diff --git a/blocks/edit_form.php b/blocks/edit_form.php
index ad32113fe0f..57c9de8d5b9 100644
--- a/blocks/edit_form.php
+++ b/blocks/edit_form.php
@@ -54,7 +54,7 @@ class block_edit_form extends moodleform {
         global $CFG;
         $this->block = $block;
         $this->page = $page;
-        parent::moodleform($actionurl);
+        parent::__construct($actionurl);
     }
 
     function definition() {
diff --git a/blocks/rss_client/editfeed.php b/blocks/rss_client/editfeed.php
index 77e3097c30e..2b6d92a8a12 100644
--- a/blocks/rss_client/editfeed.php
+++ b/blocks/rss_client/editfeed.php
@@ -36,7 +36,7 @@ class feed_edit_form extends moodleform {
     function __construct($actionurl, $isadding, $caneditshared) {
         $this->isadding = $isadding;
         $this->caneditshared = $caneditshared;
-        parent::moodleform($actionurl);
+        parent::__construct($actionurl);
     }
 
     function definition() {
diff --git a/course/moodleform_mod.php b/course/moodleform_mod.php
index 4c8c25feab7..690dda8a834 100644
--- a/course/moodleform_mod.php
+++ b/course/moodleform_mod.php
@@ -58,7 +58,7 @@ abstract class moodleform_mod extends moodleform {
     /** @var object The course format of the current course. */
     protected $courseformat;
 
-    function moodleform_mod($current, $section, $cm, $course) {
+    public function __construct($current, $section, $cm, $course) {
         global $CFG;
 
         $this->current   = $current;
@@ -83,7 +83,17 @@ abstract class moodleform_mod extends moodleform {
         }
         $this->_modname = $matches[1];
         $this->init_features();
-        parent::moodleform('modedit.php');
+        parent::__construct('modedit.php');
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function moodleform_mod($current, $section, $cm, $course) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($current, $section, $cm, $course);
     }
 
     protected function init_features() {
diff --git a/filter/local_settings_form.php b/filter/local_settings_form.php
index 1721ffa74bc..fce01a19bb2 100644
--- a/filter/local_settings_form.php
+++ b/filter/local_settings_form.php
@@ -33,7 +33,7 @@ abstract class filter_local_settings_form extends moodleform {
     public function __construct($submiturl, $filter, $context) {
         $this->filter = $filter;
         $this->context = $context;
-        parent::moodleform($submiturl);
+        parent::__construct($submiturl);
     }
 
     /**
diff --git a/grade/grading/form/guide/guideeditor.php b/grade/grading/form/guide/guideeditor.php
index 902834c5166..a6e43a1973c 100644
--- a/grade/grading/form/guide/guideeditor.php
+++ b/grade/grading/form/guide/guideeditor.php
@@ -53,8 +53,18 @@ class moodlequickform_guideeditor extends HTML_QuickForm_input {
      * @param string $elementlabel
      * @param array $attributes
      */
+    public function __construct($elementname=null, $elementlabel=null, $attributes=null) {
+        parent::__construct($elementname, $elementlabel, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
     public function moodlequickform_guideeditor($elementname=null, $elementlabel=null, $attributes=null) {
-        parent::HTML_QuickForm_input($elementname, $elementlabel, $attributes);
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementname, $elementlabel, $attributes);
     }
 
     /**
diff --git a/grade/grading/form/rubric/rubriceditor.php b/grade/grading/form/rubric/rubriceditor.php
index b3cc5bfb40e..d9901267257 100644
--- a/grade/grading/form/rubric/rubriceditor.php
+++ b/grade/grading/form/rubric/rubriceditor.php
@@ -60,8 +60,18 @@ class MoodleQuickForm_rubriceditor extends HTML_QuickForm_input {
      * @param string $elementLabel
      * @param array $attributes
      */
-    function MoodleQuickForm_rubriceditor($elementName=null, $elementLabel=null, $attributes=null) {
-        parent::HTML_QuickForm_input($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null) {
+        parent::__construct($elementName, $elementLabel, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_rubriceditor($elementName=null, $elementLabel=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes);
     }
 
     /**
diff --git a/lib/form/advcheckbox.php b/lib/form/advcheckbox.php
index 26ae788005f..ff679d44d27 100644
--- a/lib/form/advcheckbox.php
+++ b/lib/form/advcheckbox.php
@@ -55,7 +55,7 @@ class MoodleQuickForm_advcheckbox extends HTML_QuickForm_advcheckbox{
      *              or an associative array
      * @param mixed $values (optional) Values to pass if checked or not checked
      */
-    function MoodleQuickForm_advcheckbox($elementName=null, $elementLabel=null, $text=null, $attributes=null, $values=null)
+    public function __construct($elementName=null, $elementLabel=null, $text=null, $attributes=null, $values=null)
     {
         if ($values === null){
             $values = array(0, 1);
@@ -81,7 +81,17 @@ class MoodleQuickForm_advcheckbox extends HTML_QuickForm_advcheckbox{
             }
         }
 
-        parent::HTML_QuickForm_advcheckbox($elementName, $elementLabel, $text, $attributes, $values);
+        parent::__construct($elementName, $elementLabel, $text, $attributes, $values);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_advcheckbox($elementName=null, $elementLabel=null, $text=null, $attributes=null, $values=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $text, $attributes, $values);
     }
 
     /**
diff --git a/lib/form/autocomplete.php b/lib/form/autocomplete.php
index 206bc67b689..5cf63c25535 100644
--- a/lib/form/autocomplete.php
+++ b/lib/form/autocomplete.php
@@ -60,7 +60,7 @@ class MoodleQuickForm_autocomplete extends MoodleQuickForm_select {
      * @param mixed $attributes Either a typical HTML attribute string or an associative array. Special options
      *                          "tags", "placeholder", "ajax", "multiple", "casesensitive" are supported.
      */
-    function MoodleQuickForm_autocomplete($elementName=null, $elementLabel=null, $options=null, $attributes=null) {
+    public function __construct($elementName=null, $elementLabel=null, $options=null, $attributes=null) {
         // Even if the constructor gets called twice we do not really want 2x options (crazy forms!).
         $this->_options = array();
         if ($attributes === null) {
@@ -87,11 +87,21 @@ class MoodleQuickForm_autocomplete extends MoodleQuickForm_select {
             $this->casesensitive = $attributes['casesensitive'] ? true : false;
             unset($attributes['casesensitive']);
         }
-        parent::HTML_QuickForm_select($elementName, $elementLabel, $options, $attributes);
+        parent::__construct($elementName, $elementLabel, $options, $attributes);
 
         $this->_type = 'autocomplete';
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_autocomplete($elementName=null, $elementLabel=null, $options=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $options, $attributes);
+    }
+
     /**
      * Returns HTML for select form element.
      *
diff --git a/lib/form/button.php b/lib/form/button.php
index bfa9615c142..a69e2171053 100644
--- a/lib/form/button.php
+++ b/lib/form/button.php
@@ -50,8 +50,18 @@ class MoodleQuickForm_button extends HTML_QuickForm_button
      * @param mixed $attributes (optional) Either a typical HTML attribute string
      *              or an associative array
      */
-    function MoodleQuickForm_button($elementName=null, $value=null, $attributes=null) {
-        parent::HTML_QuickForm_button($elementName, $value, $attributes);
+    public function __construct($elementName=null, $value=null, $attributes=null) {
+        parent::__construct($elementName, $value, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_button($elementName=null, $value=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $value, $attributes);
     }
 
     /**
diff --git a/lib/form/cancel.php b/lib/form/cancel.php
index 6674377e911..2a5764f009b 100644
--- a/lib/form/cancel.php
+++ b/lib/form/cancel.php
@@ -52,7 +52,7 @@ class MoodleQuickForm_cancel extends MoodleQuickForm_submit
      * @param mixed $attributes (optional) Either a typical HTML attribute string
      *              or an associative array
      */
-    function MoodleQuickForm_cancel($elementName=null, $value=null, $attributes=null)
+    public function __construct($elementName=null, $value=null, $attributes=null)
     {
         if ($elementName==null){
             $elementName='cancel';
@@ -60,7 +60,7 @@ class MoodleQuickForm_cancel extends MoodleQuickForm_submit
         if ($value==null){
             $value=get_string('cancel');
         }
-        MoodleQuickForm_submit::MoodleQuickForm_submit($elementName, $value, $attributes);
+        parent::__construct($elementName, $value, $attributes);
         $this->updateAttributes(array('onclick'=>'skipClientValidation = true; return true;'));
 
         // Add the class btn-cancel.
@@ -71,6 +71,16 @@ class MoodleQuickForm_cancel extends MoodleQuickForm_submit
         $this->updateAttributes(array('class' => $class . ' btn-cancel'));
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_cancel($elementName=null, $value=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $value, $attributes);
+    }
+
     /**
      * Called by HTML_QuickForm whenever form event is made on this element
      *
@@ -83,8 +93,7 @@ class MoodleQuickForm_cancel extends MoodleQuickForm_submit
     {
         switch ($event) {
             case 'createElement':
-                $className = get_class($this);
-                $this->$className($arg[0], $arg[1], $arg[2]);
+                static::__construct($arg[0], $arg[1], $arg[2]);
                 $caller->_registerCancelButton($this->getName());
                 return true;
                 break;
diff --git a/lib/form/checkbox.php b/lib/form/checkbox.php
index 37397da5189..8aaecdde1ab 100644
--- a/lib/form/checkbox.php
+++ b/lib/form/checkbox.php
@@ -52,8 +52,18 @@ class MoodleQuickForm_checkbox extends HTML_QuickForm_checkbox{
      * @param mixed $attributes (optional) Either a typical HTML attribute string
      *              or an associative array
      */
-    function MoodleQuickForm_checkbox($elementName=null, $elementLabel=null, $text='', $attributes=null) {
-        parent::HTML_QuickForm_checkbox($elementName, $elementLabel, $text, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $text='', $attributes=null) {
+        parent::__construct($elementName, $elementLabel, $text, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_checkbox($elementName=null, $elementLabel=null, $text='', $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $text, $attributes);
     }
 
     /**
diff --git a/lib/form/dateselector.php b/lib/form/dateselector.php
index 2332e990e41..29957e3d904 100644
--- a/lib/form/dateselector.php
+++ b/lib/form/dateselector.php
@@ -75,12 +75,13 @@ class MoodleQuickForm_date_selector extends MoodleQuickForm_group {
      * @param array $options Options to control the element's display
      * @param mixed $attributes Either a typical HTML attribute string or an associative array
      */
-    function MoodleQuickForm_date_selector($elementName = null, $elementLabel = null, $options = array(), $attributes = null) {
+    public function __construct($elementName = null, $elementLabel = null, $options = array(), $attributes = null) {
         // Get the calendar type used - see MDL-18375.
         $calendartype = \core_calendar\type_factory::get_calendar_instance();
         $this->_options = array('startyear' => $calendartype->get_min_year(), 'stopyear' => $calendartype->get_max_year(),
             'defaulttime' => 0, 'timezone' => 99, 'step' => 5, 'optional' => false);
-        $this->HTML_QuickForm_element($elementName, $elementLabel, $attributes);
+        // TODO MDL-52313 Replace with the call to parent::__construct().
+        HTML_QuickForm_element::__construct($elementName, $elementLabel, $attributes);
         $this->_persistantFreeze = true;
         $this->_appendName = true;
         $this->_type = 'date_selector';
@@ -103,6 +104,16 @@ class MoodleQuickForm_date_selector extends MoodleQuickForm_group {
         }
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_date_selector($elementName = null, $elementLabel = null, $options = array(), $attributes = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $options, $attributes);
+    }
+
     /**
      * This will create date group element constisting of day, month and year.
      *
diff --git a/lib/form/datetimeselector.php b/lib/form/datetimeselector.php
index 3153f34c100..8055f026e6f 100644
--- a/lib/form/datetimeselector.php
+++ b/lib/form/datetimeselector.php
@@ -77,13 +77,14 @@ class MoodleQuickForm_date_time_selector extends MoodleQuickForm_group {
      * @param array $options Options to control the element's display
      * @param mixed $attributes Either a typical HTML attribute string or an associative array
      */
-    function MoodleQuickForm_date_time_selector($elementName = null, $elementLabel = null, $options = array(), $attributes = null) {
+    public function __construct($elementName = null, $elementLabel = null, $options = array(), $attributes = null) {
         // Get the calendar type used - see MDL-18375.
         $calendartype = \core_calendar\type_factory::get_calendar_instance();
         $this->_options = array('startyear' => $calendartype->get_min_year(), 'stopyear' => $calendartype->get_max_year(),
             'defaulttime' => 0, 'timezone' => 99, 'step' => 5, 'optional' => false);
 
-        $this->HTML_QuickForm_element($elementName, $elementLabel, $attributes);
+        // TODO MDL-52313 Replace with the call to parent::__construct().
+        HTML_QuickForm_element::__construct($elementName, $elementLabel, $attributes);
         $this->_persistantFreeze = true;
         $this->_appendName = true;
         $this->_type = 'date_time_selector';
@@ -106,6 +107,16 @@ class MoodleQuickForm_date_time_selector extends MoodleQuickForm_group {
         }
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_date_time_selector($elementName = null, $elementLabel = null, $options = array(), $attributes = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $options, $attributes);
+    }
+
     /**
      * This will create date group element constisting of day, month and year.
      *
diff --git a/lib/form/duration.php b/lib/form/duration.php
index 4298f002150..ab2d43462ac 100644
--- a/lib/form/duration.php
+++ b/lib/form/duration.php
@@ -63,8 +63,9 @@ class MoodleQuickForm_duration extends MoodleQuickForm_group {
     *              If not specified, minutes is used.
     * @param mixed $attributes Either a typical HTML attribute string or an associative array
     */
-    function MoodleQuickForm_duration($elementName = null, $elementLabel = null, $options = array(), $attributes = null) {
-        $this->HTML_QuickForm_element($elementName, $elementLabel, $attributes);
+    public function __construct($elementName = null, $elementLabel = null, $options = array(), $attributes = null) {
+        // TODO MDL-52313 Replace with the call to parent::__construct().
+        HTML_QuickForm_element::__construct($elementName, $elementLabel, $attributes);
         $this->_persistantFreeze = true;
         $this->_appendName = true;
         $this->_type = 'duration';
@@ -83,6 +84,16 @@ class MoodleQuickForm_duration extends MoodleQuickForm_group {
         }
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_duration($elementName = null, $elementLabel = null, $options = array(), $attributes = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $options, $attributes);
+    }
+
     /**
      * Returns time associative array of unit length.
      *
diff --git a/lib/form/editor.php b/lib/form/editor.php
index 0c18b2122d0..4e06505dfb2 100644
--- a/lib/form/editor.php
+++ b/lib/form/editor.php
@@ -68,7 +68,7 @@ class MoodleQuickForm_editor extends HTML_QuickForm_element {
      *              or an associative array
      * @param array $options set of options to initalize filepicker
      */
-    function MoodleQuickForm_editor($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
         global $CFG, $PAGE;
 
         $options = (array)$options;
@@ -89,7 +89,7 @@ class MoodleQuickForm_editor extends HTML_QuickForm_element {
             }
         }
         $this->_options['trusted'] = trusttext_trusted($this->_options['context']);
-        parent::HTML_QuickForm_element($elementName, $elementLabel, $attributes);
+        parent::__construct($elementName, $elementLabel, $attributes);
 
         // Note: for some reason the code using this setting does not like bools.
         $this->_options['subdirs'] = (int)($this->_options['subdirs'] == 1);
@@ -97,6 +97,16 @@ class MoodleQuickForm_editor extends HTML_QuickForm_element {
         editors_head_setup();
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_editor($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes, $options);
+    }
+
     /**
      * Called by HTML_QuickForm whenever form event is made on this element
      *
diff --git a/lib/form/filemanager.php b/lib/form/filemanager.php
index 8140fec153d..d5252531297 100644
--- a/lib/form/filemanager.php
+++ b/lib/form/filemanager.php
@@ -60,7 +60,7 @@ class MoodleQuickForm_filemanager extends HTML_QuickForm_element {
      *              or an associative array
      * @param array $options set of options to initalize filemanager
      */
-    function MoodleQuickForm_filemanager($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
         global $CFG, $PAGE;
 
         $options = (array)$options;
@@ -76,7 +76,17 @@ class MoodleQuickForm_filemanager extends HTML_QuickForm_element {
             $this->_options['return_types'] = (FILE_INTERNAL | FILE_REFERENCE);
         }
         $this->_type = 'filemanager';
-        parent::HTML_QuickForm_element($elementName, $elementLabel, $attributes);
+        parent::__construct($elementName, $elementLabel, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_filemanager($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes, $options);
     }
 
     /**
diff --git a/lib/form/filepicker.php b/lib/form/filepicker.php
index da5aff8a3e1..16340963f20 100644
--- a/lib/form/filepicker.php
+++ b/lib/form/filepicker.php
@@ -59,7 +59,7 @@ class MoodleQuickForm_filepicker extends HTML_QuickForm_input {
      *              or an associative array
      * @param array $options set of options to initalize filepicker
      */
-    function MoodleQuickForm_filepicker($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
         global $CFG, $PAGE;
 
         $options = (array)$options;
@@ -81,7 +81,17 @@ class MoodleQuickForm_filepicker extends HTML_QuickForm_input {
         }
         $this->_options['maxbytes'] = get_user_max_upload_file_size($PAGE->context, $CFG->maxbytes, $coursemaxbytes, $fpmaxbytes);
         $this->_type = 'filepicker';
-        parent::HTML_QuickForm_input($elementName, $elementLabel, $attributes);
+        parent::__construct($elementName, $elementLabel, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_filepicker($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes, $options);
     }
 
     /**
diff --git a/lib/form/grading.php b/lib/form/grading.php
index 18191dd6d40..c47de8a0ed3 100644
--- a/lib/form/grading.php
+++ b/lib/form/grading.php
@@ -61,11 +61,21 @@ class MoodleQuickForm_grading extends HTML_QuickForm_input{
      * @param mixed $elementLabel Label(s) for the input field
      * @param mixed $attributes Either a typical HTML attribute string or an associative array
      */
-    public function MoodleQuickForm_grading($elementName=null, $elementLabel=null, $attributes=null) {
-        parent::HTML_QuickForm_input($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null) {
+        parent::__construct($elementName, $elementLabel, $attributes);
         $this->gradingattributes = $attributes;
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_grading($elementName=null, $elementLabel=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes);
+    }
+
     /**
      * Helper function to retrieve gradingform_instance passed in element attributes
      *
diff --git a/lib/form/group.php b/lib/form/group.php
index 3d95d9f53db..753977f1087 100644
--- a/lib/form/group.php
+++ b/lib/form/group.php
@@ -50,8 +50,18 @@ class MoodleQuickForm_group extends HTML_QuickForm_group{
      * @param string $separator (optional) string to seperate elements.
      * @param string $appendName (optional) string to appened to grouped elements.
      */
-    function MoodleQuickForm_group($elementName=null, $elementLabel=null, $elements=null, $separator=null, $appendName = true) {
-        parent::HTML_QuickForm_group($elementName, $elementLabel, $elements, $separator, $appendName);
+    public function __construct($elementName=null, $elementLabel=null, $elements=null, $separator=null, $appendName = true) {
+        parent::__construct($elementName, $elementLabel, $elements, $separator, $appendName);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_group($elementName=null, $elementLabel=null, $elements=null, $separator=null, $appendName = true) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $elements, $separator, $appendName);
     }
 
     /** @var string template type, would cause problems with client side validation so will leave for now */
diff --git a/lib/form/header.php b/lib/form/header.php
index 36c5a08e6f3..f5f1ed57722 100644
--- a/lib/form/header.php
+++ b/lib/form/header.php
@@ -48,8 +48,18 @@ class MoodleQuickForm_header extends HTML_QuickForm_header
      * @param string $elementName name of the header element
      * @param string $text text displayed in header element
      */
-    function MoodleQuickForm_header($elementName = null, $text = null) {
-        parent::HTML_QuickForm_header($elementName, $text);
+    public function __construct($elementName = null, $text = null) {
+        parent::__construct($elementName, $text);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_header($elementName = null, $text = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $text);
     }
 
    /**
diff --git a/lib/form/hidden.php b/lib/form/hidden.php
index 6c2f239264b..d21c029a510 100644
--- a/lib/form/hidden.php
+++ b/lib/form/hidden.php
@@ -49,8 +49,18 @@ class MoodleQuickForm_hidden extends HTML_QuickForm_hidden{
      * @param mixed  $attributes (optional) Either a typical HTML attribute string
      *               or an associative array
      */
-    function MoodleQuickForm_hidden($elementName=null, $value='', $attributes=null) {
-        parent::HTML_QuickForm_hidden($elementName, $value, $attributes);
+    public function __construct($elementName=null, $value='', $attributes=null) {
+        parent::__construct($elementName, $value, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_hidden($elementName=null, $value='', $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        return self::__construct($elementName, $value, $attributes);
     }
 
     /**
diff --git a/lib/form/htmleditor.php b/lib/form/htmleditor.php
index adddc3fcf3e..32353d67376 100644
--- a/lib/form/htmleditor.php
+++ b/lib/form/htmleditor.php
@@ -54,8 +54,8 @@ class MoodleQuickForm_htmleditor extends MoodleQuickForm_textarea{
      * @param array $attributes (optional) Either a typical HTML attribute string
      *              or an associative array
      */
-    function MoodleQuickForm_htmleditor($elementName=null, $elementLabel=null, $options=array(), $attributes=null){
-        parent::MoodleQuickForm_textarea($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $options=array(), $attributes=null){
+        parent::__construct($elementName, $elementLabel, $attributes);
         // set the options, do not bother setting bogus ones
         if (is_array($options)) {
             foreach ($options as $name => $value) {
@@ -73,6 +73,16 @@ class MoodleQuickForm_htmleditor extends MoodleQuickForm_textarea{
         editors_head_setup();
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_htmleditor($elementName=null, $elementLabel=null, $options=array(), $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $options, $attributes);
+    }
+
     /**
      * Returns the input field in HTML
      *
diff --git a/lib/form/listing.php b/lib/form/listing.php
index 102b4925715..cd9477cb33a 100644
--- a/lib/form/listing.php
+++ b/lib/form/listing.php
@@ -73,7 +73,7 @@ class MoodleQuickForm_listing extends HTML_QuickForm_input {
      * @param array $attributes (optional) Either a typical HTML attribute string or an associative array.
      * @param array $options set of options to initalize listing.
      */
-    function MoodleQuickForm_listing($elementName=null, $elementLabel=null, $attributes=null, $options=array()) {
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null, $options=array()) {
 
        $this->_type = 'listing';
         if (!empty($options['items'])) {
@@ -89,7 +89,17 @@ class MoodleQuickForm_listing extends HTML_QuickForm_input {
         } else {
             $this->hideall = get_string('hide');
         }
-        parent::HTML_QuickForm_input($elementName, $elementLabel, $attributes);
+        parent::__construct($elementName, $elementLabel, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_listing($elementName=null, $elementLabel=null, $attributes=null, $options=array()) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes, $options);
     }
 
     /**
diff --git a/lib/form/modgrade.php b/lib/form/modgrade.php
index d76122b7039..dd8ccce6fe1 100644
--- a/lib/form/modgrade.php
+++ b/lib/form/modgrade.php
@@ -53,13 +53,24 @@ class MoodleQuickForm_modgrade extends MoodleQuickForm_group{
      * @param array $options Options to control the element's display. Not used.
      * @param mixed $attributes Either a typical HTML attribute string or an associative array
      */
-    public function MoodleQuickForm_modgrade($elementname = null, $elementlabel = null, $options = array(), $attributes = null) {
-        $this->HTML_QuickForm_element($elementname, $elementlabel, $attributes);
+    public function __construct($elementname = null, $elementlabel = null, $options = array(), $attributes = null) {
+        // TODO MDL-52313 Replace with the call to parent::__construct().
+        HTML_QuickForm_element::__construct($elementname, $elementlabel, $attributes);
         $this->_persistantFreeze = true;
         $this->_appendName = true;
         $this->_type = 'modgrade';
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_modgrade($elementname = null, $elementlabel = null, $options = array(), $attributes = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementname, $elementlabel, $options, $attributes);
+    }
+
     /**
      * Create elements for this group.
      */
diff --git a/lib/form/modvisible.php b/lib/form/modvisible.php
index 2a6acd9437f..ddc4a6fba94 100644
--- a/lib/form/modvisible.php
+++ b/lib/form/modvisible.php
@@ -48,12 +48,20 @@ class MoodleQuickForm_modvisible extends MoodleQuickForm_select{
      * @param mixed $attributes Either a typical HTML attribute string or an associative array
      * @param array $options ignored
      */
-    function MoodleQuickForm_modvisible($elementName=null, $elementLabel=null, $attributes=null, $options=null)
-    {
-        HTML_QuickForm_element::HTML_QuickForm_element($elementName, $elementLabel, $attributes, null);
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
+        // TODO MDL-52313 Replace with the call to parent::__construct().
+        HTML_QuickForm_element::__construct($elementName, $elementLabel, $attributes, null);
         $this->_type = 'modvisible';
+    }
 
-
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_modvisible($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes, $options);
     }
 
     /**
diff --git a/lib/form/password.php b/lib/form/password.php
index 4265ec6fa1b..82153bca919 100644
--- a/lib/form/password.php
+++ b/lib/form/password.php
@@ -49,7 +49,7 @@ class MoodleQuickForm_password extends HTML_QuickForm_password{
      * @param mixed $attributes (optional) Either a typical HTML attribute string
      *              or an associative array
      */
-    function MoodleQuickForm_password($elementName=null, $elementLabel=null, $attributes=null) {
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null) {
         global $CFG;
         // no standard mform in moodle should allow autocomplete of passwords
         if (empty($attributes)) {
@@ -62,7 +62,17 @@ class MoodleQuickForm_password extends HTML_QuickForm_password{
             }
         }
 
-        parent::HTML_QuickForm_password($elementName, $elementLabel, $attributes);
+        parent::__construct($elementName, $elementLabel, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_password($elementName=null, $elementLabel=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes);
     }
 
     /**
diff --git a/lib/form/passwordunmask.php b/lib/form/passwordunmask.php
index 15bd4bc35d2..b8d4102ea81 100644
--- a/lib/form/passwordunmask.php
+++ b/lib/form/passwordunmask.php
@@ -51,7 +51,7 @@ class MoodleQuickForm_passwordunmask extends MoodleQuickForm_password {
      * @param mixed $attributes (optional) Either a typical HTML attribute string
      *              or an associative array
      */
-    function MoodleQuickForm_passwordunmask($elementName=null, $elementLabel=null, $attributes=null) {
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null) {
         global $CFG;
         // no standard mform in moodle should allow autocomplete of passwords
         if (empty($attributes)) {
@@ -64,7 +64,17 @@ class MoodleQuickForm_passwordunmask extends MoodleQuickForm_password {
             }
         }
 
-        parent::MoodleQuickForm_password($elementName, $elementLabel, $attributes);
+        parent::__construct($elementName, $elementLabel, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_passwordunmask($elementName=null, $elementLabel=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes);
     }
 
     /**
diff --git a/lib/form/questioncategory.php b/lib/form/questioncategory.php
index 4f7d9998ffd..8ebe1d0fd7f 100644
--- a/lib/form/questioncategory.php
+++ b/lib/form/questioncategory.php
@@ -53,8 +53,8 @@ class MoodleQuickForm_questioncategory extends MoodleQuickForm_selectgroups {
      *              from moodlelib.php.
      * @param mixed $attributes Either a typical HTML attribute string or an associative array
      */
-    function MoodleQuickForm_questioncategory($elementName = null, $elementLabel = null, $options = null, $attributes = null) {
-        MoodleQuickForm_selectgroups::MoodleQuickForm_selectgroups($elementName, $elementLabel, array(), $attributes);
+    public function __construct($elementName = null, $elementLabel = null, $options = null, $attributes = null) {
+        parent::__construct($elementName, $elementLabel, array(), $attributes);
         $this->_type = 'questioncategory';
         if (is_array($options)) {
             $this->_options = $options + $this->_options;
@@ -64,4 +64,13 @@ class MoodleQuickForm_questioncategory extends MoodleQuickForm_selectgroups {
         }
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_questioncategory($elementName = null, $elementLabel = null, $options = null, $attributes = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $options, $attributes);
+    }
 }
diff --git a/lib/form/radio.php b/lib/form/radio.php
index 6aaa7809a0b..3f6a731872d 100644
--- a/lib/form/radio.php
+++ b/lib/form/radio.php
@@ -51,8 +51,18 @@ class MoodleQuickForm_radio extends HTML_QuickForm_radio{
      * @param mixed $attributes (optional) Either a typical HTML attribute string
      *              or an associative array
      */
-    function MoodleQuickForm_radio($elementName=null, $elementLabel=null, $text=null, $value=null, $attributes=null) {
-        parent::HTML_QuickForm_radio($elementName, $elementLabel, $text, $value, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $text=null, $value=null, $attributes=null) {
+        parent::__construct($elementName, $elementLabel, $text, $value, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_radio($elementName=null, $elementLabel=null, $text=null, $value=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $text, $value, $attributes);
     }
 
     /**
diff --git a/lib/form/recaptcha.php b/lib/form/recaptcha.php
index 20800885627..f043353c3b2 100644
--- a/lib/form/recaptcha.php
+++ b/lib/form/recaptcha.php
@@ -53,9 +53,9 @@ class MoodleQuickForm_recaptcha extends HTML_QuickForm_input {
      * @param mixed $attributes (optional) Either a typical HTML attribute string
      *              or an associative array
      */
-    function MoodleQuickForm_recaptcha($elementName = null, $elementLabel = null, $attributes = null) {
+    public function __construct($elementName = null, $elementLabel = null, $attributes = null) {
         global $CFG;
-        parent::HTML_QuickForm_input($elementName, $elementLabel, $attributes);
+        parent::__construct($elementName, $elementLabel, $attributes);
         $this->_type = 'recaptcha';
         if (is_https()) {
             $this->_https = true;
@@ -64,6 +64,16 @@ class MoodleQuickForm_recaptcha extends HTML_QuickForm_input {
         }
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_recaptcha($elementName = null, $elementLabel = null, $attributes = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes);
+    }
+
     /**
      * Returns the recaptcha element in HTML
      *
diff --git a/lib/form/searchableselector.php b/lib/form/searchableselector.php
index 681549bd72f..458a23c2d83 100644
--- a/lib/form/searchableselector.php
+++ b/lib/form/searchableselector.php
@@ -49,12 +49,22 @@ class MoodleQuickForm_searchableselector extends MoodleQuickForm_select{
      * @param array $options additional options.
      * @param mixed $attributes Either a typical HTML attribute string or an associative array
      */
-    function MoodleQuickForm_searchableselector($elementName=null, $elementLabel=null, $options=null, $attributes=null) {
+    public function __construct($elementName=null, $elementLabel=null, $options=null, $attributes=null) {
         //set size default to 12
         if (empty($attributes) || empty($attributes['size'])) {
             $attributes['size'] = 12;
         }
-        parent::MoodleQuickForm_select($elementName, $elementLabel, $options, $attributes);
+        parent::__construct($elementName, $elementLabel, $options, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_searchableselector($elementName=null, $elementLabel=null, $options=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $options, $attributes);
     }
 
     /**
diff --git a/lib/form/select.php b/lib/form/select.php
index 8b0beba3920..aa888cb5627 100644
--- a/lib/form/select.php
+++ b/lib/form/select.php
@@ -52,8 +52,18 @@ class MoodleQuickForm_select extends HTML_QuickForm_select{
      * @param mixed $options Data to be used to populate options
      * @param mixed $attributes Either a typical HTML attribute string or an associative array
      */
-    function MoodleQuickForm_select($elementName=null, $elementLabel=null, $options=null, $attributes=null) {
-        parent::HTML_QuickForm_select($elementName, $elementLabel, $options, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $options=null, $attributes=null) {
+        parent::__construct($elementName, $elementLabel, $options, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_select($elementName=null, $elementLabel=null, $options=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $options, $attributes);
     }
 
     /**
diff --git a/lib/form/selectgroups.php b/lib/form/selectgroups.php
index 2d5dd635d31..c942acbdf5e 100644
--- a/lib/form/selectgroups.php
+++ b/lib/form/selectgroups.php
@@ -63,10 +63,10 @@ class MoodleQuickForm_selectgroups extends HTML_QuickForm_element {
      * @param mixed $attributes Either a typical HTML attribute string or an associative array
      * @param bool $showchoose add standard moodle "Choose..." option as first item
      */
-    function MoodleQuickForm_selectgroups($elementName=null, $elementLabel=null, $optgrps=null, $attributes=null, $showchoose=false)
+    public function __construct($elementName=null, $elementLabel=null, $optgrps=null, $attributes=null, $showchoose=false)
     {
         $this->showchoose = $showchoose;
-        HTML_QuickForm_element::HTML_QuickForm_element($elementName, $elementLabel, $attributes);
+        parent::__construct($elementName, $elementLabel, $attributes);
         $this->_persistantFreeze = true;
         $this->_type = 'selectgroups';
         if (isset($optgrps)) {
@@ -74,6 +74,16 @@ class MoodleQuickForm_selectgroups extends HTML_QuickForm_element {
         }
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_selectgroups($elementName=null, $elementLabel=null, $optgrps=null, $attributes=null, $showchoose=false) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $optgrps, $attributes, $showchoose);
+    }
+
     /**
      * Sets the default values of the select box
      *
diff --git a/lib/form/selectwithlink.php b/lib/form/selectwithlink.php
index 4377b316464..78832d9376b 100644
--- a/lib/form/selectwithlink.php
+++ b/lib/form/selectwithlink.php
@@ -62,8 +62,7 @@ class MoodleQuickForm_selectwithlink extends HTML_QuickForm_select{
      * @param mixed $attributes Either a typical HTML attribute string or an associative array
      * @param bool $linkdata data to be posted
      */
-    function MoodleQuickForm_selectwithlink($elementName=null, $elementLabel=null, $options=null, $attributes=null, $linkdata=null)
-    {
+    public function __construct($elementName=null, $elementLabel=null, $options=null, $attributes=null, $linkdata=null) {
         if (!empty($linkdata['link']) && !empty($linkdata['label'])) {
             $this->_link = $linkdata['link'];
             $this->_linklabel = $linkdata['label'];
@@ -73,7 +72,17 @@ class MoodleQuickForm_selectwithlink extends HTML_QuickForm_select{
             $this->_linkreturn = $linkdata['return'];
         }
 
-        parent::HTML_QuickForm_select($elementName, $elementLabel, $options, $attributes);
+        parent::__construct($elementName, $elementLabel, $options, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_selectwithlink($elementName=null, $elementLabel=null, $options=null, $attributes=null, $linkdata=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $options, $attributes, $linkdata);
     }
 
     /**
diff --git a/lib/form/selectyesno.php b/lib/form/selectyesno.php
index d88a276c08c..7764fbb94e8 100644
--- a/lib/form/selectyesno.php
+++ b/lib/form/selectyesno.php
@@ -47,13 +47,23 @@ class MoodleQuickForm_selectyesno extends MoodleQuickForm_select{
      * @param mixed $attributes Either a typical HTML attribute string or an associative array
      * @param mixed $options ignored, not used.
      */
-    function MoodleQuickForm_selectyesno($elementName=null, $elementLabel=null, $attributes=null, $options=null)
-    {
-        HTML_QuickForm_element::HTML_QuickForm_element($elementName, $elementLabel, $attributes, null);
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
+        // TODO MDL-52313 Replace with the call to parent::__construct().
+        HTML_QuickForm_element::__construct($elementName, $elementLabel, $attributes, null);
         $this->_type = 'selectyesno';
         $this->_persistantFreeze = true;
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_selectyesno($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes, $options);
+    }
+
     /**
      * Called by HTML_QuickForm whenever form event is made on this element
      *
diff --git a/lib/form/static.php b/lib/form/static.php
index 716b0268849..391be8e0cc7 100644
--- a/lib/form/static.php
+++ b/lib/form/static.php
@@ -51,8 +51,18 @@ class MoodleQuickForm_static extends HTML_QuickForm_static{
      * @param string $elementLabel (optional) text field label
      * @param string $text (optional) Text to put in text field
      */
-    function MoodleQuickForm_static($elementName=null, $elementLabel=null, $text=null) {
-        parent::HTML_QuickForm_static($elementName, $elementLabel, $text);
+    public function __construct($elementName=null, $elementLabel=null, $text=null) {
+        parent::__construct($elementName, $elementLabel, $text);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_static($elementName=null, $elementLabel=null, $text=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $text);
     }
 
     /**
diff --git a/lib/form/submit.php b/lib/form/submit.php
index af94e4f6872..c0e2d963803 100644
--- a/lib/form/submit.php
+++ b/lib/form/submit.php
@@ -45,8 +45,18 @@ class MoodleQuickForm_submit extends HTML_QuickForm_submit {
      * @param string $value (optional) field label
      * @param string $attributes (optional) Either a typical HTML attribute string or an associative array
      */
-    function MoodleQuickForm_submit($elementName=null, $value=null, $attributes=null) {
-        parent::HTML_QuickForm_submit($elementName, $value, $attributes);
+    public function __construct($elementName=null, $value=null, $attributes=null) {
+        parent::__construct($elementName, $value, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_submit($elementName=null, $value=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $value, $attributes);
     }
 
     /**
diff --git a/lib/form/submitlink.php b/lib/form/submitlink.php
index 9b7b5e0aa5e..bf238a51e31 100644
--- a/lib/form/submitlink.php
+++ b/lib/form/submitlink.php
@@ -51,8 +51,18 @@ class MoodleQuickForm_submitlink extends MoodleQuickForm_submit {
      * @param string $value (optional) field label
      * @param string $attributes (optional) Either a typical HTML attribute string or an associative array
      */
-    function MoodleQuickForm_submitlink($elementName=null, $value=null, $attributes=null) {
-        parent::MoodleQuickForm_submit($elementName, $value, $attributes);
+    public function __construct($elementName=null, $value=null, $attributes=null) {
+        parent::__construct($elementName, $value, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_submitlink($elementName=null, $value=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $value, $attributes);
     }
 
     /**
diff --git a/lib/form/tags.php b/lib/form/tags.php
index 961a2629921..a4727672634 100644
--- a/lib/form/tags.php
+++ b/lib/form/tags.php
@@ -71,7 +71,7 @@ class MoodleQuickForm_tags extends MoodleQuickForm_autocomplete {
      * @param array $options Options to control the element's display
      * @param mixed $attributes Either a typical HTML attribute string or an associative array.
      */
-    function MoodleQuickForm_tags($elementName = null, $elementLabel = null, $options = array(), $attributes = null) {
+    public function __construct($elementName = null, $elementLabel = null, $options = array(), $attributes = null) {
         if (!isset($options['display'])) {
             $options['display'] = self::DEFAULTUI;
         }
@@ -92,7 +92,17 @@ class MoodleQuickForm_tags extends MoodleQuickForm_autocomplete {
         $attributes['placeholder'] = get_string('entertags', 'tag');
         $attributes['showsuggestions'] = $this->showingofficial;
 
-        parent::MoodleQuickForm_autocomplete($elementName, $elementLabel, $validoptions, $attributes);
+        parent::__construct($elementName, $elementLabel, $validoptions, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_tags($elementName = null, $elementLabel = null, $options = array(), $attributes = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $options, $attributes);
     }
 
     /**
diff --git a/lib/form/text.php b/lib/form/text.php
index 97a0219eb71..a1af03b747e 100644
--- a/lib/form/text.php
+++ b/lib/form/text.php
@@ -51,8 +51,18 @@ class MoodleQuickForm_text extends HTML_QuickForm_text{
      * @param string $elementLabel (optional) text field label
      * @param string $attributes (optional) Either a typical HTML attribute string or an associative array
      */
-    function MoodleQuickForm_text($elementName=null, $elementLabel=null, $attributes=null) {
-        parent::HTML_QuickForm_text($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null) {
+        parent::__construct($elementName, $elementLabel, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_text($elementName=null, $elementLabel=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes);
     }
 
     /**
diff --git a/lib/form/textarea.php b/lib/form/textarea.php
index f03b610726e..273fff5cb01 100644
--- a/lib/form/textarea.php
+++ b/lib/form/textarea.php
@@ -54,8 +54,18 @@ class MoodleQuickForm_textarea extends HTML_QuickForm_textarea{
      * @param string $elementLabel (optional) text field label
      * @param string $attributes (optional) Either a typical HTML attribute string or an associative array
      */
-    function MoodleQuickForm_textarea($elementName=null, $elementLabel=null, $attributes=null) {
-        parent::HTML_QuickForm_textarea($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null) {
+        parent::__construct($elementName, $elementLabel, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_textarea($elementName=null, $elementLabel=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes);
     }
 
     /**
diff --git a/lib/form/url.php b/lib/form/url.php
index 2e624633281..4a22571136c 100644
--- a/lib/form/url.php
+++ b/lib/form/url.php
@@ -51,7 +51,7 @@ class MoodleQuickForm_url extends HTML_QuickForm_text{
      * @param mixed $attributes Either a typical HTML attribute string or an associative array.
      * @param array $options data which need to be posted.
      */
-    function MoodleQuickForm_url($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
         global $CFG;
         require_once("$CFG->dirroot/repository/lib.php");
         $options = (array)$options;
@@ -61,7 +61,17 @@ class MoodleQuickForm_url extends HTML_QuickForm_text{
         if (!isset($this->_options['usefilepicker'])) {
             $this->_options['usefilepicker'] = true;
         }
-        parent::HTML_QuickForm_text($elementName, $elementLabel, $attributes);
+        parent::__construct($elementName, $elementLabel, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_url($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes, $options);
     }
 
     /**
diff --git a/lib/form/warning.php b/lib/form/warning.php
index 90865ea1cc2..38c21a3d18e 100644
--- a/lib/form/warning.php
+++ b/lib/form/warning.php
@@ -53,8 +53,8 @@ class MoodleQuickForm_warning extends HTML_QuickForm_static{
      * @param string $elementClass (optional) show as warning or notification => 'notifyproblem'
      * @param string $text (optional) Text to put in warning field
      */
-    function MoodleQuickForm_warning($elementName=null, $elementClass='notifyproblem', $text=null) {
-        parent::HTML_QuickForm_static($elementName, null, $text);
+    public function __construct($elementName=null, $elementClass='notifyproblem', $text=null) {
+        parent::__construct($elementName, null, $text);
         $this->_type = 'warning';
         if (is_null($elementClass)) {
             $elementClass = 'notifyproblem';
@@ -62,6 +62,16 @@ class MoodleQuickForm_warning extends HTML_QuickForm_static{
         $this->_class = $elementClass;
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_warning($elementName=null, $elementClass='notifyproblem', $text=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementClass, $text);
+    }
+
     /**
      * Returns HTML for this form element.
      *
diff --git a/lib/formslib.php b/lib/formslib.php
index e65979c7696..6192514b917 100644
--- a/lib/formslib.php
+++ b/lib/formslib.php
@@ -157,7 +157,7 @@ abstract class moodleform {
      * @param mixed $attributes you can pass a string of html attributes here or an array.
      * @param bool $editable
      */
-    function moodleform($action=null, $customdata=null, $method='post', $target='', $attributes=null, $editable=true) {
+    public function __construct($action=null, $customdata=null, $method='post', $target='', $attributes=null, $editable=true) {
         global $CFG, $FULLME;
         // no standard mform in moodle should allow autocomplete with the exception of user signup
         if (empty($attributes)) {
@@ -207,6 +207,16 @@ abstract class moodleform {
         $this->_process_submission($method);
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function moodleform($action=null, $customdata=null, $method='post', $target='', $attributes=null, $editable=true) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($action, $customdata, $method, $target, $attributes, $editable);
+    }
+
     /**
      * It should returns unique identifier for the form.
      * Currently it will return class name, but in case two same forms have to be
@@ -1426,12 +1436,13 @@ class MoodleQuickForm extends HTML_QuickForm_DHTMLRulesTableless {
      * @param string $target (optional)Form's target defaults to none
      * @param mixed $attributes (optional)Extra attributes for <form> tag
      */
-    function MoodleQuickForm($formName, $method, $action, $target='', $attributes=null){
+    public function __construct($formName, $method, $action, $target='', $attributes=null) {
         global $CFG, $OUTPUT;
 
         static $formcounter = 1;
 
-        HTML_Common::HTML_Common($attributes);
+        // TODO MDL-52313 Replace with the call to parent::__construct().
+        HTML_Common::__construct($attributes);
         $target = empty($target) ? array() : array('target' => $target);
         $this->_formName = $formName;
         if (is_a($action, 'moodle_url')){
@@ -1460,6 +1471,16 @@ class MoodleQuickForm extends HTML_QuickForm_DHTMLRulesTableless {
         $this->setRequiredNote(get_string('somefieldsrequired', 'form', '<img alt="'.get_string('requiredelement', 'form').'" src="'.$OUTPUT->pix_url('req') .'" />'));
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm($formName, $method, $action, $target='', $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($formName, $method, $action, $target, $attributes);
+    }
+
     /**
      * Use this method to indicate an element in a form is an advanced field. If items in a form
      * are marked as advanced then 'Hide/Show Advanced' buttons will automatically be displayed in the
@@ -2594,7 +2615,7 @@ class MoodleQuickForm_Renderer extends HTML_QuickForm_Renderer_Tableless{
     /**
      * Constructor
      */
-    function MoodleQuickForm_Renderer(){
+    public function __construct() {
         // switch next two lines for ol li containers for form items.
         //        $this->_elementTemplates=array('default'=>"\n\t\t".'<li class="fitem"><label>{label}{help}<!-- BEGIN required -->{req}<!-- END required --></label><div class="qfelement<!-- BEGIN error --> error<!-- END error --> {type}"><!-- BEGIN error --><span class="error">{error}</span><br /><!-- END error -->{element}</div></li>');
         $this->_elementTemplates = array(
@@ -2610,7 +2631,17 @@ class MoodleQuickForm_Renderer extends HTML_QuickForm_Renderer_Tableless{
 
         'nodisplay'=>'');
 
-        parent::HTML_QuickForm_Renderer_Tableless();
+        parent::__construct();
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_Renderer() {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct();
     }
 
     /**
diff --git a/lib/pear/HTML/Common.php b/lib/pear/HTML/Common.php
index 2c510109d0c..b86217910a5 100644
--- a/lib/pear/HTML/Common.php
+++ b/lib/pear/HTML/Common.php
@@ -83,12 +83,22 @@ class HTML_Common {
      * @param    int     $tabOffset      Indent offset in tabs
      * @access   public
      */
-    function HTML_Common($attributes = null, $tabOffset = 0)
+    public function __construct($attributes = null, $tabOffset = 0)
     {
         $this->setAttributes($attributes);
         $this->setTabOffset($tabOffset);
     } // end constructor
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_Common($attributes = null, $tabOffset = 0) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($attributes, $tabOffset);
+    }
+
     public static function raiseError($message = null,
                                        $code = null,
                                        $mode = null,
diff --git a/lib/pear/HTML/QuickForm.php b/lib/pear/HTML/QuickForm.php
index 6da6ff4b1ad..bf8062ef4c7 100644
--- a/lib/pear/HTML/QuickForm.php
+++ b/lib/pear/HTML/QuickForm.php
@@ -253,9 +253,9 @@ class HTML_QuickForm extends HTML_Common {
      * @param    bool        $trackSubmit       (optional)Whether to track if the form was submitted by adding a special hidden field
      * @access   public
      */
-    function HTML_QuickForm($formName='', $method='post', $action='', $target='', $attributes=null, $trackSubmit = false)
+    public function __construct($formName='', $method='post', $action='', $target='', $attributes=null, $trackSubmit = false)
     {
-        HTML_Common::HTML_Common($attributes);
+        parent::__construct($attributes);
         $method = (strtoupper($method) == 'GET') ? 'get' : 'post';
         $action = ($action == '') ? $_SERVER['PHP_SELF'] : $action;
         $target = empty($target) ? array() : array('target' => $target);
@@ -301,6 +301,16 @@ class HTML_QuickForm extends HTML_Common {
         }
     } // end constructor
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm($formName='', $method='post', $action='', $target='', $attributes=null, $trackSubmit = false) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($formName, $method, $action, $target, $attributes, $trackSubmit);
+    }
+
     // }}}
     // {{{ apiVersion()
 
@@ -1983,16 +1993,27 @@ class HTML_QuickForm_Error extends PEAR_Error {
     * @param int   $level intensity of the error (PHP error code)
     * @param mixed $debuginfo any information that can inform user as to nature of the error
     */
-    function HTML_QuickForm_Error($code = QUICKFORM_ERROR, $mode = PEAR_ERROR_RETURN,
+    public function __construct($code = QUICKFORM_ERROR, $mode = PEAR_ERROR_RETURN,
                          $level = E_USER_NOTICE, $debuginfo = null)
     {
         if (is_int($code)) {
-            $this->PEAR_Error(HTML_QuickForm::errorMessage($code), $code, $mode, $level, $debuginfo);
+            parent::__construct(HTML_QuickForm::errorMessage($code), $code, $mode, $level, $debuginfo);
         } else {
-            $this->PEAR_Error("Invalid error code: $code", QUICKFORM_ERROR, $mode, $level, $debuginfo);
+            parent::__construct("Invalid error code: $code", QUICKFORM_ERROR, $mode, $level, $debuginfo);
         }
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_Error($code = QUICKFORM_ERROR, $mode = PEAR_ERROR_RETURN,
+                         $level = E_USER_NOTICE, $debuginfo = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($code, $mode, $level, $debuginfo);
+    }
+
     // }}}
 } // end class HTML_QuickForm_Error
 ?>
diff --git a/lib/pear/HTML/QuickForm/Renderer.php b/lib/pear/HTML/QuickForm/Renderer.php
index 7162c641bb9..324fbf78c1e 100644
--- a/lib/pear/HTML/QuickForm/Renderer.php
+++ b/lib/pear/HTML/QuickForm/Renderer.php
@@ -33,10 +33,19 @@ class HTML_QuickForm_Renderer
     *
     * @access public
     */
-    function HTML_QuickForm_Renderer()
-    {
+    public function __construct() {
     } // end constructor
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_Renderer() {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct();
+    }
+
    /**
     * Called when visiting a form, before processing any form elements
     *
diff --git a/lib/pear/HTML/QuickForm/Renderer/Array.php b/lib/pear/HTML/QuickForm/Renderer/Array.php
index ee0c4ced7cf..a91d90b7eed 100644
--- a/lib/pear/HTML/QuickForm/Renderer/Array.php
+++ b/lib/pear/HTML/QuickForm/Renderer/Array.php
@@ -147,13 +147,21 @@ class HTML_QuickForm_Renderer_Array extends HTML_QuickForm_Renderer
     * @param  bool    true: render an array of labels to many labels, $key 0 to 'label' and the oterh to "label_$key"
     * @access public
     */
-    function HTML_QuickForm_Renderer_Array($collectHidden = false, $staticLabels = false)
-    {
-        $this->HTML_QuickForm_Renderer();
+    public function __construct($collectHidden = false, $staticLabels = false) {
+        parent::__construct();
         $this->_collectHidden = $collectHidden;
         $this->_staticLabels  = $staticLabels;
     } // end constructor
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_Renderer_Array($collectHidden = false, $staticLabels = false) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($collectHidden, $staticLabels);
+    }
 
    /**
     * Returns the resultant array
diff --git a/lib/pear/HTML/QuickForm/Renderer/Default.php b/lib/pear/HTML/QuickForm/Renderer/Default.php
index 5eeee14a141..7c54c130bf3 100644
--- a/lib/pear/HTML/QuickForm/Renderer/Default.php
+++ b/lib/pear/HTML/QuickForm/Renderer/Default.php
@@ -141,9 +141,18 @@ class HTML_QuickForm_Renderer_Default extends HTML_QuickForm_Renderer
     *
     * @access public
     */
-    function HTML_QuickForm_Renderer_Default()
-    {
-        $this->HTML_QuickForm_Renderer();
+    public function __construct() {
+        parent::__construct();
+    } // end constructor
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_Renderer_Default() {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct();
     } // end constructor
 
    /**
diff --git a/lib/pear/HTML/QuickForm/Renderer/Object.php b/lib/pear/HTML/QuickForm/Renderer/Object.php
index 9ed495c7c64..9928a0b3d58 100644
--- a/lib/pear/HTML/QuickForm/Renderer/Object.php
+++ b/lib/pear/HTML/QuickForm/Renderer/Object.php
@@ -78,13 +78,22 @@ class HTML_QuickForm_Renderer_Object extends HTML_QuickForm_Renderer
      * @param collecthidden bool    true: collect all hidden elements
      * @access public
      */
-    function HTML_QuickForm_Renderer_Object($collecthidden = false) 
-    {
-        $this->HTML_QuickForm_Renderer();
+    public function __construct($collecthidden = false) {
+        parent::__construct();
         $this->_collectHidden = $collecthidden;
         $this->_obj = new QuickformForm;
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_Renderer_Object($collecthidden = false) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($collecthidden);
+    }
+
     /**
      * Return the rendered Object
      * @access public
diff --git a/lib/pear/HTML/QuickForm/Renderer/Tableless.php b/lib/pear/HTML/QuickForm/Renderer/Tableless.php
index 7326ede66af..4ef5a337e7e 100644
--- a/lib/pear/HTML/QuickForm/Renderer/Tableless.php
+++ b/lib/pear/HTML/QuickForm/Renderer/Tableless.php
@@ -118,11 +118,20 @@ class HTML_QuickForm_Renderer_Tableless extends HTML_QuickForm_Renderer_Default
     *
     * @access public
     */
-    function HTML_QuickForm_Renderer_Tableless()
-    {
-        $this->HTML_QuickForm_Renderer_Default();
+    public function __construct() {
+        parent::__construct();
     } // end constructor
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_Renderer_Tableless() {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct();
+    }
+
    /**
     * Called when visiting a header element
     *
diff --git a/lib/pear/HTML/QuickForm/advcheckbox.php b/lib/pear/HTML/QuickForm/advcheckbox.php
index cc14b715dbf..896fa271f71 100644
--- a/lib/pear/HTML/QuickForm/advcheckbox.php
+++ b/lib/pear/HTML/QuickForm/advcheckbox.php
@@ -77,12 +77,21 @@ class HTML_QuickForm_advcheckbox extends HTML_QuickForm_checkbox
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_advcheckbox($elementName=null, $elementLabel=null, $text=null, $attributes=null, $values=null)
-    {
-        $this->HTML_QuickForm_checkbox($elementName, $elementLabel, $text, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $text=null, $attributes=null, $values=null) {
+        parent::__construct($elementName, $elementLabel, $text, $attributes);
         $this->setValues($values);
     } //end constructor
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_advcheckbox($elementName=null, $elementLabel=null, $text=null, $attributes=null, $values=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $text, $attributes, $values);
+    }
+
     // }}}
     // {{{ getPrivateName()
 
diff --git a/lib/pear/HTML/QuickForm/autocomplete.php b/lib/pear/HTML/QuickForm/autocomplete.php
index c39bd8dec4c..acfbd20badd 100644
--- a/lib/pear/HTML/QuickForm/autocomplete.php
+++ b/lib/pear/HTML/QuickForm/autocomplete.php
@@ -75,9 +75,8 @@ class HTML_QuickForm_autocomplete extends HTML_QuickForm_text
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_autocomplete($elementName = null, $elementLabel = null, $options = null, $attributes = null)
-    {
-        $this->HTML_QuickForm_text($elementName, $elementLabel, $attributes);
+    public function __construct($elementName = null, $elementLabel = null, $options = null, $attributes = null) {
+        parent::__construct($elementName, $elementLabel, $attributes);
         $this->_persistantFreeze = true;
         $this->_type = 'autocomplete';
         if (isset($options)) {
@@ -85,6 +84,16 @@ class HTML_QuickForm_autocomplete extends HTML_QuickForm_text
         }
     } //end constructor
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_autocomplete($elementName = null, $elementLabel = null, $options = null, $attributes = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $options, $attributes);
+    }
+
     // }}}
     // {{{ setOptions()
 
diff --git a/lib/pear/HTML/QuickForm/button.php b/lib/pear/HTML/QuickForm/button.php
index bf6f10e8738..95e975ffc7b 100644
--- a/lib/pear/HTML/QuickForm/button.php
+++ b/lib/pear/HTML/QuickForm/button.php
@@ -45,13 +45,22 @@ class HTML_QuickForm_button extends HTML_QuickForm_input
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_button($elementName=null, $value=null, $attributes=null)
-    {
-        HTML_QuickForm_input::HTML_QuickForm_input($elementName, null, $attributes);
+    public function __construct($elementName=null, $value=null, $attributes=null) {
+        parent::__construct($elementName, null, $attributes);
         $this->_persistantFreeze = false;
         $this->setValue($value);
         $this->setType('button');
     } //end constructor
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_button($elementName=null, $value=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $value, $attributes);
+    }
     
     // }}}
     // {{{ freeze()
diff --git a/lib/pear/HTML/QuickForm/checkbox.php b/lib/pear/HTML/QuickForm/checkbox.php
index 100f8e73417..f305fc5f968 100644
--- a/lib/pear/HTML/QuickForm/checkbox.php
+++ b/lib/pear/HTML/QuickForm/checkbox.php
@@ -57,15 +57,24 @@ class HTML_QuickForm_checkbox extends HTML_QuickForm_input
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_checkbox($elementName=null, $elementLabel=null, $text='', $attributes=null)
-    {
-        HTML_QuickForm_input::HTML_QuickForm_input($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $text='', $attributes=null) {
+        parent::__construct($elementName, $elementLabel, $attributes);
         $this->_persistantFreeze = true;
         $this->_text = $text;
         $this->setType('checkbox');
         $this->updateAttributes(array('value'=>1));
     } //end constructor
-    
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_checkbox($elementName=null, $elementLabel=null, $text='', $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $text, $attributes);
+    }
+
     // }}}
     // {{{ setChecked()
 
diff --git a/lib/pear/HTML/QuickForm/date.php b/lib/pear/HTML/QuickForm/date.php
index 495e76ebcff..c0090e49993 100644
--- a/lib/pear/HTML/QuickForm/date.php
+++ b/lib/pear/HTML/QuickForm/date.php
@@ -266,9 +266,9 @@ class HTML_QuickForm_date extends HTML_QuickForm_group
     * @param    array   Options to control the element's display
     * @param    mixed   Either a typical HTML attribute string or an associative array
     */
-    function HTML_QuickForm_date($elementName = null, $elementLabel = null, $options = array(), $attributes = null)
-    {
-        $this->HTML_QuickForm_element($elementName, $elementLabel, $attributes);
+    public function __construct($elementName = null, $elementLabel = null, $options = array(), $attributes = null) {
+        // TODO MDL-52313 Replace with the call to parent::__construct().
+        HTML_QuickForm_element::__construct($elementName, $elementLabel, $attributes);
         $this->_persistantFreeze = true;
         $this->_appendName = true;
         $this->_type = 'date';
@@ -288,6 +288,16 @@ class HTML_QuickForm_date extends HTML_QuickForm_group
         }
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_date($elementName = null, $elementLabel = null, $options = array(), $attributes = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $options, $attributes);
+    }
+
     // }}}
     // {{{ _createElements()
 
diff --git a/lib/pear/HTML/QuickForm/element.php b/lib/pear/HTML/QuickForm/element.php
index a0a600c45f5..dc615f52e07 100644
--- a/lib/pear/HTML/QuickForm/element.php
+++ b/lib/pear/HTML/QuickForm/element.php
@@ -80,9 +80,8 @@ class HTML_QuickForm_element extends HTML_Common
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_element($elementName=null, $elementLabel=null, $attributes=null)
-    {
-        HTML_Common::HTML_Common($attributes);
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null) {
+        parent::__construct($attributes);
         if (isset($elementName)) {
             $this->setName($elementName);
         }
@@ -90,6 +89,16 @@ class HTML_QuickForm_element extends HTML_Common
             $this->setLabel($elementLabel);
         }
     } //end constructor
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_element($elementName=null, $elementLabel=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes);
+    }
     
     // }}}
     // {{{ apiVersion()
@@ -359,8 +368,7 @@ class HTML_QuickForm_element extends HTML_Common
     {
         switch ($event) {
             case 'createElement':
-                $className = get_class($this);
-                $this->$className($arg[0], $arg[1], $arg[2], $arg[3], $arg[4]);
+                static::__construct($arg[0], $arg[1], $arg[2], $arg[3], $arg[4]);
                 break;
             case 'addElement':
                 $this->onQuickFormEvent('createElement', $arg, $caller);
diff --git a/lib/pear/HTML/QuickForm/file.php b/lib/pear/HTML/QuickForm/file.php
index a8906f55c93..b698b670a7d 100644
--- a/lib/pear/HTML/QuickForm/file.php
+++ b/lib/pear/HTML/QuickForm/file.php
@@ -61,12 +61,21 @@ class HTML_QuickForm_file extends HTML_QuickForm_input
      * @since     1.0
      * @access    public
      */
-    function HTML_QuickForm_file($elementName=null, $elementLabel=null, $attributes=null)
-    {
-        HTML_QuickForm_input::HTML_QuickForm_input($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null) {
+        parent::__construct($elementName, $elementLabel, $attributes);
         $this->setType('file');
     } //end constructor
-    
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_file($elementName=null, $elementLabel=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes);
+    }
+
     // }}}
     // {{{ setSize()
 
@@ -176,8 +185,7 @@ class HTML_QuickForm_file extends HTML_QuickForm_input
                 return $this->onQuickFormEvent('updateValue', null, $caller);
                 break;
             case 'createElement':
-                $className = get_class($this);
-                $this->$className($arg[0], $arg[1], $arg[2]);
+                static::__construct($arg[0], $arg[1], $arg[2], $arg[3], $arg[4]);
                 break;
         }
         return true;
diff --git a/lib/pear/HTML/QuickForm/group.php b/lib/pear/HTML/QuickForm/group.php
index 229d6979e84..b400964082e 100644
--- a/lib/pear/HTML/QuickForm/group.php
+++ b/lib/pear/HTML/QuickForm/group.php
@@ -92,9 +92,8 @@ class HTML_QuickForm_group extends HTML_QuickForm_element
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_group($elementName=null, $elementLabel=null, $elements=null, $separator=null, $appendName = true)
-    {
-        $this->HTML_QuickForm_element($elementName, $elementLabel);
+    public function __construct($elementName=null, $elementLabel=null, $elements=null, $separator=null, $appendName = true) {
+        parent::__construct($elementName, $elementLabel);
         $this->_type = 'group';
         if (isset($elements) && is_array($elements)) {
             $this->setElements($elements);
@@ -107,6 +106,16 @@ class HTML_QuickForm_group extends HTML_QuickForm_element
         }
     } //end constructor
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_group($elementName=null, $elementLabel=null, $elements=null, $separator=null, $appendName = true) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $elements, $separator, $appendName);
+    }
+
     // }}}
     // {{{ setName()
 
diff --git a/lib/pear/HTML/QuickForm/header.php b/lib/pear/HTML/QuickForm/header.php
index b13eb2df4db..6ba301c3da8 100644
--- a/lib/pear/HTML/QuickForm/header.php
+++ b/lib/pear/HTML/QuickForm/header.php
@@ -38,12 +38,21 @@ class HTML_QuickForm_header extends HTML_QuickForm_static
     * @access public
     * @return void
     */
-    function HTML_QuickForm_header($elementName = null, $text = null)
-    {
-        $this->HTML_QuickForm_static($elementName, null, $text);
+    public function __construct($elementName = null, $text = null) {
+        parent::__construct($elementName, null, $text);
         $this->_type = 'header';
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_header($elementName = null, $text = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $text);
+    }
+
     // }}}
     // {{{ accept()
 
diff --git a/lib/pear/HTML/QuickForm/hidden.php b/lib/pear/HTML/QuickForm/hidden.php
index e758aeef81d..edbade9b797 100644
--- a/lib/pear/HTML/QuickForm/hidden.php
+++ b/lib/pear/HTML/QuickForm/hidden.php
@@ -45,13 +45,22 @@ class HTML_QuickForm_hidden extends HTML_QuickForm_input
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_hidden($elementName=null, $value='', $attributes=null)
-    {
-        HTML_QuickForm_input::HTML_QuickForm_input($elementName, null, $attributes);
+    public function __construct($elementName=null, $value='', $attributes=null) {
+        parent::__construct($elementName, null, $attributes);
         $this->setType('hidden');
         $this->setValue($value);
     } //end constructor
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_hidden($elementName=null, $value='', $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        return self::__construct($elementName, $value, $attributes);
+    }
+
     // }}}
     // {{{ freeze()
 
diff --git a/lib/pear/HTML/QuickForm/hiddenselect.php b/lib/pear/HTML/QuickForm/hiddenselect.php
index 458aa5c3ddc..acafa4f90eb 100644
--- a/lib/pear/HTML/QuickForm/hiddenselect.php
+++ b/lib/pear/HTML/QuickForm/hiddenselect.php
@@ -49,9 +49,9 @@ class HTML_QuickForm_hiddenselect extends HTML_QuickForm_select
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_hiddenselect($elementName=null, $elementLabel=null, $options=null, $attributes=null)
-    {
-        HTML_QuickForm_element::HTML_QuickForm_element($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $options=null, $attributes=null) {
+        // TODO MDL-52313 Replace with the call to parent::__construct().
+        HTML_QuickForm_element::__construct($elementName, $elementLabel, $attributes);
         $this->_persistantFreeze = true;
         $this->_type = 'hiddenselect';
         if (isset($options)) {
@@ -59,6 +59,16 @@ class HTML_QuickForm_hiddenselect extends HTML_QuickForm_select
         }
     } //end constructor
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_hiddenselect($elementName=null, $elementLabel=null, $options=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $options, $attributes);
+    }
+
     // }}}
     // {{{ toHtml()
 
diff --git a/lib/pear/HTML/QuickForm/hierselect.php b/lib/pear/HTML/QuickForm/hierselect.php
index 25de46686df..37622297d03 100644
--- a/lib/pear/HTML/QuickForm/hierselect.php
+++ b/lib/pear/HTML/QuickForm/hierselect.php
@@ -114,9 +114,9 @@ class HTML_QuickForm_hierselect extends HTML_QuickForm_group
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_hierselect($elementName=null, $elementLabel=null, $attributes=null, $separator=null)
-    {
-        $this->HTML_QuickForm_element($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null, $separator=null) {
+        // TODO MDL-52313 Replace with the call to parent::__construct().
+        HTML_QuickForm_element::__construct($elementName, $elementLabel, $attributes);
         $this->_persistantFreeze = true;
         if (isset($separator)) {
             $this->_separator = $separator;
@@ -125,6 +125,16 @@ class HTML_QuickForm_hierselect extends HTML_QuickForm_group
         $this->_appendName = true;
     } //end constructor
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_hierselect($elementName=null, $elementLabel=null, $attributes=null, $separator=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes, $separator);
+    }
+
     // }}}
     // {{{ setOptions()
 
diff --git a/lib/pear/HTML/QuickForm/html.php b/lib/pear/HTML/QuickForm/html.php
index 10b773e1372..a8c6f012dd0 100644
--- a/lib/pear/HTML/QuickForm/html.php
+++ b/lib/pear/HTML/QuickForm/html.php
@@ -40,12 +40,21 @@ class HTML_QuickForm_html extends HTML_QuickForm_static
     * @access public
     * @return void
     */
-    function HTML_QuickForm_html($text = null)
-    {
-        $this->HTML_QuickForm_static(null, null, $text);
+    public function __construct($text = null) {
+        parent::__construct(null, null, $text);
         $this->_type = 'html';
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_html($text = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($text);
+    }
+
     // }}}
     // {{{ accept()
 
diff --git a/lib/pear/HTML/QuickForm/image.php b/lib/pear/HTML/QuickForm/image.php
index a3cc2e37c2c..3cdef2ba712 100644
--- a/lib/pear/HTML/QuickForm/image.php
+++ b/lib/pear/HTML/QuickForm/image.php
@@ -44,13 +44,22 @@ class HTML_QuickForm_image extends HTML_QuickForm_input
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_image($elementName=null, $src='', $attributes=null)
-    {
-        HTML_QuickForm_input::HTML_QuickForm_input($elementName, null, $attributes);
+    public function __construct($elementName=null, $src='', $attributes=null) {
+        parent::__construct($elementName, null, $attributes);
         $this->setType('image');
         $this->setSource($src);
     } // end class constructor
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_image($elementName=null, $src='', $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $src, $attributes);
+    }
+
     // }}}
     // {{{ setSource()
 
diff --git a/lib/pear/HTML/QuickForm/input.php b/lib/pear/HTML/QuickForm/input.php
index f182e7e4dd1..aa197d172e5 100644
--- a/lib/pear/HTML/QuickForm/input.php
+++ b/lib/pear/HTML/QuickForm/input.php
@@ -45,11 +45,20 @@ class HTML_QuickForm_input extends HTML_QuickForm_element
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_input($elementName=null, $elementLabel=null, $attributes=null)
-    {
-        $this->HTML_QuickForm_element($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null) {
+        parent::__construct($elementName, $elementLabel, $attributes);
     } //end constructor
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_input($elementName=null, $elementLabel=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes);
+    }
+
     // }}}
     // {{{ setType()
 
diff --git a/lib/pear/HTML/QuickForm/link.php b/lib/pear/HTML/QuickForm/link.php
index 947f76c32bd..72787405828 100644
--- a/lib/pear/HTML/QuickForm/link.php
+++ b/lib/pear/HTML/QuickForm/link.php
@@ -57,15 +57,25 @@ class HTML_QuickForm_link extends HTML_QuickForm_static
      * @return    void
      * @throws    
      */
-    function HTML_QuickForm_link($elementName=null, $elementLabel=null, $href=null, $text=null, $attributes=null)
-    {
-        HTML_QuickForm_element::HTML_QuickForm_element($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $href=null, $text=null, $attributes=null) {
+        // TODO MDL-52313 Replace with the call to parent::__construct().
+        HTML_QuickForm_element::__construct($elementName, $elementLabel, $attributes);
         $this->_persistantFreeze = false;
         $this->_type = 'link';
         $this->setHref($href);
         $this->_text = $text;
     } //end constructor
-    
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_link($elementName=null, $elementLabel=null, $href=null, $text=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $href, $text, $attributes);
+    }
+
     // }}}
     // {{{ setName()
 
diff --git a/lib/pear/HTML/QuickForm/password.php b/lib/pear/HTML/QuickForm/password.php
index a83d5053e38..6d4c73089e2 100644
--- a/lib/pear/HTML/QuickForm/password.php
+++ b/lib/pear/HTML/QuickForm/password.php
@@ -46,11 +46,20 @@ class HTML_QuickForm_password extends HTML_QuickForm_input
      * @return    void
      * @throws    
      */
-    function HTML_QuickForm_password($elementName=null, $elementLabel=null, $attributes=null)
-    {
-        HTML_QuickForm_input::HTML_QuickForm_input($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null) {
+        parent::__construct($elementName, $elementLabel, $attributes);
         $this->setType('password');
     } //end constructor
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_password($elementName=null, $elementLabel=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes);
+    }
     
     // }}}
     // {{{ setSize()
diff --git a/lib/pear/HTML/QuickForm/radio.php b/lib/pear/HTML/QuickForm/radio.php
index 26320267668..b3569fdf500 100644
--- a/lib/pear/HTML/QuickForm/radio.php
+++ b/lib/pear/HTML/QuickForm/radio.php
@@ -57,9 +57,9 @@ class HTML_QuickForm_radio extends HTML_QuickForm_input
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_radio($elementName=null, $elementLabel=null, $text=null, $value=null, $attributes=null)
-    {
-        $this->HTML_QuickForm_element($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $text=null, $value=null, $attributes=null) {
+        // TODO MDL-52313 Replace with the call to parent::__construct().
+        HTML_QuickForm_element::__construct($elementName, $elementLabel, $attributes);
         if (isset($value)) {
             $this->setValue($value);
         }
@@ -68,6 +68,16 @@ class HTML_QuickForm_radio extends HTML_QuickForm_input
         $this->_text = $text;
     } //end constructor
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_radio($elementName=null, $elementLabel=null, $text=null, $value=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $text, $value, $attributes);
+    }
+
     // }}}
 
     function _generateId() {
diff --git a/lib/pear/HTML/QuickForm/reset.php b/lib/pear/HTML/QuickForm/reset.php
index 35336530866..62ee12f2d64 100644
--- a/lib/pear/HTML/QuickForm/reset.php
+++ b/lib/pear/HTML/QuickForm/reset.php
@@ -45,13 +45,22 @@ class HTML_QuickForm_reset extends HTML_QuickForm_input
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_reset($elementName=null, $value=null, $attributes=null)
-    {
-        HTML_QuickForm_input::HTML_QuickForm_input($elementName, null, $attributes);
+    public function __construct($elementName=null, $value=null, $attributes=null) {
+        parent::__construct($elementName, null, $attributes);
         $this->setValue($value);
         $this->setType('reset');
     } //end constructor
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_reset($elementName=null, $value=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $value, $attributes);
+    }
+
     // }}}
     // {{{ freeze()
 
diff --git a/lib/pear/HTML/QuickForm/select.php b/lib/pear/HTML/QuickForm/select.php
index f15ad8bcb29..eda84388c4c 100644
--- a/lib/pear/HTML/QuickForm/select.php
+++ b/lib/pear/HTML/QuickForm/select.php
@@ -66,15 +66,24 @@ class HTML_QuickForm_select extends HTML_QuickForm_element {
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_select($elementName=null, $elementLabel=null, $options=null, $attributes=null)
-    {
-        HTML_QuickForm_element::HTML_QuickForm_element($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $options=null, $attributes=null) {
+        parent::__construct($elementName, $elementLabel, $attributes);
         $this->_persistantFreeze = true;
         $this->_type = 'select';
         if (isset($options)) {
             $this->load($options);
         }
     } //end constructor
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_select($elementName=null, $elementLabel=null, $options=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes);
+    }
     
     // }}}
     // {{{ apiVersion()
diff --git a/lib/pear/HTML/QuickForm/static.php b/lib/pear/HTML/QuickForm/static.php
index 69879312afa..728eabdaa6f 100644
--- a/lib/pear/HTML/QuickForm/static.php
+++ b/lib/pear/HTML/QuickForm/static.php
@@ -49,14 +49,23 @@ class HTML_QuickForm_static extends HTML_QuickForm_element {
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_static($elementName=null, $elementLabel=null, $text=null)
-    {
-        HTML_QuickForm_element::HTML_QuickForm_element($elementName, $elementLabel);
+    public function __construct($elementName=null, $elementLabel=null, $text=null) {
+        parent::__construct($elementName, $elementLabel);
         $this->_persistantFreeze = false;
         $this->_type = 'static';
         $this->_text = $text;
     } //end constructor
-    
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_static($elementName=null, $elementLabel=null, $text=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $text);
+    }
+
     // }}}
     // {{{ setName()
 
diff --git a/lib/pear/HTML/QuickForm/submit.php b/lib/pear/HTML/QuickForm/submit.php
index e1d3e7d26e5..6ca23a47cf6 100644
--- a/lib/pear/HTML/QuickForm/submit.php
+++ b/lib/pear/HTML/QuickForm/submit.php
@@ -44,13 +44,22 @@ class HTML_QuickForm_submit extends HTML_QuickForm_input
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_submit($elementName=null, $value=null, $attributes=null)
-    {
-        HTML_QuickForm_input::HTML_QuickForm_input($elementName, null, $attributes);
+    public function __construct($elementName=null, $value=null, $attributes=null) {
+        parent::__construct($elementName, null, $attributes);
         $this->setValue($value);
         $this->setType('submit');
     } //end constructor
-    
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_submit($elementName=null, $value=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $value, $attributes);
+    }
+
     // }}}
     // {{{ freeze()
 
diff --git a/lib/pear/HTML/QuickForm/text.php b/lib/pear/HTML/QuickForm/text.php
index 9d6d9dea4ff..042e50875c5 100644
--- a/lib/pear/HTML/QuickForm/text.php
+++ b/lib/pear/HTML/QuickForm/text.php
@@ -46,12 +46,21 @@ class HTML_QuickForm_text extends HTML_QuickForm_input
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_text($elementName=null, $elementLabel=null, $attributes=null)
-    {
-        HTML_QuickForm_input::HTML_QuickForm_input($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null) {
+        parent::__construct($elementName, $elementLabel, $attributes);
         $this->_persistantFreeze = true;
         $this->setType('text');
     } //end constructor
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_text($elementName=null, $elementLabel=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes);
+    }
         
     // }}}
     // {{{ setSize()
diff --git a/lib/pear/HTML/QuickForm/textarea.php b/lib/pear/HTML/QuickForm/textarea.php
index 7aa0af2ad6c..9967f59b527 100644
--- a/lib/pear/HTML/QuickForm/textarea.php
+++ b/lib/pear/HTML/QuickForm/textarea.php
@@ -55,13 +55,22 @@ class HTML_QuickForm_textarea extends HTML_QuickForm_element
      * @access    public
      * @return    void
      */
-    function HTML_QuickForm_textarea($elementName=null, $elementLabel=null, $attributes=null)
-    {
-        HTML_QuickForm_element::HTML_QuickForm_element($elementName, $elementLabel, $attributes);
+    public function __construct($elementName=null, $elementLabel=null, $attributes=null) {
+        parent::__construct($elementName, $elementLabel, $attributes);
         $this->_persistantFreeze = true;
         $this->_type = 'textarea';
     } //end constructor
-    
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_textarea($elementName=null, $elementLabel=null, $attributes=null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes);
+    }
+
     // }}}
     // {{{ setName()
 
diff --git a/lib/pear/HTML/QuickForm/xbutton.php b/lib/pear/HTML/QuickForm/xbutton.php
index dd01995b212..b8f972ba1bf 100644
--- a/lib/pear/HTML/QuickForm/xbutton.php
+++ b/lib/pear/HTML/QuickForm/xbutton.php
@@ -44,14 +44,22 @@ class HTML_QuickForm_xbutton extends HTML_QuickForm_element
     * @param    mixed   Either a typical HTML attribute string or an associative array
     * @access   public
     */
-    function HTML_QuickForm_xbutton($elementName = null, $elementContent = null, $attributes = null)
-    {
-        $this->HTML_QuickForm_element($elementName, null, $attributes);
+    public function __construct($elementName = null, $elementContent = null, $attributes = null) {
+        parent::__construct($elementName, null, $attributes);
         $this->setContent($elementContent);
         $this->setPersistantFreeze(false);
         $this->_type = 'xbutton';
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function HTML_QuickForm_xbutton($elementName = null, $elementContent = null, $attributes = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementContent, $attributes);
+    }
 
     function toHtml()
     {
diff --git a/lib/pear/PEAR.php b/lib/pear/PEAR.php
index 69b2655366f..4e7c901db2e 100644
--- a/lib/pear/PEAR.php
+++ b/lib/pear/PEAR.php
@@ -146,7 +146,7 @@ class PEAR
      * @access public
      * @return void
      */
-    function PEAR($error_class = null)
+    function __construct($error_class = null)
     {
         $classname = strtolower(get_class($this));
         if ($this->_debug) {
@@ -173,6 +173,18 @@ class PEAR
         }
     }
 
+    /**
+     * Only here for backwards compatibility.
+     * E.g. Archive_Tar calls $this->PEAR() in its constructor.
+     *
+     * @param string $error_class Which class to use for error objects,
+     *                            defaults to PEAR_Error.
+     */
+    public function PEAR($error_class = null)
+    {
+        $this->__construct($error_class);
+    }
+
     /**
      * Destructor (the emulated type of...).  Does nothing right now,
      * but is included for forward compatibility, so subclass
@@ -823,7 +835,7 @@ class PEAR_Error
      * @access public
      *
      */
-    function PEAR_Error($message = 'unknown error', $code = null,
+    function __construct($message = 'unknown error', $code = null,
                         $mode = null, $options = null, $userinfo = null)
     {
         if ($mode === null) {
@@ -896,6 +908,14 @@ class PEAR_Error
         }
     }
 
+    /**
+     * Old syntax of class constructor for backward compatibility.
+     */
+    public function PEAR_Error($message = 'unknown error', $code = null,
+                        $mode = null, $options = null, $userinfo = null) {
+        self::__construct($message, $code, $mode, $options, $userinfo);
+    }
+
     /**
      * Get the error mode from an error object.
      *
diff --git a/lib/pear/README_MOODLE.txt b/lib/pear/README_MOODLE.txt
index 5b70ba45620..4dc1fb4d0c9 100644
--- a/lib/pear/README_MOODLE.txt
+++ b/lib/pear/README_MOODLE.txt
@@ -27,3 +27,10 @@ Most probably we will stop using this library in the future.
 MDL-20876 - replaced split() with explode() or preg_split() where appropriate
 MDL-40267 - Moodle core_text strlen functions used for range rule rule to be utf8 safe.
 MDL-46467 - $mform->hardfreeze causes labels to loose their for HTML attribute
+MDL-52081 - made all constructors PHP7 compatible
+
+
+Pear
+====
+Changed constructors in classes PEAR and PEAR_ERROR to be __construct(). This has
+been already changed upstream in 1.10.0, remove this line after upgrade.
\ No newline at end of file
diff --git a/lib/upgrade.txt b/lib/upgrade.txt
index e93691cbbd1..0a33a153cf0 100644
--- a/lib/upgrade.txt
+++ b/lib/upgrade.txt
@@ -11,6 +11,18 @@ information provided here is intended especially for developers.
 * Ajax calls going through lib/ajax/* now validate the return values before sending
   the response. If the validation does not pass an exception is raised. This behaviour
   is consistent with web services.
+* Several changes in Moodle core, standard plugins and third party libraries to
+  ensure compatibility with PHP7. All plugins are recommended to perform testing
+  against PHP7 as well. The following changes may affect you:
+  * Class moodleform, moodleform_mod and some module classes have been changed to use
+    __construct() for the constructor. Calling parent constructors by the class
+    name will display debugging message. Incorrect: parent::moodleform(),
+    correct: parent::__construct()
+  * All form elements have also changed the constructor syntax. No changes are
+    needed for using form elements, however if plugin defines new form element it
+    needs to use correct syntax. For example, incorrect: parent::HTML_QuickForm_input(),
+    HTML_QuickForm_input::HTML_QuickForm_input(), $this->HTML_QuickForm_input().
+    Correct: HTML_QuickForm_input::__construct() or parent::__construct().
 
 === 3.0 ===
 
diff --git a/mod/data/export_form.php b/mod/data/export_form.php
index 90b4ff77d59..c0383f29dfa 100644
--- a/mod/data/export_form.php
+++ b/mod/data/export_form.php
@@ -13,11 +13,21 @@ class mod_data_export_form extends moodleform {
 
      // @param string $url: the url to post to
      // @param array $datafields: objects in this database
-    function mod_data_export_form($url, $datafields, $cm, $data) {
+    public function __construct($url, $datafields, $cm, $data) {
         $this->_datafields = $datafields;
         $this->_cm = $cm;
         $this->_data = $data;
-        parent::moodleform($url);
+        parent::__construct($url);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function mod_data_export_form($url, $datafields, $cm, $data) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($url, $datafields, $cm, $data);
     }
 
     function definition() {
diff --git a/mod/lesson/mod_form.php b/mod/lesson/mod_form.php
index 5d3eb3a67fe..d701c522147 100644
--- a/mod/lesson/mod_form.php
+++ b/mod/lesson/mod_form.php
@@ -33,9 +33,19 @@ class mod_lesson_mod_form extends moodleform_mod {
 
     protected $course = null;
 
-    public function mod_lesson_mod_form($current, $section, $cm, $course) {
+    public function __construct($current, $section, $cm, $course) {
         $this->course = $course;
-        parent::moodleform_mod($current, $section, $cm, $course);
+        parent::__construct($current, $section, $cm, $course);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     * 
+     * @deprecated since Moodle 3.1
+     */
+    public function mod_lesson_mod_form($current, $section, $cm, $course) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($current, $section, $cm, $course);
     }
 
     function definition() {
diff --git a/mod/wiki/editors/wikieditor.php b/mod/wiki/editors/wikieditor.php
index 11641523fff..187c34199e7 100644
--- a/mod/wiki/editors/wikieditor.php
+++ b/mod/wiki/editors/wikieditor.php
@@ -33,7 +33,14 @@ class MoodleQuickForm_wikieditor extends MoodleQuickForm_textarea {
 
     private $files;
 
-    function MoodleQuickForm_wikieditor($elementName = null, $elementLabel = null, $attributes = null) {
+    /**
+     * Constructor
+     *
+     * @param string $elementName (optional) name of the text field
+     * @param string $elementLabel (optional) text field label
+     * @param string $attributes (optional) Either a typical HTML attribute string or an associative array
+     */
+    function __construct($elementName = null, $elementLabel = null, $attributes = null) {
         if (isset($attributes['wiki_format'])) {
             $this->wikiformat = $attributes['wiki_format'];
             unset($attributes['wiki_format']);
@@ -43,7 +50,17 @@ class MoodleQuickForm_wikieditor extends MoodleQuickForm_textarea {
             unset($attributes['files']);
         }
 
-        parent::MoodleQuickForm_textarea($elementName, $elementLabel, $attributes);
+        parent::__construct($elementName, $elementLabel, $attributes);
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_wikieditor($elementName = null, $elementLabel = null, $attributes = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes);
     }
 
     function setWikiFormat($wikiformat) {
diff --git a/mod/wiki/editors/wikifiletable.php b/mod/wiki/editors/wikifiletable.php
index c1b9ed4fb6a..fffaf4b25ee 100644
--- a/mod/wiki/editors/wikifiletable.php
+++ b/mod/wiki/editors/wikifiletable.php
@@ -37,13 +37,23 @@ class MoodleQuickForm_wikifiletable extends HTML_QuickForm_element {
     private $_fileinfo;
     private $_value = array();
 
-    function MoodleQuickForm_wikifiletable($elementName = null, $elementLabel = null, $attributes = null, $fileinfo = null, $format = null) {
+    public function __construct($elementName = null, $elementLabel = null, $attributes = null, $fileinfo = null, $format = null) {
 
-        parent::HTML_QuickForm_element($elementName, $elementLabel, $attributes);
+        parent::__construct($elementName, $elementLabel, $attributes);
         $this->_fileinfo = $fileinfo;
         $this->_format = $format;
     }
 
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function MoodleQuickForm_wikifiletable($elementName = null, $elementLabel = null, $attributes = null, $fileinfo = null, $format = null) {
+        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
+        self::__construct($elementName, $elementLabel, $attributes, $fileinfo, $format);
+    }
+
     function onQuickFormEvent($event, $arg, &$caller) {
         global $OUTPUT;