diff --git a/user/profile/field/text/classes/privacy/provider.php b/user/profile/field/text/classes/privacy/provider.php
index ae2b0bfaa60..778a2142f54 100644
--- a/user/profile/field/text/classes/privacy/provider.php
+++ b/user/profile/field/text/classes/privacy/provider.php
@@ -24,8 +24,6 @@
 
 namespace profilefield_text\privacy;
 
-defined('MOODLE_INTERNAL') || die();
-
 use \core_privacy\local\metadata\collection;
 use \core_privacy\local\request\contextlist;
 use \core_privacy\local\request\approved_contextlist;
diff --git a/user/profile/field/text/define.class.php b/user/profile/field/text/define.class.php
index 3e861955573..e578e8cdad7 100644
--- a/user/profile/field/text/define.class.php
+++ b/user/profile/field/text/define.class.php
@@ -70,4 +70,4 @@ class profile_define_text extends profile_define_base {
         $form->addElement('select', 'param5', get_string('profilefieldlinktarget', 'admin'), $targetoptions);
         $form->setType('param5', PARAM_RAW);
     }
-}
\ No newline at end of file
+}
diff --git a/user/profile/field/text/field.class.php b/user/profile/field/text/field.class.php
index 3ac0fc20839..6841cdce3ce 100644
--- a/user/profile/field/text/field.class.php
+++ b/user/profile/field/text/field.class.php
@@ -35,10 +35,10 @@ class profile_field_text extends profile_field_base {
      */
     public function display_data() {
         // Default formatting.
-        $data = parent::display_data();
+        $data = format_string($this->data);
 
         // Are we creating a link?
-        if (!empty($this->field->param4) and !empty($data)) {
+        if (!empty($this->field->param4) && !empty($data)) {
 
             // Define the target.
             if (! empty($this->field->param5)) {
@@ -48,7 +48,8 @@ class profile_field_text extends profile_field_base {
             }
 
             // Create the link.
-            $data = '<a href="'.str_replace('$$', urlencode($data), $this->field->param4).'" '.$target.'>'.htmlspecialchars($data).'</a>';
+            $data = '<a href="'.str_replace('$$', urlencode($data),
+                     $this->field->param4).'" '.$target.'>'.htmlspecialchars($data).'</a>';
         }
 
         return $data;
@@ -64,7 +65,8 @@ class profile_field_text extends profile_field_base {
         $fieldtype = ($this->field->param3 == 1 ? 'password' : 'text');
 
         // Create the form field.
-        $mform->addElement($fieldtype, $this->inputname, format_string($this->field->name), 'maxlength="'.$maxlength.'" size="'.$size.'" ');
+        $mform->addElement($fieldtype, $this->inputname, format_string($this->field->name),
+                    'maxlength="'.$maxlength.'" size="'.$size.'" ');
         $mform->setType($this->inputname, PARAM_TEXT);
     }
 
diff --git a/user/profile/field/text/tests/field_class_test.php b/user/profile/field/text/tests/field_class_test.php
new file mode 100644
index 00000000000..bdde7f88d65
--- /dev/null
+++ b/user/profile/field/text/tests/field_class_test.php
@@ -0,0 +1,73 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+namespace profilefield_text;
+
+defined('MOODLE_INTERNAL') || die();
+
+global $CFG;
+
+require_once($CFG->dirroot.'/user/profile/lib.php');
+require_once($CFG->dirroot.'/user/profile/field/text/field.class.php');
+
+use profile_field_text;
+
+/**
+ * Unit tests for the profilefield_text.
+ *
+ * @package    profilefield_text
+ * @copyright  2022 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @covers     \profilefield_text\profile_field_text
+ */
+class field_class_test extends \advanced_testcase {
+    /**
+     * Test that the profile text data is formatted and required filters applied
+     *
+     * @covers \profile_field_text::display_data
+     * @dataProvider filter_profile_field_text_provider
+     * @param string $input
+     * @param string $expected
+     */
+    public function test_filter_display_data(string $input, string $expected): void {
+        $this->resetAfterTest();
+        $field = new profile_field_text();
+        $field->data = $input;
+
+        filter_set_global_state('multilang', TEXTFILTER_ON);
+        filter_set_global_state('emoticon', TEXTFILTER_ON);
+        filter_set_applies_to_strings('multilang', true);
+
+        $actual = $field->display_data();
+        $this->assertEquals($expected, $actual);
+    }
+
+    /**
+     * Data provider for {@see test_filter_display_data}
+     *
+     * @return string[]
+     */
+    public function filter_profile_field_text_provider(): array {
+        return [
+                'simple_string' => ['Simple string', 'Simple string'],
+                'format_string' => ['HTML & is escaped', 'HTML &amp; is escaped'],
+                'multilang_filter' =>
+                    ['<span class="multilang" lang="en">English</span><span class="multilang" lang="fr">French</span>', 'English'],
+                'emoticons_filter' => ['No emoticons filter :-(', 'No emoticons filter :-(']
+        ];
+    }
+}
+
diff --git a/user/profile/field/text/tests/privacy/provider_test.php b/user/profile/field/text/tests/privacy/provider_test.php
index 8b85f37cdc3..d32ec1711eb 100644
--- a/user/profile/field/text/tests/privacy/provider_test.php
+++ b/user/profile/field/text/tests/privacy/provider_test.php
@@ -23,8 +23,6 @@
  */
 namespace profilefield_text\privacy;
 
-defined('MOODLE_INTERNAL') || die();
-
 use core_privacy\tests\provider_testcase;
 use profilefield_text\privacy\provider;
 use core_privacy\local\request\approved_userlist;
diff --git a/user/profile/field/text/version.php b/user/profile/field/text/version.php
index 4a26b5d8a02..34f4ce250b2 100644
--- a/user/profile/field/text/version.php
+++ b/user/profile/field/text/version.php
@@ -26,4 +26,4 @@ defined('MOODLE_INTERNAL') || die();
 
 $plugin->version   = 2022041900;        // The current plugin version (Date: YYYYMMDDXX).
 $plugin->requires  = 2022041200;        // Requires this Moodle version.
-$plugin->component = 'profilefield_text'; // Full name of the plugin (used for diagnostics)
+$plugin->component = 'profilefield_text'; // Full name of the plugin (used for diagnostics).