diff --git a/backup/util/loggers/tests/logger_test.php b/backup/util/loggers/tests/logger_test.php
index 70a65f9b8b3..f81d7a40dc8 100644
--- a/backup/util/loggers/tests/logger_test.php
+++ b/backup/util/loggers/tests/logger_test.php
@@ -95,7 +95,8 @@ class backup_logger_testcase extends basic_testcase {
         $lo3 = new mock_base_logger3(backup::LOG_ERROR);
         $lo1->set_next($lo2);
         $lo2->set_next($lo3);
-        $this->assertFalse($lo1->process('test', backup::LOG_ERROR));
+        $msg = 13;
+        $this->assertFalse($lo1->process($msg, backup::LOG_ERROR));
 
         // Test checksum correct
         $lo1 = new mock_base_logger1(backup::LOG_ERROR);
diff --git a/badges/index.php b/badges/index.php
index a1102232aa8..250ebee7802 100644
--- a/badges/index.php
+++ b/badges/index.php
@@ -160,7 +160,7 @@ if ($type == BADGE_TYPE_SITE) {
 }
 echo $OUTPUT->box('', 'notifyproblem hide', 'check_connection');
 
-$totalcount = count(badges_get_badges($type, $courseid, '', '' , '', ''));
+$totalcount = count(badges_get_badges($type, $courseid, '', '' , 0, 0));
 $records = badges_get_badges($type, $courseid, $sortby, $sorthow, $page, BADGE_PERPAGE);
 
 if ($totalcount) {
diff --git a/badges/view.php b/badges/view.php
index ed1aa7df98a..b1f3495ae04 100644
--- a/badges/view.php
+++ b/badges/view.php
@@ -83,7 +83,7 @@ $output = $PAGE->get_renderer('core', 'badges');
 echo $output->header();
 echo $OUTPUT->heading($title);
 
-$totalcount = count(badges_get_badges($type, $courseid, '', '', '', '', $USER->id));
+$totalcount = count(badges_get_badges($type, $courseid, '', '', 0, 0, $USER->id));
 $records = badges_get_badges($type, $courseid, $sortby, $sorthow, $page, BADGE_PERPAGE, $USER->id);
 
 if ($totalcount) {
diff --git a/blocks/glossary_random/block_glossary_random.php b/blocks/glossary_random/block_glossary_random.php
index bf9f6a7dcea..4ef7515ea77 100644
--- a/blocks/glossary_random/block_glossary_random.php
+++ b/blocks/glossary_random/block_glossary_random.php
@@ -86,7 +86,7 @@ class block_glossary_random extends block_base {
             switch ($this->config->type) {
 
                 case BGR_RANDOMLY:
-                    $i = rand(1,$numberofentries);
+                    $i = ($numberofentries > 1) ? rand(1, $numberofentries) : 1;
                     $limitfrom = $i-1;
                     break;
 
diff --git a/lib/tests/setuplib_test.php b/lib/tests/setuplib_test.php
index 10d2cee69e4..aba4ec75ae3 100644
--- a/lib/tests/setuplib_test.php
+++ b/lib/tests/setuplib_test.php
@@ -174,7 +174,7 @@ class core_setuplib_testcase extends advanced_testcase {
         global $CFG;
 
         // Start with a file instead of a directory.
-        $base = $CFG->tempdir . DIRECTORY_SEPARATOR . md5(microtime() + rand());
+        $base = $CFG->tempdir . DIRECTORY_SEPARATOR . md5(microtime(true) + rand());
         touch($base);
 
         // First the false test.