MDL-67115 core: php74 params order for implode()/join()

Passing parameters to implode() in reverse order is deprecated, use
implode($glue, $parts) instead of implode($parts, $glue).

This commit corresponds to phpunit and manual detections, core files.

admin/renderer.php

@@ -1290,7 +1290,7 @@ protected function missing_dependencies(core_plugin_manager $pluginman) {
         if ($unavailable or $unknown) {
             $out .= $this->output->heading(get_string('misdepsunavail', 'core_plugin'));
             if ($unknown) {
-                $out .= $this->output->notification(get_string('misdepsunknownlist', 'core_plugin', implode($unknown, ', ')));
+                $out .= $this->output->notification(get_string('misdepsunknownlist', 'core_plugin', implode(', ', $unknown)));
             }
             if ($unavailable) {
                 $unavailablelist = array();
@@ -1305,7 +1305,7 @@ protected function missing_dependencies(core_plugin_manager $pluginman) {
                     $unavailablelist[] = $unavailablelistitem;
                 }
                 $out .= $this->output->notification(get_string('misdepsunavaillist', 'core_plugin',
-                    implode($unavailablelist, ', ')));
+                    implode(', ', $unavailablelist)));
             }
             $out .= $this->output->container_start('plugins-check-dependencies-actions');
             $out .= ' '.html_writer::link(new moodle_url('/admin/tool/installaddon/'),
@@ -1425,7 +1425,7 @@ protected function available_missing_dependencies_list(core_plugin_manager $plug
                 html_writer::div($plugin->name, 'name').' '.html_writer::div($plugin->component, 'component'),
                 $plugin->version->release,
                 $plugin->version->version,
-                implode($supportedmoodles, ' '),
+                implode(' ', $supportedmoodles),
                 $info
             );
         }
@@ -2037,7 +2037,7 @@ public function environment_check_table($result, $environment_results) {
                 if (empty($CFG->docroot) or $environment_result->plugin) {
                     $report = get_string($stringtouse, 'admin', $rec);
                 } else {
-                    $report = $this->doc_link(join($linkparts, '/'), get_string($stringtouse, 'admin', $rec), true);
+                    $report = $this->doc_link(join('/', $linkparts), get_string($stringtouse, 'admin', $rec), true);
                 }
                 // Enclose report text in div so feedback text will be displayed underneath it.
                 $report = html_writer::div($report);

completion/criteria/completion_criteria_activity.php

@@ -288,7 +288,7 @@ public function get_details($completion) {
             }
         }
 
-        $details['requirement'] = implode($details['requirement'], ', ');
+        $details['requirement'] = implode(', ', $details['requirement']);
 
         $details['status'] = '';
 

filter/tex/filter.php

@@ -160,7 +160,7 @@ function filter($text, array $options = array()) {
             '\\\\\((.+?)\\\\\)',
             '\\[tex\\](.+?)\\[\/tex\\]'
         );
-        $megarule = '/' . implode($rules, '|') . '/is';
+        $megarule = '/' . implode('|', $rules) . '/is';
         preg_match_all($megarule, $text, $matches);
         for ($i=0; $i<count($matches[0]); $i++) {
             $texexp = '';

group/classes/output/user_groups_editable.php

@@ -98,7 +98,7 @@ public function export_for_template(\renderer_base $output) {
         }
 
         if (!empty($listofgroups)) {
-            $this->displayvalue = implode($listofgroups, ', ');
+            $this->displayvalue = implode(', ', $listofgroups);
         } else {
             $this->displayvalue = get_string('groupsnone');
         }

lib/listlib.php

@@ -552,7 +552,7 @@ public function to_html($indent = 0, $extraargs = array()) {
         } else {
             $childrenhtml = '';
         }
-        return $this->item_html($extraargs).' '.(join($this->icons, '')).(($childrenhtml !='')?("\n".$childrenhtml):'');
+        return $this->item_html($extraargs).' '.(join('', $this->icons)).(($childrenhtml !='')?("\n".$childrenhtml):'');
     }
 
     public function set_icon_html($first, $last, $lastitem) {

lib/questionlib.php

@@ -1420,7 +1420,7 @@ function question_category_options($contexts, $top = false, $currentcat = 0,
     foreach ($contexts as $context) {
         $pcontexts[] = $context->id;
     }
-    $contextslist = join($pcontexts, ', ');
+    $contextslist = join(', ', $pcontexts);
 
     $categories = get_categories_for_contexts($contextslist, 'parent, sortorder, name ASC', $top);
 
@@ -2011,7 +2011,7 @@ public function require_cap($cap) {
      */
     public function require_one_cap($caps) {
         if (!$this->have_one_cap($caps)) {
-            $capsstring = join($caps, ', ');
+            $capsstring = join(', ', $caps);
             print_error('nopermissions', '', '', $capsstring);
         }
     }

lib/tests/behat/behat_navigation.php

@@ -300,7 +300,7 @@ protected function select_node_in_navigation($nodetext, $parentnodes) {
         // Throw exception if no node found.
         if (!$nodetoclick) {
             throw new ExpectationException('Navigation node "' . $nodetext . '" not found under "' .
-                implode($parentnodes, ' > ') . '"', $this->getSession());
+                implode(' > ', $parentnodes) . '"', $this->getSession());
         }
         $nodetoclick->click();
     }

lib/tests/other/pdflibtestpage.php

@@ -104,7 +104,7 @@
         }
         $list[] = $f;
     }
-    $c .= implode($list, ', ');
+    $c .= implode(', ', $list);
     $c .= '<p><i><small>Note: * Standard core fonts are not embedded in PDF files, PDF viewers are using local fonts.</small></i></p>';
 
     $c .= '<h3>Installed languages and their alphabets</h3>';

mod/glossary/lib.php

@@ -570,13 +570,13 @@ function glossary_print_recent_activity($course, $viewfullnames, $timestart) {
 
     $joins = array(' FROM {glossary_entries} ge ');
     $joins[] = 'JOIN {user} u ON u.id = ge.userid ';
-    $fromsql = implode($joins, "\n");
+    $fromsql = implode("\n", $joins);
 
     $params['timestart'] = $timestart;
     $clausesql = ' WHERE ge.timemodified > :timestart ';
 
     if (count($approvals) > 0) {
-        $approvalsql = 'AND ('. implode($approvals, ' OR ') .') ';
+        $approvalsql = 'AND ('. implode(' OR ', $approvals) .') ';
     } else {
         $approvalsql = '';
     }

question/editlib.php

@@ -490,7 +490,7 @@ function question_build_edit_resources($edittab, $baseurl, $params) {
     foreach ($contexts->having_one_edit_tab_cap($edittab) as $context){
         $contextlistarr[] = "'{$context->id}'";
     }
-    $contextlist = join($contextlistarr, ' ,');
+    $contextlist = join(' ,', $contextlistarr);
     if (!empty($pagevars['cat'])){
         $catparts = explode(',', $pagevars['cat']);
         if (!$catparts[0] || (false !== array_search($catparts[1], $contextlistarr)) ||

question/format/examview/format.php

@@ -164,7 +164,7 @@ public function readquestions($lines) {
         $questions = array();
         $currentquestion = array();
 
-        $text = implode($lines, ' ');
+        $text = implode(' ', $lines);
         $text = $this->cleanunicode($text);
 
         $xml = xmlize($text, 0);

question/format/examview/tests/examviewformat_test.php

@@ -252,7 +252,7 @@ public function test_parse_matching_groups() {
         $lines = $this->make_test_xml();
 
         $importer = new qformat_examview();
-        $text = implode($lines, ' ');
+        $text = implode(' ', $lines);
 
         $xml = xmlize($text, 0);
         $importer->parse_matching_groups($xml['examview']['#']['matching-group']);

user/classes/output/user_roles_editable.php

@@ -128,7 +128,7 @@ public function export_for_template(\renderer_base $output) {
         }
 
         if (!empty($listofroles)) {
-            $this->displayvalue = implode($listofroles, ', ');
+            $this->displayvalue = implode(', ', $listofroles);
         } else if (!empty($roleids) && empty($viewableroleids)) {
             $this->displayvalue = get_string('novisibleroles', 'role');
         } else {