Bug 45166 fix

diff --git a/includes/specials/SpecialVersion.php b/includes/specials/SpecialVersion.php
index b04f1ef..8645ef4 100644
--- a/includes/specials/SpecialVersion.php
+++ b/includes/specials/SpecialVersion.php
@@ -619,12 +619,13 @@ class SpecialVersion extends SpecialPage {
        /**
         * Convert an array of items into a list for display.
         *
-        * @param $list Array of elements to display
+        * @param $ilist Array of elements to display
         * @param $sort Boolean: whether to sort the items in $list
         *
         * @return String
         */
-       function listToText( $list, $sort = true ) {
+       function listToText( $ilist, $sort = true ) {
+               $list = array_filter( $ilist, function( $entry ) { return !$entry instanceof Closure; } );
                $cnt = count( $list );

                if ( $cnt == 1 ) {
@@ -636,6 +637,10 @@ class SpecialVersion extends SpecialPage {
                        if ( $sort ) {
                                sort( $list );
                        }
+                       $closureCount = count( array_filter( $ilist, function( $entry ) { return $entry instanceof Closure; } ) );
+                       if ( $closureCount ) {
+                               $list[] = wfMessage( 'version-extension-functions-anonymous', $closureCount )->text();
+                       }
                        return $this->getLanguage()->listToText( array_map( array( __CLASS__, 'arrayToString' ), $list ) );
                }
        }
diff --git a/languages/messages/MessagesEn.php b/languages/messages/MessagesEn.php
index d3f1327..6f95c59 100644
--- a/languages/messages/MessagesEn.php
+++ b/languages/messages/MessagesEn.php
@@ -4727,6 +4727,7 @@ You can also [[Special:EditWatchlist|use the standard editor]].',
 'version-mediahandlers'                 => 'Media handlers',
 'version-hooks'                         => 'Hooks',
 'version-extension-functions'           => 'Extension functions',
+'version-extension-functions-anonymous' => '$1 anonymous {{PLURAL:$1|function|functions}}',
 'version-parser-extensiontags'          => 'Parser extension tags',
 'version-parser-function-hooks'         => 'Parser function hooks',
 'version-hook-name'                     => 'Hook name',
diff --git a/languages/messages/MessagesQqq.php b/languages/messages/MessagesQqq.php
index 8c26034..9b48998 100644
--- a/languages/messages/MessagesQqq.php
+++ b/languages/messages/MessagesQqq.php
@@ -8243,6 +8243,7 @@ This message is followed by the list of SPAM prevention extensions.',
 There are no such extensions here, so look at [[wikipedia:Special:Version]] for an example.',
 'version-hooks' => 'Shown in [[Special:Version]]',
 'version-extension-functions' => 'Shown in [[Special:Version]]',
+'version-extension-functions-anonymous' => 'Shown in [[Special:Version]] under extension functions to represent functions which do not have names.',
 'version-parser-extensiontags' => 'Part of [[Special:Version]].
 This message is followed by the list of parser extension tags like <code><nowiki><charinsert></nowiki></code>, <code><nowiki><coordinates></nowiki></code>, etc.',
 'version-parser-function-hooks' => 'Shown in [[Special:Version]]',
diff --git a/maintenance/language/messages.inc b/maintenance/language/messages.inc
index e2997c4..7e74bfe 100644
--- a/maintenance/language/messages.inc
+++ b/maintenance/language/messages.inc
@@ -3588,6 +3588,7 @@ $wgMessageStructure = array(
                'version-mediahandlers',
                'version-hooks',
                'version-extension-functions',
+               'version-extension-functions-anonymous',
                'version-parser-extensiontags',
                'version-parser-function-hooks',
                'version-hook-name',