Ticket #16661: 16661.4.diff

wp-admin/includes/deprecated.php

@@ -502 +502 @@
                         $this->query_where .= " AND $wpdb->users.ID = $wpdb->usermeta.user_id AND meta_key = '{$level_key}'";
                 }
 
-                do_action_ref_array( 'pre_user_search', array( &$this ) );
+                do_action( 'pre_user_search', $this );
         }
 
         /**

wp-admin/includes/user.php

@@ -135 +135 @@
                 $errors->add( 'user_login', __( '<strong>ERROR</strong>: Please enter a username.' ));
 
         /* checking the password has been typed twice */
-        do_action_ref_array( 'check_passwords', array ( $user->user_login, & $pass1, & $pass2 ));
+        do_action( 'check_passwords', $user->user_login, & $pass1, & $pass2 );
 
         if ( $update ) {
                 if ( empty($pass1) && !empty($pass2) )
@@ -176 +176 @@
         }
 
         // Allow plugins to return their own errors.
-        do_action_ref_array('user_profile_update_errors', array ( &$errors, $update, &$user ) );
+        do_action_ref( 'user_profile_update_errors', $errors, $update, $user );
 
         if ( $errors->get_error_codes() )
                 return $errors;

wp-admin/load-scripts.php

@@ -55 +55 @@
 /**
  * @ignore
  */
-function do_action_ref_array() {}
+function do_action() {}
 
 /**
  * @ignore

wp-admin/load-styles.php

@@ -55 +55 @@
 /**
  * @ignore
  */
-function do_action_ref_array() {}
+function do_action() {}
 
 /**
  * @ignore

wp-cron.php

@@ -52 +52 @@
 
                         wp_unschedule_event($timestamp, $hook, $v['args']);
 
-                        do_action_ref_array($hook, $v['args']);
+                        array_unshift( $v['args'], $hook );
+
+                        call_user_func_array( 'do_action', $v['args'] );
                 }
         }
 }

wp-includes/admin-bar.php

@@ -57 +57 @@
 
         $wp_admin_bar->load_user_locale_translations();
 
-        do_action_ref_array( 'admin_bar_menu', array( &$wp_admin_bar ) );
+        do_action( 'admin_bar_menu', $wp_admin_bar );
 
         do_action( 'wp_before_admin_bar_render' );
 

wp-includes/class-http.php

@@ -1408 +1408 @@
 
                 // Cookies are not handled by the HTTP API currently. Allow for plugin authors to handle it
                 // themselves... Although, it is somewhat pointless without some reference.
-                do_action_ref_array( 'http_api_curl', array(&$handle) );
+                do_action( 'http_api_curl', array(&$handle) );
 
                 // We don't need to return the body, so don't. Just execute request and return.
                 if ( ! $r['blocking'] ) {

wp-includes/class-wp.php

@@ -298 +298 @@
 
                 $this->query_vars = apply_filters('request', $this->query_vars);
 
-                do_action_ref_array('parse_request', array(&$this));
+                do_action('parse_request', $this);
         }
 
         /**
@@ -373 +373 @@
                 if ( $exit_required )
                         exit();
 
-                do_action_ref_array('send_headers', array(&$this));
+                do_action('send_headers', $this);
         }
 
         /**
@@ -501 +501 @@
                 $this->query_posts();
                 $this->handle_404();
                 $this->register_globals();
-                do_action_ref_array('wp', array(&$this));
+                do_action('wp', &$this);
         }
 
         /**

wp-includes/class.wp-scripts.php

@@ -31 +31 @@
         var $default_dirs;
 
         function __construct() {
-                do_action_ref_array( 'wp_default_scripts', array(&$this) );
+                do_action( 'wp_default_scripts', $this );
         }
 
         /**

wp-includes/class.wp-styles.php

@@ -28 +28 @@
         var $default_dirs;
 
         function __construct() {
-                do_action_ref_array( 'wp_default_styles', array(&$this) );
+                do_action( 'wp_default_styles', $this );
         }
 
         function do_item( $handle ) {

wp-includes/comment.php

@@ -221 +221 @@
                 );
 
                 $this->query_vars = wp_parse_args( $query_vars, $defaults );
-                do_action_ref_array( 'pre_get_comments', array( &$this ) );
+                do_action( 'pre_get_comments', $this );
                 extract( $this->query_vars, EXTR_SKIP );
 
                 // $args can be whatever, only use the args defined in defaults to compute the key
@@ -320 +320 @@
                         $where .= $this->get_search_sql( $search, array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_content' ) );
 
                 $pieces = array( 'fields', 'join', 'where', 'orderby', 'order', 'limits' );
-                $clauses = apply_filters_ref_array( 'comments_clauses', array( compact( $pieces ), &$this ) );
+                $clauses = apply_filters( 'comments_clauses', compact( $pieces ), $this );
                 foreach ( $pieces as $piece )
                         $$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : '';
 
@@ -330 +330 @@
                         return $wpdb->get_var( $query );
 
                 $comments = $wpdb->get_results( $query );
-                $comments = apply_filters_ref_array( 'the_comments', array( $comments, &$this ) );
+                $comments = apply_filters( 'the_comments', $comments, $this );
 
                 wp_cache_add( $cache_key, $comments, 'comment' );
 
@@ -1796 +1796 @@
                 endif;
         endforeach;
 
-        do_action_ref_array('pre_ping', array(&$post_links, &$pung));
+        do_action('pre_ping', &$post_links, &$pung);
 
         foreach ( (array) $post_links as $pagelinkedto ) {
                 $pingback_server_url = discover_pingback_server_uri( $pagelinkedto );

wp-includes/deprecated.php

@@ -2602 +2602 @@
         return true;
 }
 
+
+/**
+ * Execute functions hooked on a specific action hook, specifying arguments in an array.
+ *
+ * @see do_action() This function is identical, but the arguments passed to the
+ * functions hooked to <tt>$tag</tt> are supplied using an array.
+ *
+ * @since 2.1
+ * @deprecated 3.2
+ *
+ * @param string $tag The name of the action to be executed.
+ * @param array $args The arguments supplied to the functions hooked to <tt>$tag</tt>
+ * @return null Will return null if $tag does not exist in $wp_filter array
+ */
+function do_action_ref_array( $tag, $args ) {
+        _deprecated_function( __FUNCTION__, '3.2', 'do_action()' );
+
+        array_unshift( $args, $tag );
+
+        return call_user_func_array( 'do_action', $args );
+}
+
+/**
+ * Execute functions hooked on a specific filter hook, specifying arguments in an array.
+ *
+ * @see apply_filters() This function is identical, but the arguments passed to the
+ * functions hooked to <tt>$tag</tt> are supplied using an array.
+ *
+ * @since 3.0
+ * @deprecated 3.2
+ *
+ * @param string $tag The name of the filter hook.
+ * @param array $args The arguments supplied to the functions hooked to <tt>$tag</tt>
+ * @return mixed The filtered value after all hooked functions are applied to it.
+ */
+function apply_filters_ref_array( $tag, $args ) {
+        _deprecated_function( __FUNCTION__, '3.2', 'apply_filters()' );
+
+        array_unshift( $args, $tag );
+
+        return call_user_func_array( 'apply_filters', $args );
+}
+

wp-includes/feed.php

@@ -535 +535 @@
         $feed->set_cache_class('WP_Feed_Cache');
         $feed->set_file_class('WP_SimplePie_File');
         $feed->set_cache_duration(apply_filters('wp_feed_cache_transient_lifetime', 43200, $url));
-        do_action_ref_array( 'wp_feed_options', array( &$feed, $url ) );
+        do_action( 'wp_feed_options', $feed, $url );
         $feed->init();
         $feed->handle_content_type();
 

wp-includes/meta.php

@@ -442 +442 @@
                 $where .= $wpdb->prepare( " AND CAST($alias.meta_value AS {$meta_type}) {$meta_compare} {$meta_compare_string}", $meta_value );
         }
 
-        return apply_filters_ref_array( 'get_meta_sql', array( compact( 'join', 'where' ), $meta_query, $meta_type, $primary_table, $primary_id_column, &$context ) );
+        return apply_filter( 'get_meta_sql', compact( 'join', 'where' ), $meta_query, $meta_type, $primary_table, $primary_id_column, &$context );
 }
 
 /**

wp-includes/pluggable.php

@@ -256 +256 @@
  * @uses apply_filters() Calls 'wp_mail_from_name' hook to get the from address name.
  * @uses apply_filters() Calls 'wp_mail_content_type' hook to get the email content type.
  * @uses apply_filters() Calls 'wp_mail_charset' hook to get the email charset
- * @uses do_action_ref_array() Calls 'phpmailer_init' hook on the reference to
- *              phpmailer object.
+ * @uses do_action() Calls 'phpmailer_init' hook on the phpmailer object.
  * @uses PHPMailer
  * @
  *
@@ -459 +458 @@
                 }
         }
 
-        do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) );
+        do_action( 'phpmailer_init', $phpmailer );
 
         // Send!
         $result = @$phpmailer->Send();

wp-includes/plugin.php

@@ -174 +174 @@
 }
 
 /**
- * Execute functions hooked on a specific filter hook, specifying arguments in an array.
- *
- * @see apply_filters() This function is identical, but the arguments passed to the
- * functions hooked to <tt>$tag</tt> are supplied using an array.
- *
- * @package WordPress
- * @subpackage Plugin
- * @since 3.0.0
- * @global array $wp_filter Stores all of the filters
- * @global array $merged_filters Merges the filter hooks using this function.
- * @global array $wp_current_filter stores the list of current filters with the current one last
- *
- * @param string $tag The name of the filter hook.
- * @param array $args The arguments supplied to the functions hooked to <tt>$tag</tt>
- * @return mixed The filtered value after all hooked functions are applied to it.
- */
-function apply_filters_ref_array($tag, $args) {
-        global $wp_filter, $merged_filters, $wp_current_filter;
-
-        $wp_current_filter[] = $tag;
-
-        // Do 'all' actions first
-        if ( isset($wp_filter['all']) ) {
-                $all_args = func_get_args();
-                _wp_call_all_hook($all_args);
-        }
-
-        if ( !isset($wp_filter[$tag]) ) {
-                array_pop($wp_current_filter);
-                return $args[0];
-        }
-
-        // Sort
-        if ( !isset( $merged_filters[ $tag ] ) ) {
-                ksort($wp_filter[$tag]);
-                $merged_filters[ $tag ] = true;
-        }
-
-        reset( $wp_filter[ $tag ] );
-
-        do {
-                foreach( (array) current($wp_filter[$tag]) as $the_ )
-                        if ( !is_null($the_['function']) )
-                                $args[0] = call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args']));
-
-        } while ( next($wp_filter[$tag]) !== false );
-
-        array_pop( $wp_current_filter );
-
-        return $args[0];
-}
-
-/**
  * Removes a function from a specified filter hook.
  *
  * This function removes a function attached to a specified filter hook. This
@@ -420 +367 @@
 }
 
 /**
- * Execute functions hooked on a specific action hook, specifying arguments in an array.
- *
- * @see do_action() This function is identical, but the arguments passed to the
- * functions hooked to <tt>$tag</tt> are supplied using an array.
- *
- * @package WordPress
- * @subpackage Plugin
- * @since 2.1
- * @global array $wp_filter Stores all of the filters
- * @global array $wp_actions Increments the amount of times action was triggered.
- *
- * @param string $tag The name of the action to be executed.
- * @param array $args The arguments supplied to the functions hooked to <tt>$tag</tt>
- * @return null Will return null if $tag does not exist in $wp_filter array
- */
-function do_action_ref_array($tag, $args) {
-        global $wp_filter, $wp_actions, $merged_filters, $wp_current_filter;
-
-        if ( ! isset($wp_actions) )
-                $wp_actions = array();
-
-        if ( ! isset($wp_actions[$tag]) )
-                $wp_actions[$tag] = 1;
-        else
-                ++$wp_actions[$tag];
-
-        $wp_current_filter[] = $tag;
-
-        // Do 'all' actions first
-        if ( isset($wp_filter['all']) ) {
-                $all_args = func_get_args();
-                _wp_call_all_hook($all_args);
-        }
-
-        if ( !isset($wp_filter[$tag]) ) {
-                array_pop($wp_current_filter);
-                return;
-        }
-
-        // Sort
-        if ( !isset( $merged_filters[ $tag ] ) ) {
-                ksort($wp_filter[$tag]);
-                $merged_filters[ $tag ] = true;
-        }
-
-        reset( $wp_filter[ $tag ] );
-
-        do {
-                foreach( (array) current($wp_filter[$tag]) as $the_ )
-                        if ( !is_null($the_['function']) )
-                                call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args']));
-
-        } while ( next($wp_filter[$tag]) !== false );
-
-        array_pop($wp_current_filter);
-}
-
-/**
  * Check if any action has been registered for a hook.
  *
  * @package WordPress
@@ -678 +567 @@
  * The 'all' hook passes all of the arguments or parameters that were used for
  * the hook, which this function was called for.
  *
- * This function is used internally for apply_filters(), do_action(), and
- * do_action_ref_array() and is not meant to be used from outside those
- * functions. This function does not check for the existence of the all hook, so
- * it will fail unless the all hook exists prior to this function call.
+ * This function is used internally for apply_filters() and do_action()
+ * and is not meant to be used from outside those functions. This function
+ * does not check for the existence of the all hook, so it will fail unless
+ * the all hook exists prior to this function call.
  *
  * @package WordPress
  * @subpackage Plugin

wp-includes/query.php

@@ -1627 +1627 @@
                 if ( '404' == $qv['error'] )
                         $this->set_404();
 
-                do_action_ref_array('parse_query', array(&$this));
+                do_action('parse_query', $this);
         }
 
         /*
@@ -1865 +1865 @@
          *
          * @since 1.5.0
          * @access public
-         * @uses do_action_ref_array() Calls 'pre_get_posts' hook before retrieving posts.
+         * @uses do_action() Calls 'pre_get_posts' hook before retrieving posts.
          *
          * @return array List of posts.
          */
@@ -1874 +1874 @@
 
                 $this->parse_query();
 
-                do_action_ref_array('pre_get_posts', array(&$this));
+                do_action('pre_get_posts', $this);
 
                 // Shorthand.
                 $q = &$this->query_vars;
@@ -2144 +2144 @@
                 }
 
                 // Allow plugins to contextually add/remove/modify the search section of the database query
-                $search = apply_filters_ref_array('posts_search', array( $search, &$this ) );
+                $search = apply_filters( 'posts_search', $search, $this );
 
                 // Taxonomies
                 $this->parse_tax_query( $q );
@@ -2448 +2448 @@
                 // Apply filters on where and join prior to paging so that any
                 // manipulations to them are reflected in the paging by day queries.
                 if ( !$q['suppress_filters'] ) {
-                        $where = apply_filters_ref_array('posts_where', array( $where, &$this ) );
-                        $join = apply_filters_ref_array('posts_join', array( $join, &$this ) );
+                        $where = apply_filters( 'posts_where', $where, $this );
+                        $join = apply_filters( 'posts_join', $join, $this );
                 }
 
                 // Paging
@@ -2482 +2482 @@
                         }
 
                         if ( !$q['suppress_filters'] ) {
-                                $cjoin = apply_filters_ref_array('comment_feed_join', array( $cjoin, &$this ) );
-                                $cwhere = apply_filters_ref_array('comment_feed_where', array( $cwhere, &$this ) );
-                                $cgroupby = apply_filters_ref_array('comment_feed_groupby', array( $cgroupby, &$this ) );
-                                $corderby = apply_filters_ref_array('comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
-                                $climits = apply_filters_ref_array('comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
+                                $cjoin = apply_filters( 'comment_feed_join', $cjoin, $this );
+                                $cwhere = apply_filters( 'comment_feed_where', $cwhere, $this );
+                                $cgroupby = apply_filters( 'comment_feed_groupby', $cgroupby, $this );
+                                $corderby = apply_filters( 'comment_feed_orderby', 'comment_date_gmt DESC', $this );
+                                $climits = apply_filters( 'comment_feed_limits', 'LIMIT ' . get_option('posts_per_rss'), $this );
                         }
                         $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
                         $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
@@ -2514 +2514 @@
                 // Apply post-paging filters on where and join.  Only plugins that
                 // manipulate paging queries should use these hooks.
                 if ( !$q['suppress_filters'] ) {
-                        $where          = apply_filters_ref_array( 'posts_where_paged', array( $where, &$this ) );
-                        $groupby        = apply_filters_ref_array( 'posts_groupby',             array( $groupby, &$this ) );
-                        $join           = apply_filters_ref_array( 'posts_join_paged',  array( $join, &$this ) );
-                        $orderby        = apply_filters_ref_array( 'posts_orderby',             array( $orderby, &$this ) );
-                        $distinct       = apply_filters_ref_array( 'posts_distinct',    array( $distinct, &$this ) );
-                        $limits         = apply_filters_ref_array( 'post_limits',               array( $limits, &$this ) );
-                        $fields         = apply_filters_ref_array( 'posts_fields',              array( $fields, &$this ) );
+                        $where          = apply_filters( 'posts_where_paged', $where, $this );
+                        $groupby        = apply_filters( 'posts_groupby',         $groupby, $this );
+                        $join           = apply_filters( 'posts_join_paged',  $join, $this );
+                        $orderby        = apply_filters( 'posts_orderby',         $orderby, $this );
+                        $distinct       = apply_filters( 'posts_distinct',        $distinct, $this );
+                        $limits         = apply_filters( 'post_limits',           $limits, $this );
+                        $fields         = apply_filters( 'posts_fields',          $fields, $this );
 
                         // Filter all clauses at once, for convenience
-                        $clauses = (array) apply_filters_ref_array( 'posts_clauses', array( compact( $pieces ), &$this ) );
+                        $clauses = (array) apply_filters( 'posts_clauses', compact( $pieces ), $this );
                         foreach ( $pieces as $piece )
                                 $$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : '';
                 }
@@ -2533 +2533 @@
 
                 // Filter again for the benefit of caching plugins.  Regular plugins should use the hooks above.
                 if ( !$q['suppress_filters'] ) {
-                        $where          = apply_filters_ref_array( 'posts_where_request',               array( $where, &$this ) );
-                        $groupby        = apply_filters_ref_array( 'posts_groupby_request',             array( $groupby, &$this ) );
-                        $join           = apply_filters_ref_array( 'posts_join_request',                array( $join, &$this ) );
-                        $orderby        = apply_filters_ref_array( 'posts_orderby_request',             array( $orderby, &$this ) );
-                        $distinct       = apply_filters_ref_array( 'posts_distinct_request',    array( $distinct, &$this ) );
-                        $fields         = apply_filters_ref_array( 'posts_fields_request',              array( $fields, &$this ) );
-                        $limits         = apply_filters_ref_array( 'post_limits_request',               array( $limits, &$this ) );
+                        $where          = apply_filters( 'posts_where_request',         $where, $this );
+                        $groupby        = apply_filters( 'posts_groupby_request',       $groupby, $this );
+                        $join           = apply_filters( 'posts_join_request',          $join, $this );
+                        $orderby        = apply_filters( 'posts_orderby_request',       $orderby, $this );
+                        $distinct       = apply_filters( 'posts_distinct_request',      $distinct, $this );
+                        $fields         = apply_filters( 'posts_fields_request',        $fields, $this );
+                        $limits         = apply_filters( 'post_limits_request',         $limits, $this );
 
                         // Filter all clauses at once, for convenience
-                        $clauses = (array) apply_filters_ref_array( 'posts_clauses_request', array( compact( $pieces ), &$this ) );
+                        $clauses = (array) apply_filters( 'posts_clauses_request', compact( $pieces ), $this );
                         foreach ( $pieces as $piece )
                                 $$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : '';
                 }
@@ -2558 +2558 @@
 
                 $this->request = " SELECT $found_rows $distinct $fields FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
                 if ( !$q['suppress_filters'] )
-                        $this->request = apply_filters_ref_array('posts_request', array( $this->request, &$this ) );
+                        $this->request = apply_filters( 'posts_request', $this->request, $this );
 
                 if ( 'ids' == $q['fields'] ) {
                         $this->posts = $wpdb->get_col($this->request);
@@ -2580 +2580 @@
 
                 // Raw results filter.  Prior to status checks.
                 if ( !$q['suppress_filters'] )
-                        $this->posts = apply_filters_ref_array('posts_results', array( $this->posts, &$this ) );
+                        $this->posts = apply_filters( 'posts_results', $this->posts, $this );
 
                 if ( !empty($this->posts) && $this->is_comment_feed && $this->is_singular ) {
-                        $cjoin = apply_filters_ref_array('comment_feed_join', array( '', &$this ) );
-                        $cwhere = apply_filters_ref_array('comment_feed_where', array( "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this ) );
-                        $cgroupby = apply_filters_ref_array('comment_feed_groupby', array( '', &$this ) );
+                        $cjoin = apply_filters( 'comment_feed_join', '', $this );
+                        $cwhere = apply_filters( 'comment_feed_where', "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", $this );
+                        $cgroupby = apply_filters( 'comment_feed_groupby', '', $this );
                         $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
-                        $corderby = apply_filters_ref_array('comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
+                        $corderby = apply_filters( 'comment_feed_orderby', 'comment_date_gmt DESC', $this );
                         $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
-                        $climits = apply_filters_ref_array('comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
+                        $climits = apply_filters( 'comment_feed_limits', 'LIMIT ' . get_option('posts_per_rss'), $this );
                         $comments_request = "SELECT $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits";
                         $this->comments = $wpdb->get_results($comments_request);
                         $this->comment_count = count($this->comments);
                 }
 
                 if ( !$q['no_found_rows'] && !empty($limits) ) {
-                        $found_posts_query = apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &$this ) );
+                        $found_posts_query = apply_filters( 'found_posts_query', 'SELECT FOUND_ROWS()', $this );
                         $this->found_posts = $wpdb->get_var( $found_posts_query );
-                        $this->found_posts = apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) );
+                        $this->found_posts = apply_filters( 'found_posts', $this->found_posts, $this );
                         $this->max_num_pages = ceil($this->found_posts / $q['posts_per_page']);
                 }
 
@@ -2631 +2631 @@
                         }
 
                         if ( $this->is_preview && current_user_can( $edit_cap, $this->posts[0]->ID ) )
-                                $this->posts[0] = apply_filters_ref_array('the_preview', array( $this->posts[0], &$this ));
+                                $this->posts[0] = apply_filters( 'the_preview', $this->posts[0], $this );
                 }
 
                 // Put sticky posts at the top of the posts array
@@ -2685 +2685 @@
                 }
 
                 if ( !$q['suppress_filters'] )
-                        $this->posts = apply_filters_ref_array('the_posts', array( $this->posts, &$this ) );
+                        $this->posts = apply_filters( 'the_posts', $this->posts, $this );
 
                 $this->post_count = count($this->posts);
 
@@ -2729 +2729 @@
          * @since 1.5.0
          * @access public
          * @uses $post
-         * @uses do_action_ref_array() Calls 'loop_start' if loop has just started
+         * @uses do_action() Calls 'loop_start' if loop has just started
          */
         function the_post() {
                 global $post;
                 $this->in_the_loop = true;
 
                 if ( $this->current_post == -1 ) // loop has just started
-                        do_action_ref_array('loop_start', array(&$this));
+                        do_action('loop_start', $this);
 
                 $post = $this->next_post();
                 setup_postdata($post);
@@ -2749 +2749 @@
          *
          * @since 1.5.0
          * @access public
-         * @uses do_action_ref_array() Calls 'loop_end' if loop is ended
+         * @uses do_action() Calls 'loop_end' if loop is ended
          *
          * @return bool True if posts are available, false if end of loop.
          */
@@ -2757 +2757 @@
                 if ( $this->current_post + 1 < $this->post_count ) {
                         return true;
                 } elseif ( $this->current_post + 1 == $this->post_count && $this->post_count > 0 ) {
-                        do_action_ref_array('loop_end', array(&$this));
+                        do_action('loop_end', $this);
                         // Do some cleaning up after the loop
                         $this->rewind_posts();
                 }
@@ -3482 +3482 @@
  * @since 1.5.0
  *
  * @param object $post Post data.
- * @uses do_action_ref_array() Calls 'the_post'
+ * @uses do_action() Calls 'the_post'
  * @return bool True when finished.
  */
 function setup_postdata($post) {
@@ -3515 +3515 @@
                 $multipage = 0;
         }
 
-        do_action_ref_array('the_post', array(&$post));
+        do_action('the_post', $post);
 
         return true;
 }

wp-includes/rewrite.php

@@ -1562 +1562 @@
                 else
                         $this->rules = array_merge($this->extra_rules_top, $robots_rewrite, $default_feeds, $registration_pages, $root_rewrite, $comments_rewrite, $search_rewrite,  $author_rewrite, $date_rewrite, $post_rewrite, $page_rewrite, $this->extra_rules);
 
-                do_action_ref_array('generate_rewrite_rules', array(&$this));
+                do_action('generate_rewrite_rules', $this);
                 $this->rules = apply_filters('rewrite_rules_array', $this->rules);
 
                 return $this->rules;

wp-includes/script-loader.php

@@ -46 +46 @@
  *
  * @param object $scripts WP_Scripts object.
  */
-function wp_default_scripts( &$scripts ) {
+function wp_default_scripts( $scripts ) {
 
         if ( !$guessurl = site_url() )
                 $guessurl = wp_guess_url();
@@ -453 +453 @@
  *
  * @param object $styles
  */
-function wp_default_styles( &$styles ) {
+function wp_default_styles( $styles ) {
         // This checks to see if site_url() returns something and if it does not
         // then it assigns $guess_url to wp_guess_url(). Strange format, but it works.
         if ( ! $guessurl = site_url() )

wp-includes/user.php

@@ -38 +38 @@
                 $credentials['remember'] = false;
 
         // TODO do we deprecate the wp_authentication action?
-        do_action_ref_array('wp_authenticate', array(&$credentials['user_login'], &$credentials['user_password']));
+        do_action('wp_authenticate', &$credentials['user_login'], &$credentials['user_password']);
 
         if ( '' === $secure_cookie )
                 $secure_cookie = is_ssl();
@@ -531 +531 @@
                         $this->query_where .= " AND $wpdb->users.ID NOT IN ($ids)";
                 }
 
-                do_action_ref_array( 'pre_user_query', array( &$this ) );
+                do_action( 'pre_user_query', $this );
         }
 
         /**

wp-includes/widgets.php

@@ -270 +270 @@
                         $return = $this->form($instance);
                         // add extra fields in the widget form - be sure to set $return to null if you add any
                         // if the widget has no form the text echoed from the default form method can be hidden using css
-                        do_action_ref_array( 'in_widget_form', array(&$this, &$return, $instance) );
+                        do_action( 'in_widget_form', $this, &$return, $instance );
                 }
                 return $return;
         }