Ticket #21258: 21258.diff

src/wp-admin/includes/ajax-actions.php

@@ -146 +146 @@
 
         $results = get_terms( $taxonomy, array( 'name__like' => $s, 'fields' => 'names', 'hide_empty' => false ) );
 
+        /**
+         * Filter the already added tags to a post/page.
+         * @since 4.0.0
+         */
+        if ( isset( $_GET['addedTags'] ) ) {
+
+                foreach ( $results as $key => $value ) {
+                        if ( in_array( $value, $_GET['addedTags'] ) ) {
+                                unset( $results[$key] );
+                        }
+                }
+        }
+
         echo join( $results, "\n" );
         wp_die();
 }

src/wp-includes/js/jquery/suggest.js

@@ -118 +118 @@
 
                                 } else {
 
-                                        $.get(options.source, {q: q}, function(txt) {
+                                        if ( $('.tagchecklist span').length !== 0 ) {
+
+                                                var addedTags = [];
+
+                                                $('.tagchecklist span').each( function(span){
+                                                        var spanContent = $(this).html();
+
+                                                        spanContent = spanContent.split( ' ' ).pop();
+
+                                                        addedTags.push( spanContent );
+
+                                                });
+                                        }
+
+                                        $.get(options.source, {q: q, addedTags: addedTags}, function(txt) {
 
                                                 $results.hide();