Changeset 4519

Timestamp:

11/23/06 16:52:42 (2 years ago)

Author:

matt

Message:

Caching for get_categories

Files:

• trunk/wp-includes/category.php (modified) (2 diffs)

trunk/wp-includes/category.php

@@ -30 +30 @@
-    $r['number'] = (int) $r['number'];
-    extract($r);
+
+    $key = md5( serialize( $r ) );
+    if ( $cache = wp_cache_get( 'get_categories', 'category' ) )
+        if ( isset( $cache[ $key ] ) )
+            return $cache[ $key ];
-
-    $where = 'cat_ID > 0';
@@ -120 +125 @@
-    reset ( $categories );
-
+    $cache[ $key ] = $categories;
+    wp_cache_set( 'get_categories', $cache, 'category' );
+
-    return apply_filters('get_categories', $categories, $r);
-}
+
+function delete_get_categories_cache() {
+    wp_cache_delete('get_categories', 'category');
+}
+add_action( 'wp_insert_post', 'delete_get_categories_cache' );
+add_action( 'edit_category', 'delete_get_categories_cache' );
+add_action( 'add_category', 'delete_get_categories_cache' );
+add_action( 'delete_category', 'delete_get_categories_cache' );
-
-// Retrieves category data given a category ID or category object.