Ticket #4138: cache_add.diff

wp-includes/bookmark.php

@@ -136 +136 @@
         $results = $wpdb->get_results($query);
 
         $cache[ $key ] = $results;
-        wp_cache_set( 'get_bookmarks', $cache, 'bookmark' );
+        wp_cache_add( 'get_bookmarks', $cache, 'bookmark' );
 
         return apply_filters('get_bookmarks', $results, $r);
 }

wp-includes/category.php

@@ -8 +8 @@
 
         if ( ! $cat_ids = wp_cache_get('all_category_ids', 'category') ) {
                 $cat_ids = $wpdb->get_col("SELECT cat_ID FROM $wpdb->categories");
-                wp_cache_set('all_category_ids', $cat_ids, 'category');
+                wp_cache_add('all_category_ids', $cat_ids, 'category');
         }
 
         return $cat_ids;
@@ -139 +139 @@
         reset ( $categories );
 
         $cache[ $key ] = $categories;
-        wp_cache_set( 'get_categories', $cache, 'category' );
+        wp_cache_add( 'get_categories', $cache, 'category' );
 
         $categories = apply_filters('get_categories', $categories, $r);
         return $categories;
@@ -160 +160 @@
                 $category = (int) $category;
                 if ( ! $_category = wp_cache_get($category, 'category') ) {
                         $_category = $wpdb->get_row("SELECT * FROM $wpdb->categories WHERE cat_ID = '$category' LIMIT 1");
-                        wp_cache_set($category, $_category, 'category');
+                        wp_cache_add($category, $_category, 'category');
                 }
         }
 

wp-includes/post.php

@@ -1012 +1012 @@
 
         if ( ! $page_ids = wp_cache_get('all_page_ids', 'pages') ) {
                 $page_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_type = 'page'");
-                wp_cache_set('all_page_ids', $page_ids, 'pages');
+                wp_cache_add('all_page_ids', $page_ids, 'pages');
         }
 
         return $page_ids;
@@ -1055 +1055 @@
                                         return get_post($_page, $output);
                                 // Potential issue: we're not checking to see if the post_type = 'page'
                                 // So all non-'post' posts will get cached as pages.
-                                wp_cache_set($_page->ID, $_page, 'pages');
+                                wp_cache_add($_page->ID, $_page, 'pages');
                         }
                 }
         }

wp-includes/general-template.php

@@ -635 +635 @@
         ob_end_clean();
         echo $output;
         $cache[ $key ] = $output;
-        wp_cache_set( 'get_calendar', $cache, 'calendar' );
+        wp_cache_add( 'get_calendar', $cache, 'calendar' );
 }
 
 function delete_get_calendar_cache() {

wp-includes/functions.php

@@ -229 +229 @@
 
                         if( is_object( $row) ) { // Has to be get_row instead of get_var because of funkiness with 0, false, null values
                                 $value = $row->option_value;
-                                wp_cache_set($setting, $value, 'options');
+                                wp_cache_add($setting, $value, 'options');
                         } else { // option does not exist, so we must cache its non-existence
                                 $notoptions[$setting] = true;
                                 wp_cache_set('notoptions', $notoptions, 'options');
@@ -294 +294 @@
                 $alloptions = array();
                 foreach ( (array) $alloptions_db as $o )
                         $alloptions[$o->option_name] = $o->option_value;
-                wp_cache_set('alloptions', $alloptions, 'options');
+                wp_cache_add('alloptions', $alloptions, 'options');
         }
         return $alloptions;
 }