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Caching for get_categories

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git-svn-id: http://svn.automattic.com/wordpress/trunk@4519 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
matt 2006-11-23 16:52:42 +00:00
parent 64b8121680
commit e05b055337
1 changed files with 16 additions and 0 deletions
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16
wp-includes/category.php
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@ -30,6 +30,11 @@ function &get_categories($args = '') {
$r['number'] = (int) $r['number']; $r['number'] = (int) $r['number'];
extract($r); 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'; $where = 'cat_ID > 0';
$inclusions = ''; $inclusions = '';
if ( !empty($include) ) { if ( !empty($include) ) {
@ -119,9 +124,20 @@ function &get_categories($args = '') {
} }
reset ( $categories ); reset ( $categories );
$cache[ $key ] = $categories;
wp_cache_set( 'get_categories', $cache, 'category' );
return apply_filters('get_categories', $categories, $r); return apply_filters('get_categories', $categories, $r);
} }
function delete_get_categories_cache() {
wp_cache_delete('get_categories', 'category');
}
add_action( 'wp_insert_post', 'delete_get_categories_cache' );
add_action( 'edit_category', 'delete_get_categories_cache' );
add_action( 'add_category', 'delete_get_categories_cache' );
add_action( 'delete_category', 'delete_get_categories_cache' );
// Retrieves category data given a category ID or category object. // Retrieves category data given a category ID or category object.
// Handles category caching. // Handles category caching.
function &get_category(&$category, $output = OBJECT) { function &get_category(&$category, $output = OBJECT) {