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Caching for get_categories
git-svn-id: http://svn.automattic.com/wordpress/trunk@4519 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -30,6 +30,11 @@ function &get_categories($args = '') {
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$r['number'] = (int) $r['number'];
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extract($r);
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$key = md5( serialize( $r ) );
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if ( $cache = wp_cache_get( 'get_categories', 'category' ) )
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if ( isset( $cache[ $key ] ) )
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return $cache[ $key ];
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$where = 'cat_ID > 0';
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$inclusions = '';
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if ( !empty($include) ) {
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@ -119,9 +124,20 @@ function &get_categories($args = '') {
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}
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reset ( $categories );
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$cache[ $key ] = $categories;
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wp_cache_set( 'get_categories', $cache, 'category' );
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return apply_filters('get_categories', $categories, $r);
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}
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function delete_get_categories_cache() {
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wp_cache_delete('get_categories', 'category');
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}
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add_action( 'wp_insert_post', 'delete_get_categories_cache' );
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add_action( 'edit_category', 'delete_get_categories_cache' );
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add_action( 'add_category', 'delete_get_categories_cache' );
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add_action( 'delete_category', 'delete_get_categories_cache' );
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// Retrieves category data given a category ID or category object.
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// Handles category caching.
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function &get_category(&$category, $output = OBJECT) {
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