Split post and page caches.
git-svn-id: https://develop.svn.wordpress.org/trunk@2479 602fd350-edb4-49c9-b593-d223f7449a82
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@ -575,6 +575,43 @@ function &get_post(&$post, $output = OBJECT) {
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}
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}
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// Retrieves page data given a page ID or page object.
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// Handles page caching.
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function &get_page(&$page, $output = OBJECT) {
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global $page_cache, $wpdb;
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if ( empty($page) ) {
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if ( isset($GLOBALS['page']) )
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$page = & $GLOBALS['page'];
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else
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$page = null;
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} elseif (is_object($page) ) {
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if (! isset($page_cache[$page->ID]))
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$page_cache[$page->ID] = &$page;
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$page = & $page_cache[$page->ID];
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} else {
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if ( isset($GLOBALS['page']) && ($page == $GLOBALS['page']->ID) )
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$page = & $GLOBALS['page'];
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elseif (isset($page_cache[$page]))
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$page = & $page_cache[$page];
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else {
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$query = "SELECT * FROM $wpdb->posts WHERE ID=$page";
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$page_cache[$page] = & $wpdb->get_row($query);
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$page = & $page_cache[$page];
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}
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}
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if ( $output == OBJECT ) {
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return $page;
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} elseif ( $output == ARRAY_A ) {
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return get_object_vars($page);
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} elseif ( $output == ARRAY_N ) {
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return array_values(get_object_vars($page));
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} else {
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return $page;
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}
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}
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// Retrieves category data given a category ID or category object.
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// The category cache is fully populated by the blog header, so we don't
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// have to worry with managing it here.
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@ -1046,7 +1083,7 @@ function remove_action($tag, $function_to_remove, $priority = 10, $accepted_args
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}
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function get_page_uri($page_id) {
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$page = get_post($page_id);
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$page = get_page($page_id);
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$uri = urldecode($page->post_name);
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// A page cannot be it's own parent.
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@ -1055,7 +1092,7 @@ function get_page_uri($page_id) {
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}
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while ($page->post_parent != 0) {
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$page = get_post($page->post_parent);
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$page = get_page($page->post_parent);
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$uri = urldecode($page->post_name) . "/" . $uri;
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}
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@ -1102,6 +1139,17 @@ function update_post_cache(&$posts) {
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}
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}
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function update_page_cache(&$pages) {
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global $page_cache;
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if ( !$pages )
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return;
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for ($i = 0; $i < count($pages); $i++) {
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$page_cache[$pages[$i]->ID] = &$pages[$i];
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}
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}
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function update_post_category_cache($post_ids) {
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global $wpdb, $category_cache, $cache_categories;
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@ -251,7 +251,7 @@ function the_meta() {
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//
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function &get_pages($args = '') {
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global $wpdb, $cache_pages;
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global $wpdb, $page_cache;
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parse_str($args, $r);
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@ -281,11 +281,11 @@ function &get_pages($args = '') {
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"$exclusions " .
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"ORDER BY " . $r['sort_column'] . " " . $r['sort_order']);
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// Update cache.
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update_post_cache($pages);
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if ( empty($pages) )
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$pages = array();
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return array();
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// Update cache.
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update_page_cache($pages);
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return $pages;
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}
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