Changeset 37479 for trunk/src/wp-includes/post.php

Timestamp:

05/21/2016 05:26:55 PM (7 years ago)

Author:

boonebgorges

Message:

Cache queries in get_page_by_path().

Props spacedmonkey.
Fixes #36711.

File:

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

trunk/src/wp-includes/post.php

@@ -4232 +4232 @@
     global $wpdb;
 
+    $last_changed = wp_cache_get( 'last_changed', 'posts' );
+    if ( false === $last_changed ) {
+        $last_changed = microtime();
+        wp_cache_set( 'last_changed', $last_changed, 'posts' );
+    }
+
+    $hash = md5( $page_path . serialize( $post_type ) );
+    $cache_key = "get_page_by_path:$hash:$last_changed";
+    $cached = wp_cache_get( $cache_key, 'posts' );
+    if ( false !== $cached ) {
+        // Special case: '0' is a bad `$page_path`.
+        if ( '0' === $cached || 0 === $cached ) {
+            return;
+        } else {
+            return get_post( $cached );
+        }
+    }
+
     $page_path = rawurlencode(urldecode($page_path));
     $page_path = str_replace('%2F', '/', $page_path);
@@ -4285 +4303 @@
         }
     }
+
+    // We cache misses as well as hits.
+    wp_cache_set( $cache_key, $foundid, 'posts' );
 
     if ( $foundid ) {