Changeset 22347

Timestamp:

10/31/2012 09:39:23 PM (12 years ago)

Author:

markjaquith

Message:

When receiving a HEAD request, die() right before we start outputting content.

• Content doesn't make sense for HEAD requests
• Saves wear and tear on the server
• Introduces a filter: exit_on_http_head (we send TRUE through it)

fixes #14348. props mbijon, mitchoyoshitaka.

File:

• trunk/wp-includes/template-loader.php (modified) (1 diff)

trunk/wp-includes/template-loader.php

@@ -6 +6 @@
 if ( defined('WP_USE_THEMES') && WP_USE_THEMES )
     do_action('template_redirect');
+
+/**
+ * Halt template load for HEAD requests. Performance bump by eliminating output
+ *
+ * @since 3.5.0
+ */
+if ( 'HEAD' === $_SERVER['REQUEST_METHOD'] && apply_filters( 'exit_on_http_head', true ) )
+        exit();
 
 // Process feeds and trackbacks even if not using themes.