Changeset 15838 for trunk/wp-includes/functions.php

Timestamp:

10/18/2010 09:06:49 PM (14 years ago)

Author:

scribu

Message:

Fix custom post type feed when no regular posts present. Props aaroncampbell for initial patch. Fixes #14922

File:

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

trunk/wp-includes/functions.php

@@ -278 +278 @@
         return true;
     return false;
+}
+
+/**
+ * Generates a unique key from an argument
+ * 
+ * @since 3.1
+ *
+ * @param mixed $arg
+ * @return string
+ */
+function wp_cache_key( $arg ) {
+    if ( is_scalar( $arg ) )
+        return md5( $arg );
+
+    $arg = (array) $arg;
+    sort( $arg );
+
+    return md5( serialize( $arg ) );
 }