Ticket #12827: 12827-corrected.diff

post.php

@@ -671 +671 @@
  * @param mixed $post Optional. Post object or post ID.
  * @return bool|string post type or false on failure.
  */
-function get_post_type($post = false) {
-        global $posts;
+function get_post_type($the_post = false) {
+        global $posts, $post;
 
-        if ( false === $post )
-                $post = $posts[0];
-        elseif ( (int) $post )
-                $post = get_post($post, OBJECT);
+        if ( false === $the_post )
+                $the_post = $post;
+        elseif ( (int) $the_post )
+                $the_post = get_post($the_post, OBJECT);
 
-        if ( is_object($post) )
-                return $post->post_type;
+        if ( is_object($the_post) )
+                return $the_post->post_type;
 
         return false;
 }