Ticket #13246: 14438.diff

wp-includes/post.php

@@ -2084 +2089 @@
         if ( empty($post_type) )
                 $post_type = 'post';
 
-        if ( !empty($post_category) )
-                $post_category = array_filter($post_category); // Filter out empty terms
-
-        // Make sure we set a valid category.
-        if ( empty($post_category) || 0 == count($post_category) || !is_array($post_category) ) {
-                // 'post' requires at least one category.
-                if ( 'post' == $post_type )
-                        $post_category = array( get_option('default_category') );
-                else
-                        $post_category = array();
-        }
-
         if ( empty($post_author) )
                 $post_author = $user_ID;
 
@@ -2566 +2559 @@
         $post_ID = (int) $post_ID;
         $post_type = get_post_type( $post_ID );
         // If $post_categories isn't already an array, make it one:
-        if ( !is_array($post_categories) || 0 == count($post_categories) || empty($post_categories) ) {
+        if ( !is_array($post_categories) || empty($post_categories) ) {
                 if ( 'post' == $post_type )
                         $post_categories = array( get_option('default_category') );
                 else
                         $post_categories = array();
-        } else if ( 1 == count($post_categories) && '' == $post_categories[0] ) {
+        } else if ( 1 == count($post_categories) && '' == reset($post_categories) ) {
                 return true;
         }