Ticket #18692: post.php.diff

wp-includes/post.php

@@ -2554 +2554 @@
         // expected_slashed (everything!)
         $data = compact( array( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_content_filtered', 'post_title', 'post_excerpt', 'post_status', 'post_type', 'comment_status', 'ping_status', 'post_password', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_parent', 'menu_order', 'guid' ) );
         $data = apply_filters('wp_insert_post_data', $data, $postarr);
+        if ( is_wp_error ( $data ) ) {
+                if ( $wp_error )
+                        return $data;
+                else
+                        return 0;
+        }
         $data = stripslashes_deep( $data );
         $where = array( 'ID' => $post_ID );
+        
+        // categories
+        $post_category = apply_filters( 'wp_insert_post_category', $post_category );
+        if ( is_wp_error ( $post_category ) ) {
+                if ( $wp_error )
+                        return $post_category;
+                else
+                        return 0;
+        }
+        // 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 && 'auto-draft' != $post_status )
+                        $post_category = array( get_option( 'default_category' ) );
+                else
+                        $post_category = array();
+        }
+        // old-style tags_input
+        if ( !empty( $tags_input ) ) {
+                $tags_input = apply_filters( 'wp_insert_post_tags', $tags_input );
+        }
+        if ( is_wp_error ( $tags_input ) ) {
+                if ( $wp_error )
+                        return $tags_input;
+                else
+                        return 0;
+        }
+        // new-style support for all tag-like taxonomies
+        $tax_input = apply_filters( 'wp_insert_post_tax', empty( $tax_input ) ? array() : $tax_input );
+        if ( is_wp_error ( $tax_input ) ) {
+                if ( $wp_error )
+                        return $tax_input;
+                else
+                        return 0;
+        }
 
         if ( $update ) {
                 do_action( 'pre_post_update', $post_ID );