Changeset 10711

Timestamp:

03/04/2009 10:59:16 PM (16 years ago)

Author:

ryan

Message:

Check for empty meta keys. Props Denis-de-Bernardy, markedwards. fixes #7953

File:

• trunk/wp-includes/post.php (modified) (6 diffs)

trunk/wp-includes/post.php

@@ -511 +511 @@
  */
 function add_post_meta($post_id, $meta_key, $meta_value, $unique = false) {
+    if ( !$meta_key )
+        return false;
+    
     global $wpdb;
 
@@ -559 +562 @@
     $meta_value = maybe_serialize( stripslashes_deep($meta_value) );
 
+    if ( !$meta_key )
+        return false;
+    
     if ( empty( $meta_value ) )
         $meta_id = $wpdb->get_var( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = %s", $post_id, $meta_key ) );
@@ -590 +596 @@
  */
 function get_post_meta($post_id, $key, $single = false) {
+    if ( !$key )
+        return '';
+    
     $post_id = (int) $post_id;
 
@@ -638 +647 @@
     $meta_key = stripslashes($meta_key);
 
+    if ( !$meta_key )
+        return false;
+    
     if ( ! $wpdb->get_var( $wpdb->prepare( "SELECT meta_key FROM $wpdb->postmeta WHERE meta_key = %s AND post_id = %d", $meta_key, $post_id ) ) ) {
         return add_post_meta($post_id, $meta_key, $meta_value);
@@ -667 +679 @@
  */
 function delete_post_meta_by_key($post_meta_key) {
+    if ( !$post_meta_key )
+        return false;
+    
     global $wpdb;
     if ( $wpdb->query($wpdb->prepare("DELETE FROM $wpdb->postmeta WHERE meta_key = %s", $post_meta_key)) ) {
@@ -740 +755 @@
  */
 function get_post_custom_values( $key = '', $post_id = 0 ) {
+    if ( !$key )
+        return null;
+    
     $custom = get_post_custom($post_id);