* Added templatelinks table. The table currently represents a literal list of templat...

[lhc/web/wiklou.git] / includes / GlobalFunctions.php

diff --git a/includes/GlobalFunctions.php b/includes/GlobalFunctions.php
index 60f56ea..bae7751 100644 (file)
--- a/includes/GlobalFunctions.php
+++ b/includes/GlobalFunctions.php
@@ -90,6 +90,24 @@ if( !function_exists( 'floatval' ) ) {
        }
 }
 
+if ( !function_exists( 'array_diff_key' ) ) {
+       /**
+        * Exists in PHP 5.1.0+
+        * Not quite compatible, two-argument version only
+        * Null values will cause problems due to this use of isset()
+        */
+       function array_diff_key( $left, $right ) {
+               $result = $left;
+               foreach ( $left as $key => $value ) {
+                       if ( isset( $right[$key] ) ) {
+                               unset( $result[$key] );
+                       }
+               }
+               return $result;
+       }
+}
+
+
 /**
  * Where as we got a random seed
  * @var bool $wgTotalViews