Kill 5.0.x compat functions, we require 5.1+ anyway

diff --git a/includes/GlobalFunctions.php b/includes/GlobalFunctions.php
index 833a0e1..ef40ef4 100644 (file)
--- a/includes/GlobalFunctions.php
+++ b/includes/GlobalFunctions.php
@@ -172,54 +172,6 @@ if( !function_exists( 'mb_strrpos' ) ) {
        }
 }
 
-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 => $unused ) {
-                       if ( isset( $right[$key] ) ) {
-                               unset( $result[$key] );
-                       }
-               }
-               return $result;
-       }
-}
-
-if ( !function_exists( 'array_intersect_key' ) ) {
-       /**
-       * Exists in 5.1.0+
-       * Define our own array_intersect_key function
-       */
-       function array_intersect_key( $isec, $keys ) {
-               $argc = func_num_args();
-
-               if ( $argc > 2 ) {
-                       for ( $i = 1; $isec && $i < $argc; $i++ ) {
-                               $arr = func_get_arg( $i );
-
-                               foreach ( array_keys( $isec ) as $key ) {
-                                       if ( !isset( $arr[$key] ) )
-                                               unset( $isec[$key] );
-                               }
-                       }
-
-                       return $isec;
-               } else {
-                       $res = array();
-                       foreach ( array_keys( $isec ) as $key ) {
-                               if ( isset( $keys[$key] ) )
-                                       $res[$key] = $isec[$key];
-                       }
-
-                       return $res;
-               }
-       }
-}
-
 // Support for Wietse Venema's taint feature
 if ( !function_exists( 'istainted' ) ) {
        function istainted( $var ) {