From d71b682cc69bd5f3aafb52d6861b750fb0e22a39 Mon Sep 17 00:00:00 2001
From: Sam Reed <reedy@users.mediawiki.org>
Date: Sat, 23 Jan 2010 22:31:37 +0000
Subject: [PATCH] Refactor array_intersect_key from ApiResult.php to
 GlobalFunctions.php

---
 includes/GlobalFunctions.php | 31 +++++++++++++++++++++++++++++++
 includes/api/ApiResult.php   | 28 ----------------------------
 2 files changed, 31 insertions(+), 28 deletions(-)

diff --git a/includes/GlobalFunctions.php b/includes/GlobalFunctions.php
index b8916c2fe7..219df38678 100644
--- a/includes/GlobalFunctions.php
+++ b/includes/GlobalFunctions.php
@@ -190,6 +190,37 @@ if ( !function_exists( 'array_diff_key' ) ) {
 	}
 }
 
+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 ) {
diff --git a/includes/api/ApiResult.php b/includes/api/ApiResult.php
index 58cfd7d27d..e2355db3c8 100644
--- a/includes/api/ApiResult.php
+++ b/includes/api/ApiResult.php
@@ -315,31 +315,3 @@ class ApiResult extends ApiBase {
 		return __CLASS__ . ': $Id$';
 	}
 }
-
-/* For compatibility with PHP versions < 5.1.0, define our own array_intersect_key function. */
-if ( !function_exists( 'array_intersect_key' ) ) {
-	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;
-		}
-	}
-}
-- 
2.20.1