X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2FGlobalFunctions.php;h=2090d90cb746eb78c7fe8e756d09901260ba402a;hb=016452cd09f4b32100f4fa3740168c5fc161d496;hp=c6ccf31e631cff338a418fa931083ef54c60277d;hpb=586dc66ddda1ee3645c3f5c70c532bc0300c1f52;p=lhc%2Fweb%2Fwiklou.git

diff --git a/includes/GlobalFunctions.php b/includes/GlobalFunctions.php
index c6ccf31e63..2090d90cb7 100644
--- a/includes/GlobalFunctions.php
+++ b/includes/GlobalFunctions.php
@@ -203,6 +203,38 @@ function wfArrayDiff2_cmp( $a, $b ) {
 	}
 }
 
+/**
+ * Like array_filter with ARRAY_FILTER_USE_BOTH, but works pre-5.6.
+ *
+ * @param array $arr
+ * @param callable $callback Will be called with the array value and key (in that order) and
+ *   should return a bool which will determine whether the array element is kept.
+ * @return array
+ */
+function wfArrayFilter( array $arr, callable $callback ) {
+	if ( defined( 'ARRAY_FILTER_USE_BOTH' ) ) {
+		return array_filter( $arr, $callback, ARRAY_FILTER_USE_BOTH );
+	}
+	$filteredKeys = array_filter( array_keys( $arr ), function ( $key ) use ( $arr, $callback ) {
+		return call_user_func( $callback, $arr[$key], $key );
+	} );
+	return array_intersect_key( $arr, array_fill_keys( $filteredKeys, true ) );
+}
+
+/**
+ * Like array_filter with ARRAY_FILTER_USE_KEY, but works pre-5.6.
+ *
+ * @param array $arr
+ * @param callable $callback Will be called with the array key and should return a bool which
+ *   will determine whether the array element is kept.
+ * @return array
+ */
+function wfArrayFilterByKey( array $arr, callable $callback ) {
+	return wfArrayFilter( $arr, function ( $val, $key ) use ( $callback ) {
+		return call_user_func( $callback, $key );
+	} );
+}
+
 /**
  * Appends to second array if $value differs from that in $default
  *