comparison vendor/zendframework/zend-stdlib/src/ArrayUtils.php @ 16:c2387f117808

Routine composer update

 
         return $a;
     }
 
     /**
-     * Compatibility Method for array_filter on <5.6 systems
+     * @deprecated Since 3.2.0; use the native array_filter methods
      *
      * @param array $data
      * @param callable $callback
      * @param null|int $flag
      * @return array
+     * @throws Exception\InvalidArgumentException
      */
     public static function filter(array $data, $callback, $flag = null)
     {
         if (! is_callable($callback)) {
             throw new Exception\InvalidArgumentException(sprintf(
                 'Second parameter of %s must be callable',
                 __METHOD__
             ));
         }
 
-        if (version_compare(PHP_VERSION, '5.6.0') >= 0) {
-            return array_filter($data, $callback, $flag);
-        }
-
-        $output = [];
-        foreach ($data as $key => $value) {
-            $params = [$value];
-
-            if ($flag === static::ARRAY_FILTER_USE_BOTH) {
-                $params[] = $key;
-            }
-
-            if ($flag === static::ARRAY_FILTER_USE_KEY) {
-                $params = [$key];
-            }
-
-            $response = call_user_func_array($callback, $params);
-            if ($response) {
-                $output[$key] = $value;
-            }
-        }
-
-        return $output;
+        return array_filter($data, $callback, $flag);
     }
 }