Replace create_function which will be deprecated in PHP 7.2

1 files changed, 2 insertions, 4 deletions

diff --git a/it.class b/it.class
index c0d26d7..34f0bf6 100644
--- a/it.class
+++ b/it.class
@@ -954,13 +954,11 @@ static function date($format = "", $stamp = null)
  */
 static function map($code, $array, $p = null)
 {
-	static $cache = array();
-
 	if (is_string($code) && it::match('^[\w:]+$', $code) && is_callable($code))
 		$code .= '($v)';
 
-	if (!is_callable($func = $code) && !($func = $cache[$code]))
-		$func = $cache[$code] = create_function('$k,$v', "return $code;");
+	if (!is_callable($func = $code) && !function_exists($func = "_it_map_" . md5($code)))
+		eval("function $func(\$k, \$v) { return $code; }");	# Anonymous functions/closures are slower than this (PHP 7.1)
 
 	$result = is_array($array) ? $array : iterator_to_array($array);
 	foreach (isset($p['keys']) ? it::filter_keys($array, $p['keys']) : $array as $k => $v)