Improve code

- using call_user_func to avoid PHP bug https://bugs.php.net/bug.php?id=68475
- improve regexp documentation
- add more excluded files to gitattributes

1 files changed, 1 insertions, 2 deletions

diff --git a/src/Modifier/MapIterator.php b/src/Modifier/MapIterator.php
index 436cb99..cedc95b 100644
--- a/src/Modifier/MapIterator.php
+++ b/src/Modifier/MapIterator.php
@@ -50,8 +50,7 @@ class MapIterator extends IteratorIterator
     public function current()
     {
         $iterator = $this->getInnerIterator();
-        $callable = $this->callable;
 
-        return $callable($iterator->current(), $iterator->key(), $iterator);
+        return call_user_func($this->callable, $iterator->current(), $iterator->key(), $iterator);
     }
 }