3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array('key1' => 'value1'); $key = 'key1'; var_dump($arr[$key]); var_dump($arr{$key});
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(6) "value1" string(6) "value1"