3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array('key' => null); var_dump(isset($arr[$key]))
Output for 5.4.0 - 5.4.17
Parse error: syntax error, unexpected end of file in /in/baAhT on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected $end in /in/baAhT on line 6
Process exited with code 255.