3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('prefix' => ''); $isset = isset($array['prefix']); var_dump($isset)
Output for 7.1.0 - 7.1.15, 7.2.0 - 7.2.3
Parse error: syntax error, unexpected end of file in /in/WFDbu on line 5
Process exited with code 255.
preferences:
168.69 ms | 1395 KiB | 27 Q