3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = '406429c28f5c28f6'; unpack('d', strrev(($data));
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.30
Parse error: syntax error, unexpected ';' in /in/XHCpJ on line 4
Process exited with code 255.
preferences:
202.66 ms | 1395 KiB | 67 Q