3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(pack('H', 'd5'))
Output for 5.4.0 - 5.4.25, 5.5.0 - 5.5.9
Parse error: syntax error, unexpected end of file in /in/6gr2e on line 1
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected $end in /in/6gr2e on line 1
Process exited with code 255.
preferences:
166.86 ms | 1395 KiB | 72 Q