3v4l.org

run code in 300+ PHP versions simultaneously
<?php $handle = 0; $c = 8; $i= sprintf('%0'.($c).'d',0); echo $i; if ('' !== ($p=@$i[7])) { echo '/'.$p; } else { echo 'whoops'; } var_dump(json_encode(null));
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
00000000/0string(4) "null"
preferences:
215.47 ms | 404 KiB | 248 Q