3v4l.org

run code in 300+ PHP versions simultaneously
<?php function hex($me){ for($_i = 0; $_i < strlen($me); $_i += 2){ $w = substr($me, $_i, ($_i + 2)); print $w; } } $string = "1b2f190ad705d7c2afcac45447a31b053fada0c4"; hex($string);
Output for 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
1b2f19190ad70ad705d7d705d7c2af05d7c2afcac4d7c2afcac45447c2afcac45447a31bafcac45447a31b053fcac45447a31b053fada0c45447a31b053fada0c45447a31b053fada0c447a31b053fada0c4a31b053fada0c41b053fada0c4053fada0c43fada0c4ada0c4a0c4c4
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 1b2f19190ad70ad705d7d705d7c2af05d7c2afcac4d7c2afcac45447c2afcac45447a31bafcac45447a31b053fcac45447a31b053fada0c45447a31b053fada0c45447a31b053fada0c447a31b053fada0c4a31b053fada0c41b053fada0c4053fada0c43fada0c4ada0c4a0c4c4
preferences:
213.58 ms | 402 KiB | 216 Q