3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(md5('QNKCDZO')); echo md5('QNKCDZO'); echo (md5('QNKCDZO') . "1");
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(32) "0e830400451993494058024219903391" 0e8304004519934940580242199033910e8304004519934940580242199033911

preferences:
286.51 ms | 406 KiB | 371 Q