3v4l.org

run code in 300+ PHP versions simultaneously
<?php $testStr = 'hello world!'; echo base64_encode(hash('sha256', $testStr, true));
Output for 7.1.0 - 7.1.33, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
dQnlvaDHYtK6x/kNdYtbImP6Acy8VCq1498WO+CObKk=
preferences:
116.7 ms | 1600 KiB | 4 Q