3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo $a = 'stackoverflow'; echo '<br>'; echo $b = '$2a$10$bf57caf7e1fa23e4b975ab'; echo '<br>CRYPT:<br>'; echo crypt($a, $b);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 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 - 8.3.7
stackoverflow<br>$2a$10$bf57caf7e1fa23e4b975ab<br>CRYPT:<br>$2a$10$bf57caf7e1fa23e4b975aOhXjTtYrqOYLfHsxdOxGRhF03.LtKewW
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
stackoverflow<br>$2a$10$bf57caf7e1fa23e4b975ab<br>CRYPT:<br>
Process exited with code 139.
preferences:
207.98 ms | 402 KiB | 331 Q