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run code in 300+ PHP versions simultaneously
<?php $crypt = crypt('test', '$2y$04$012345678901234567890123456789'); $test = (substr($crypt, 0, 3) === '$2y'); var_dump($test, $crypt);
Output for 5.3.7 - 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 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(true) string(60) "$2y$04$012345678901234567890ucc5bGQuWj9jBLq9V.ZeBcinDF5AZTAS"
Output for 5.3.2 - 5.3.6
bool(false) string(13) "$2rcByx51ejoM"
Output for 5.3.0 - 5.3.1
bool(false) string(13) "$2vU67iv49YBo"
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

Process exited with code 139.

preferences:
286.74 ms | 402 KiB | 386 Q