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run code in 300+ PHP versions simultaneously
<?php $x = "test\0something"; $y = "test\0anything"; $salt = '$2y$04$sdlkfjsd2lkf4h6zldf35ksj252gh'; var_dump(crypt($x, $salt), crypt($y, $salt));
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.3.4, 8.3.6
string(60) "$2y$04$sdlkfjsd2lkf4h6zldf35eEtrNJW.GuYuYAAiCXUZ8cTgbqJ5uZ1q" string(60) "$2y$04$sdlkfjsd2lkf4h6zldf35eEtrNJW.GuYuYAAiCXUZ8cTgbqJ5uZ1q"
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 string(60) "$2y$04$sdlkfjsd2lkf4h6zldf35eEtrNJW.GuYuYAAiCXUZ8cTgbqJ5uZ1q" string(60) "$2y$04$sdlkfjsd2lkf4h6zldf35eEtrNJW.GuYuYAAiCXUZ8cTgbqJ5uZ1q"

preferences:
254.09 ms | 402 KiB | 385 Q