3v4l.org

run code in 300+ PHP versions simultaneously
<?php foreach(mcrypt_list_algorithms() as $alg) { printf("\n%20s:", $alg); foreach(mcrypt_list_modes() as $mode) { $mc = @mcrypt_module_open($alg, null, $mode, null); if(is_resource($mc)) echo "\t$mode"; else echo "\t!!FAIL!!:$mode"; } } echo "\n";

preferences:
34.96 ms | 402 KiB | 5 Q