--TEST-- Test BCRYPT with invalid algorithm --FILE-- <?php var_dump(crypt("test", "$23$04$1234567890123456789012345")); var_dump(crypt("test", "$20$04$1234567890123456789012345")); var_dump(crypt("test", "$2g$04$1234567890123456789012345")); ?> --EXPECTF-- string(2) "*0" string(2) "*0" string(2) "*0"