3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(hex2bin('0xe07861bbcaf39ad54a0b85389a9f08886997f8cafffe871b8569c2fcf3293bcc')); var_dump(bin2hex('e07861bbcaf39ad54a0b85389a9f08886997f8cafffe871b8569c2fcf3293bcc'));
preferences:
39.33 ms | 402 KiB | 5 Q