- var_dump: documentation ( source)
- bin2hex: documentation ( source)
<?php
var_dump(
bin2hex(mcrypt_encrypt(MCRYPT_DES, 'key12345', 'data'."\1", MCRYPT_MODE_ECB, '')),
bin2hex(openssl_encrypt('data', 'des-ecb', 'key12345', OPENSSL_RAW_DATA, ''))
);