--TEST-- Check for libsodium bin2hex --SKIPIF-- <?php if (!extension_loaded("sodium")) print "skip"; ?> --FILE-- <?php $bin = random_bytes(random_int(1, 1000)); $hex = sodium_bin2hex($bin); $phphex = bin2hex($bin); var_dump(strcasecmp($hex, $phphex)); $bin2 = sodium_hex2bin($hex); var_dump($bin2 === $bin); $bin2 = sodium_hex2bin('[' . $hex .']', '[]'); var_dump($bin2 === $bin); ?> --EXPECT-- int(0) bool(true) bool(true)