3v4l.org

run code in 300+ PHP versions simultaneously
<?php function insecureMd5Kdf($message, $raw = false) { $bytes = md5($message, true); $output = ''; for ($i = 0; $i < 16; ++$i) { $int = ord($bytes[$i]) & 127; $output .= pack('C', $int); } if (!$raw) { return bin2hex($output); } return $output; } var_dump(insecureMd5Kdf('apple'));
Output for 5.6.38 - 5.6.40, 7.0.33, 7.1.0 - 7.1.30, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
string(32) "1f38703e274f6c4933631a0c6728157f"

preferences:
103.26 ms | 408 KiB | 5 Q