PHP Hash - Generate hash from command line

phphash.php

#!/usr/bin/env php
<?php

array_shift($argv);
$password = $argv[0];
$algo = $argv[1] ?? 'md5';

if (empty($argv)) {
    die(vsprinf("Usage: %s\n%s\n%s", [
        'phphash',
        '{string}: The string to hash',
        '{algo}: Hash algo to use, defaults to md5 (see: hash_algos())', 
    ]));
}

if (false === in_array($algo, hash_algos())) {
    die(vsprintf('Invalid algo %s, available algos are: %s', [
        $algo,
        implode(', ', hash_algos()),
    ]));
}

echo hash($algo, $password);
exit;