leet password generator

leetpassphrasegenerator.php

<?php

function leetTransform($word) {
    $result = "";
    $vowels = ['a', 'i', 'o', 'u'];

    foreach (str_split($word) as $c) {
        if ($c === '-') {
            $result .= '-'; // keep dash as-is
        } elseif (strtolower($c) === 'e') {
            $result .= '3';
        } elseif (in_array(strtolower($c), $vowels)) {
            $result .= strtolower($c); // vowels stay lowercase
        } else {
            $result .= strtoupper($c); // consonants -> uppercase
        }
    }

    return $result;
}


$words = ["dreamed", "big", "stumbled", "often", "never", "stopped"];


// Apply randomCase to each word
$randomized = array_map("leetTransform", $words);

// Join them back with dashes
$passphrase = implode("-", $randomized);
$passphrase .= '!!';
echo $passphrase . PHP_EOL;