hax0r.php

<?php

// php hax0r.php "witam" | pbcopy

$alphabet = [
    'a' => '/-\\',
    'b' => '|3',
    'c' => '(',
    'd' => '|)',
    'e' => 'E',
    'f' => '|=',
    'g' => 'G',
    'h' => '|-|',
    'i' => '|',
    'j' => 'J',
    'k' => '|<',
    'l' => '|_',
    'm' => '|\/|',
    'n' => '|\|',
    'o' => '()',
    'p' => 'P',
    'r' => '|2',
    's' => '5',
    't' => 'T',
    'u' => '|_|',
    'w' => '\/\/',
    'x' => '><',
    'y' => '`//',
    'z' => 'Z'
];

foreach (str_split($argv[1]) as $c) {
    echo $alphabet[strtolower($c)] ?? $c;
}

echo "\n";