Leetspeak Generator

leet.php

<?php

header('Content-type: text/plain; charset=utf8');

$input = "hab me eben nen leet-speak generator geschrieben..";

$words = array(
	'one' => 1,
	'to' => 2,
	'too' => 2,
	'drei' => 3,
	'for' => 4,
	'acht' => 8,
	'eight' => 8,
	'aite' => 8,
	'ate' => 8,
	'nine' => 9,
	'nein' => 9
);

$chars = array(
	'A' => array('4', '@', '/\\', '/-\\', '?', '^', 'α', 'λ'),
	'B' => array('8', '|3', 'ß', 'l³', '|>', '13', 'I3'),
	'C' => array('(', '[', '<', '©', '¢'),
	'D' => array('|)', '|]', 'Ð', 'đ', '1)'),
	'E' => array('3', '€', '&', '£', 'ε'),
	'F' => array('|=', 'PH', '|*|-|', '|"', 'ƒ', 'l²'),
	'G' => array('6', '&, 9'),
	'H' => array('4', '|-|', '#', '}{', ']-[', '/-/', ')-('),
	'I' => array('!', '1', '|', ']['),
	'J' => array('_|', '¿'),
	'K' => array('|<', '|{', '|(', 'X'),
	'L' => array('1', '|_', '£', '|', '][_'),
	'M' => array('/\\/\\', '/v\\', '|V|', ']V[', '|\\/|', 'AA', '[]V[]', '|11', '/|\\', '^^', '(V),|Y|'),
	'N' => array('|\\|', '/\\/', '/V', '|V', '/\\/', '|1', '2', '?', '(\\), 11'),
	'O' => array('0', '9', '()', '[]', '*', '°', '<>', 'ø', '{[]}'),
	'P' => array('|°', 'p', '|>', '|*', '[]D', '][D', '|²', '|?', '|D'),
	'Q' => array('0_', '0,'),
	'R' => array('2', '|2', '1², ®', '?', 'я, 12, .-'),
	'S' => array('5', '$', '§', '?', 'ŝ', 'ş'),
	'T' => array('7', '+', '†', '\'][\'', '|'),
	'U' => array('|_|', 'µ', '[_]', 'v'),
	'V' => array('\\/', '|/', '\\|', '\\\''),
	'W' => array('\\/\\/', 'VV', '\\A/', '\\\'', 'uu', '\\^/', '\\|/'),
	'X' => array('><', ')(', '}{', '%', '?', '×', ']['),
	'Y' => array('`/', '°/', '9', '¥'),
	'Z' => array('z', '2', '"/_'),
	'Ä' => array('43', '°A°', '°4°'),
	'Ö' => array('03', '°O°'),
	'Ü' => array('|_|3', '°U°')
);

$leet = strtoupper($input);
$leet = str_replace(array_keys($words), array_values($words), $leet);

$leet = str_split($leet);
foreach ($leet as $i => $c) {
	if (isset($chars[$c]))
		$leet[$i] = $chars[$c][array_rand($chars[$c])];
}

$leet = implode('', $leet);

echo $leet;