iamcal/unstuck.php

## unstuck.php
<html>
<head>
<title>Unstuck</title>
<style>

#main {
	text-align: left;
	margin: 30px auto;
	width: 760px;
}

</style>
</head>
<body>

<div id="main">

<h1>Unstuck</h1>

<?php
	if ($_POST['text']){

		$lines = array();
		$raw = explode("\n", $_POST['text']);
		foreach ($raw as $l){
			if (preg_match('!^([A-Z]{2}): (.*)$!', trim($l), $m)){
				echo translate_line($m[1], $m[2]).'<br />';
			}else{
				echo HtmlSpecialChars(trim($l)).'<br />';
			}
		}

		echo "<hr />";
	}


	function translate_line($who, $line){

		$color = '#000';
		$map = array();
		$lower = false;

		if ($who == 'TA'){
			$map = array(
				'1' => 'i',
				'2' => 's',
				'4' => 'a',
				'ii' => 'i',
				'II' => 'I',
				'two' => 'to',
			);
			$color = '#a1a100';
		}

		if ($who == 'GC'){
			$map = array(
				'1' => 'i',
				'2' => 's',
				'3' => 'e',
				'4' => 'a',
			);
			$color = '#008282';
			$lower = true;
		}

		if ($who == 'AA'){
			$map = array(
				'0' => 'o',
			);
			$color = '#a10000';
		}

		if ($who == 'CG'){
			$lower = true;
			$color = '#626262';
		}

		$line = str_replace(array_keys($map), $map, $line);

		if ($lower) $line = preg_replace('!\b([a-zA-Z]+)\b!e', 'strtolower("$1")', $line);

		$line = preg_replace('!\b(i)(d|m|ve)\b!', 'I\'$2', $line);
		$line = preg_replace("!\bi(\b|')!", 'I$2', $line);
		$line = ucfirst($line);
		$line = preg_replace('!\b(aa|gc|ta)\b!e', 'strtoupper($1)', $line);

		echo "<span style=\"color: {$color}\">$who: ".HtmlSpecialChars($line)."</span>";
	}

?>

<form action="./" method="post">
<textarea name="text" style="width: 100%; height: 200px;" wrap="virtual"><?php echo HtmlSpecialChars($_POST['text']); ?></textarea>
<input type="submit" value="unstick" />
</form>

</div>

</body>
</html>
	<html>
	<head>
	<title>Unstuck</title>
	<style>

	#main {
	text-align: left;
	margin: 30px auto;
	width: 760px;
	}

	</style>
	</head>
	<body>

	<div id="main">

	<h1>Unstuck</h1>

	<?php
	if ($_POST['text']){

	$lines = array();
	$raw = explode("\n", $_POST['text']);
	foreach ($raw as $l){
	if (preg_match('!^([A-Z]{2}): (.*)$!', trim($l), $m)){
	echo translate_line($m[1], $m[2]).'<br />';
	}else{
	echo HtmlSpecialChars(trim($l)).'<br />';
	}
	}

	echo "<hr />";
	}


	function translate_line($who, $line){

	$color = '#000';
	$map = array();
	$lower = false;

	if ($who == 'TA'){
	$map = array(
	'1' => 'i',
	'2' => 's',
	'4' => 'a',
	'ii' => 'i',
	'II' => 'I',
	'two' => 'to',
	);
	$color = '#a1a100';
	}

	if ($who == 'GC'){
	$map = array(
	'1' => 'i',
	'2' => 's',
	'3' => 'e',
	'4' => 'a',
	);
	$color = '#008282';
	$lower = true;
	}

	if ($who == 'AA'){
	$map = array(
	'0' => 'o',
	);
	$color = '#a10000';
	}

	if ($who == 'CG'){
	$lower = true;
	$color = '#626262';
	}

	$line = str_replace(array_keys($map), $map, $line);

	if ($lower) $line = preg_replace('!\b([a-zA-Z]+)\b!e', 'strtolower("$1")', $line);

	$line = preg_replace('!\b(i)(d\|m\|ve)\b!', 'I\'$2', $line);
	$line = preg_replace("!\bi(\b\|')!", 'I$2', $line);
	$line = ucfirst($line);
	$line = preg_replace('!\b(aa\|gc\|ta)\b!e', 'strtoupper($1)', $line);

	echo "<span style=\"color: {$color}\">$who: ".HtmlSpecialChars($line)."</span>";
	}

	?>

	<form action="./" method="post">
	<textarea name="text" style="width: 100%; height: 200px;" wrap="virtual"><?php echo HtmlSpecialChars($_POST['text']); ?></textarea>
	<input type="submit" value="unstick" />
	</form>

	</div>

	</body>
	</html>