Pretty Print dans vos pages PHP :

function prettyprint($equ) {
	if (!extension_loaded("curl"))
		dl("curl");
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, "http://prettyprint.free.fr/index.php");
	curl_setopt($ch, CURLOPT_HEADER, false);
	curl_setopt($ch, CURLOPT_POST, true);
	curl_setopt($ch, CURLOPT_POSTFIELDS, "equ=".urlencode($equ));
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
	$url = curl_exec($ch);
	curl_close($ch);
	$url = strtr($url, "<>'\"", "    ");
	if (ereg(".*/[^\.]*\.([0-9]*)\..*", $url, $regs))
		$v_align = " style=\"vertical-align:-${regs[1]}px\" ";
	else $v_align = "";
	return "<img src=\"$url\"${v_align}>";
}