Rooster Parser for Gepro Osi (school 507) with changes

parser.php

<?php
//note: this uses an external dom library
include('simple_html_dom.php');

$dag = $_GET["d"];
$l = $_GET["l"];
$r = $_GET["r"];

if(empty($dag) || empty($l) || empty($r)){
	return;
}else{
	if($dag == "1"){
		$dag = '{"maandag":[';
		$count = 0;
	}else if($dag == "2"){
		$dag = '{"dinsdag":[';
		$count = 1;
	}else if($dag == "3"){
		$dag = '{"woensdag":[';
		$count = 2;
	}else if($dag == "4"){
		$dag = '{"donderdag":[';
		$count = 3;
	}else if($dag == "5"){
		$dag = '{"vrijdag":[';
		$count = 4;
	}else{
		$dag = '{"maandag":[';
		$count = 1;
	}
}

$l = urlencode($l);
$r = urlencode($r);

$url = 'http://roosters5.gepro-osi.nl/roosters/rooster.php?leerling='.$l.'&type=Leerlingrooster&afdeling='.$r.'&wijzigingen=1&school=507';

//$url = 'http://roosters5.gepro-osi.nl/roosters/rooster.php?klassen%5B%5D=nH3a&type=Klasrooster&wijzigingen=1&school=507'; 
//werkt blijkbaar ook voor klassen :P

$ch = curl_init();
curl_setopt($ch, CURLOPT_USERAGENT, "Googlebot/2.1 (http://www.googlebot.com/bot.html)");
curl_setopt($ch, CURLOPT_URL,$url);
curl_setopt($ch, CURLOPT_FAILONERROR, true);
curl_setopt($ch, CURLOPT_AUTOREFERER, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
$html = curl_exec($ch);

$dom = str_get_html($html);

$roostertable = $dom->find('tr td[class=tableCell] table');

$af = ']}';

$counter = 0;

for($i = $count; $i<50; $i=$i+5){

	$counter++;

	$uurnummer = ($i/5)+1;
	$uurnummer = floor($uurnummer);

	$uur = $roostertable[$i];
	$data = $uur->find('tr td');
	$leraar = $data[0];
	$lokaal = $data[2];
	$vak = $data[4];
	$cluster = $data[5];

	$class = $leraar->class;

	if($class == 'tableCellNew'){
		$status = 'wijziging';
	}else if($class == 'tableCellRemoved'){
		$status = 'uitval';
	}else{
		$status = 'normaal';
	}

	if($counter !== 10){
		$dag .= '{"'.$uurnummer.'":[{"status":"'.$status.'","leraar":"'.$leraar.'","lokaal":"'.$lokaal.'","vak":"'.$vak.'","cluster":"'.$cluster.'"}]},';
	}else{
		$dag .= '{"'.$uurnummer.'":[{"status":"'.$status.'","leraar":"'.$leraar.'","lokaal":"'.$lokaal.'","vak":"'.$vak.'","cluster":"'.$cluster.'"}]}';
		$dag .= $af;
	}
}

echo $dag;