Script to check if a domain is banned from Adsense program or not

//helper function
//file_get_contents using curl
function file_get_contents_curl($url, $referer="")
    {
    $header_list=array('Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7',
	'Accept: application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5',
	'Accept-Language: en-US,en;q=0.8');
 
	$ualist=array(
	'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.2; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0)',
	'Mozilla/5.0 (X11; Linux i686) AppleWebKit/534.23 (KHTML, like Gecko) Ubuntu/10.04 Chromium/11.0.688.0 Chrome/11.0.688.0 Safari/534.23',
	'Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.14) Gecko/20110221 Ubuntu/10.04 (lucid) Firefox/3.6.14 GTB7.1',
	'Opera/9.80 (X11; Linux i686; U; en) Presto/2.7.62 Version/11.01',
	'Midori/0.2.2 (X11; Linux i686; U; en-us) WebKit/531.2+',
	'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:15.0) Gecko/20100101 Firefox/15.0',
	'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1150.1 Iron/20.0.1150.1 Safari/536.11'
	);
 
	$ch = curl_init();
	//curl_setopt($ch, CURLOPT_HEADER, 0); //not requesting header
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); //Set curl to return the data instead of printing it to the browser.
    if ($referer!="") curl_setopt($ch, CURLOPT_REFERER, $url);
	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_USERAGENT, $ualist[rand(0, count($ualist)-1)]);
	curl_setopt($ch, CURLOPT_HTTPHEADER, $header_list);
	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
	curl_setopt($ch, CURLOPT_TIMEOUT,60);
	$data = curl_exec($ch);
	curl_close($ch);
 
	return $data;
}
 
//another helper function
function cut_str($str, $left, $right) {
    $str = substr ( stristr ( $str, $left ), strlen ( $left ) );
    $leftLen = strlen ( stristr ( $str, $right ) );
    $leftLen = $leftLen ? - ($leftLen) : strlen ( $str );
    $str = substr ( $str, 0, $leftLen );
    return $str;
}
 
//main function
function is_banned($url, $ad_type='text', $format='160x600') {
	$base_url='http://pagead2.googlesyndication.com/pagead/ads?adtest=on&client=ca-skdhfksdhfksdjksjd&random='.rand(1000, 10000000).'&url='.urlencode($url).'&gl=default&ad_type='.$ad_type.'&format='.$format;
 
	$raw=file_get_contents_curl($base_url);
 
	if (strpos($raw, 'id=ads')===FALSE) {
		return TRUE; //is truly banned from Adsense
	} else {
		//get advertisers
		$ads_part=explode('<li', cut_str($raw, '<ul', '</ul>'));
		//var_dump($ads_part);
		$advertisers=array();
		for($i=1;$i<=(count($ads_part)-1);$i++){
			$advertisers[$i-1]=array(
				'url'=>cut_str($ads_part[$i], 'adurl=', '"'),
				'title'=>htmlspecialchars_decode(cut_str($ads_part[$i], '<span>', '</span>')),
				'desc'=>htmlspecialchars_decode(strip_tags(cut_str($ads_part[$i], '<div class=adb >', '</div>')))
			);
		}
 
		return $advertisers;
	}
}

$ads=is_banned("mp32u.net");
 
//check if banned
if (!is_array($ads)) {
    //woops the domain is BANNED
    //do something here
} else {
    //it's not banned
    //you can show possible advertisers URL
    for ($i=0; $i<=count($ads)-1; $i++) {
        //loop through $ads
        //do something, can be shown to table or something
        //$ads[$i]['url'];
        //$ads[$i]['title'];
        //$ads[$i]['desc'];
    }
}  //end if

array(2) {
  [0]=>
  array(3) {
    ["url"]=>
    string(28) "http://www2.itt-tech.edu/mgs"
    ["title"]=>
    string(24) "ITT Tech - Official Site"
    ["desc"]=>
    string(62) "Convenient Schedules, Over 130 Locations. Browse New Programs."
  }
  [1]=>
  array(3) {
    ["url"]=>
    string(532) "http://537.xg4ken.com/media/redir.php%3Fprof%3D78%26camp%3D1325%26affcode%3Dcr654548%26cid%3D12788267592%7C491716%7C%26mType%3D%26networkType%3Dcontent%26url%5B%5D%3Dhttp%253A%252F%252Finformation.keller.edu%252Fus%252Fmba-cpa%253Fvc%253D166148%2526agid%253D0078x28874%2526cmpid%253Dctd-Keller-GG%2526utm_source%253Dgoogle%2526utm_medium%253Dcpc%2526utm_term%253D%2526utm_content%253D12788267592%2526utm_campaign%253DAccounting-%252520Content_VC%25253D166148_MT%25253DCTP%2526sc_1%253D0078S001325GGCTP%2526sc_2%253D_kenshoo_clickid_"
    ["title"]=>
    string(22) "Keller Graduate School"
    ["desc"]=>
    string(67) "Prepare For Success w/ Keller's Accounting Master's Degree."
  }
}