Google parser

header('Content-type: text/html; charset=windows-1251');
$url = "https://www.google.com.ua/search?q=php&num=25"; 
$ch = curl_init(); 
curl_setopt($ch, CURLOPT_URL,$url); 
curl_setopt($ch, CURLOPT_USERAGENT, ""); 
curl_setopt($ch, CURLOPT_FAILONERROR, 1); 
curl_setopt($ch, CURLOPT_HEADER, 0); 
curl_setopt($ch, CURLOPT_REFERER, "http://www.google.com.ua/"); 
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); 
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1); 
curl_setopt($ch, CURLOPT_TIMEOUT, 30); 
curl_setopt($ch, CURLOPT_POST, 0); 
 
$data_url = curl_exec($ch); 
 
preg_match_all('/<h3 class="r"><a href="\/url\?q=(.+?)&amp/is', urldecode($data_url), $matches_url); 
preg_match_all('/<h3 class="r">(<a href="\/url.+?)<\/h3>/is', $data_url, $matches_title); 
preg_match_all('/<span class="st">(.+?)<\/span><br>/is',$data_url, $matches_description); 
 
function getArray($matches){
    return array_slice(explode("[separator]", strip_tags(implode("[separator]",$matches))),0, 20); 
}
 
$url_array = $matches_url[1]; 
 
$final_array['titles'] = getArray($matches_title[0]);
$final_array['descriptions'] = getArray($matches_description[0]); 
$final_array['urls'] = array_slice($url_array, 0 ,20);