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Preg_match a link?


sphinx
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Hello,

 

I'm looking to preg_match a link from another website, I want to match it because the actual link changes at random times, so I want to header redirect the returned link so it works regardless of any changes,

 

In the source of the website, the block I need to copy is:

 

 

 

<a style="margin: 5px 5px 5px 5px; background: url(/images/buttons/continue2.png) no-repeat; display: block; text-indent: -40000px; width: 110px; height: 37px;" href="i need to copy the link found in this box" target="_blank" >Continue</a> 
 

This area of the source seems to be unique so it wouldn't collide with any other code.

 

Thank you

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Here's something I used to use longgggg ago if you want it, its not preg_match but it gets the job done.

 

    
function get_string_between($string, $start, $end) {
     $string = " ".$string;
     $ini = strpos($string,$start);
     if ($ini == 0)
          return "";
     $ini += strlen($start);
     $len = strpos($string,$end,$ini) - $ini;
     return substr($string,$ini,$len);
}
 

 

 
$curl= curl_init();
curl_setopt($curl, CURLOPT_URL, '(PUT YOUR LINK HERE)';
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
$data = curl_exec($curl); 
$Info = get_string_between($data, '<span>', '</span>');
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