How can a PHP developer handle situations where an external site has a Framekiller-Script in place?

When an external site has a Framekiller-Script in place, it prevents the site from being displayed within an iframe on another site. To handle this situation as a PHP developer, you can use cURL to fetch the external site's content and then display it on your site without using an iframe. 

$url = 'https://www.externalsite.com';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$output = curl_exec($ch);
curl_close($ch);

echo $output;

Keywords

PHP Framekiller-Script iframe header X-Frame-Options

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