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<?php
function getURLMetadata($url) {
//allow only http(s) and (s)ftp
$protocols = '/^[hs]{0,1}[tf]{0,1}tp[s]{0,1}\:\/\//i';
//if not (allowed) protocol is given, assume http
if(preg_match($protocols, $url) == 0) {
$url = 'http://' . $url;
}
$metadata['url'] = $url;
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$page = curl_exec($ch);
curl_close($ch);
@preg_match( "/<title>(.*)<\/title>/si", $page, $match );
$metadata['title'] = htmlspecialchars_decode(@$match[1]);
$meta = get_meta_tags($url);
if(array_key_exists('description', $meta)) {
$metadata['description'] = $meta['description'];
}
return $metadata;
}
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