public function do_curl($url)
{
if (function_exists("curl_init")) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
$content = curl_exec($ch);
curl_close($ch);
return $content;
} else {
return file_get_contents($url);
}
}