Download Dynamic Download Links

$file_url = 'https://webapi.vivotek.com/api/DownloadCenter/Download/global?p1=B96CdIFf5Mh4r7e%2B3jGe1g==&p2=j199RdC0wOvZ8pPmTck8Tg==';
$file_ext 	= 	pathinfo($file_url, PATHINFO_EXTENSION); // to get extension
$file_name 	=	pathinfo($file_url, PATHINFO_FILENAME); 

echo $file_ext, '<br />';echo $file_name;


	$curl = curl_init();
		$headers = array();

		curl_setopt($curl, CURLOPT_URL, $file_url);
		curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($curl, CURLOPT_TIMEOUT, 50);
		curl_setopt($curl, CURLOPT_HEADERFUNCTION, function($curl, $header) use (&$headers) {
		    $len = strlen($header);
		    $header = explode(':', $header, 2);
		    if (count($header) < 2) // ignore invalid headers
		      return $len;

		    $headers[strtolower(trim($header[0]))][] = trim($header[1]);

		    return $len;
		});
		curl_setopt($curl, CURLOPT_VERBOSE, 1);
		curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)');
		
		//curl_setopt($curl, CURLOPT_BINARYTRANSFER, 1);
		//curl_setopt($curl, CURLOPT_FILE, $file);
		//curl_setopt($curl, CURLOPT_HEADER, 1);

		
		$response = curl_exec($curl);
		

		$header_size = curl_getinfo($curl, CURLINFO_HEADER_SIZE);
		//$header = substr($response, 0, $header_size);
		$body = substr($response, $header_size);
		curl_close($curl);
		preg_match('/.*filename=[\'\"]?([^\"]+)/', $headers['content-disposition'][0], $matches);
		if(array_key_exists(1, $matches)) {
			
			$params = explode('.', $matches[1]);
			$file_ext = array_pop($params);
			$filename = implode('',$params);
			echo $filename,' ', $file_ext;			
		}

$file_url = 'https://webapi.vivotek.com/api/DownloadCenter/Download/global?p1=B96CdIFf5Mh4r7e%2B3jGe1g==&p2=j199RdC0wOvZ8pPmTck8Tg==';

$file_ext = pathinfo($file_url, PATHINFO_EXTENSION); // to get extension

$file_name = pathinfo($file_url, PATHINFO_FILENAME);

echo $file_ext, '<br />';echo $file_name;

$curl = curl_init();

$headers = array();

curl_setopt($curl, CURLOPT_URL, $file_url);

curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

curl_setopt($curl, CURLOPT_TIMEOUT, 50);

curl_setopt($curl, CURLOPT_HEADERFUNCTION, function($curl, $header) use (&$headers) {

$len = strlen($header);

$header = explode(':', $header, 2);

if (count($header) < 2) // ignore invalid headers

return $len;

$headers[strtolower(trim($header[0]))][] = trim($header[1]);

return $len;

});

curl_setopt($curl, CURLOPT_VERBOSE, 1);

curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)');

//curl_setopt($curl, CURLOPT_BINARYTRANSFER, 1);

//curl_setopt($curl, CURLOPT_FILE, $file);

//curl_setopt($curl, CURLOPT_HEADER, 1);

$response = curl_exec($curl);

$header_size = curl_getinfo($curl, CURLINFO_HEADER_SIZE);

//$header = substr($response, 0, $header_size);

$body = substr($response, $header_size);

curl_close($curl);

preg_match('/.*filename=[\'\"]?([^\"]+)/', $headers['content-disposition'][0], $matches);

if(array_key_exists(1, $matches)) {

$params = explode('.', $matches[1]);

$file_ext = array_pop($params);

$filename = implode('',$params);

echo $filename,' ', $file_ext;

}

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