PHP Download file

Set_time_limit (0); 
Supports all file types 
//URLs here: 
$url = ' http://somsite.com/some_video.flv '; 
$pi = PathInfo ($url); 
$ext = $pi [' extension ']; 
$name = $pi [' filename ']; 

Create a new CURL resource 
$ch = Curl_init (); 

Set URL and other appropriate options 
curl_setopt ($ch, Curlopt_url, $url); 
curl_setopt ($ch, Curlopt_header, false); 
curl_setopt ($ch, Curlopt_binarytransfer, true); 
curl_setopt ($ch, Curlopt_autoreferer, true); 
curl_setopt ($ch, curlopt_followlocation, true); 
curl_setopt ($ch, Curlopt_returntransfer, true); 

Grab URL and pass it to the browser 
$opt = curl_exec ($ch); 

Close CURL resource, with free up system 
curl_close ($ch); 

$saveFile = $name. $ext; 
if (Preg_match ("/[^0-9a-z._-]/i", $saveFile)) 
    $saveFile = MD5 (Microtime (TRUE)). $ext; 

$handle = fopen ($saveFile, ' WB '); 
Fwrite ($handle, $opt); 
Fclose ($handle);