trick0005.php

function get_remote_file_size($url) {

$headers = get_headers($url, 1);
    
if (isset($headers['Content-Length'])) 
       return $headers['Content-Length'];
    
    //checks for lower case "L" in Content-length:
if (isset($headers['Content-length'])) 
       return $headers['Content-length'];


}

function get_remote_file_size($url) {

 $headers = get_headers($url, 1);
    
    if (isset($headers['Content-Length'])) 
       return $headers['Content-Length'];
    
    //checks for lower case "L" in Content-length:
    if (isset($headers['Content-length'])) 
       return $headers['Content-length'];

//the code below runs if no "Content-Length" header is found:


    $c = curl_init();
    curl_setopt_array($c, array(
        CURLOPT_URL => $url,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_HTTPHEADER => array('User-Agent: Mozilla/5.0 
        (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.1.3) 
        Gecko/20090824 Firefox/3.5.3'),
        ));
    curl_exec($c);
    
    $size = curl_getinfo($c, CURLINFO_SIZE_DOWNLOAD);
    
    return $size;
        
    curl_close($c);

}




include('simple_html_dom.php');

$URL = $argv[1];

// Create DOM from URL or file
$html = file_get_html($URL);

// find all images!!
foreach($html->find('img') as $element){

	   $size = get_remote_file_size($element->src);
		
	   $totalSize = $totalSize + $size; 	
	   
	   $totalNumResources += 1;

	   /*
	   echo "Total Size So Far: $totalSize.\n"; 
	   
	   echo "total resources: $totalNumResources .\n"; 

           echo "IMAGE SIZE: $size.\n";

           echo "$element->src.\n";
       */
}

// find all CSS files
foreach($html->find('link') as $element)
{
    if (strpos($element->href,'.css') !== false) {

	   $size = retrieve_remote_file_size($element->href);
	   
	    echo "SIZE: $size.\n";

	    $totalSize = $totalSize + $size; 
	   	   
	    $totalNumResources += 1;
     }
}

// find all script tags
foreach($html->find('script') as $element)
{
  //make sure this is javascript
  if (strpos($element->src,'.js') !== false) {
    $size = get_remote_file_size($element->src);
	  
     echo " Javascript SIZE: $size.\n"; 

     $totalSize = $totalSize + $size; 		
	  	   
      $totalNumResources += 1;
   }
}