Preloader Script

This is a simple image preloading script I created in PHP for my own site. It basically reads the media file types of your choice, from a folder that you specify into an array.

The benefit this small script has for me is that I can add or remove images from my media folder and not have to update my HTML code...!

Source Code

  1. <?php
  2. function loadMedia($directory)
  3. {
  4. 	$thumbnail = '';
  5. 	$thumbnails = array();
  6.  
  7. 	if($handle = dir($directory))
  8. 	{
  9. 		while(false !== ($thumbnail = $handle->read()))
  10. 		{
  11. 			if(preg_match('/.(png|gif|jpe?g)$/i',$thumbnail))
  12. 			{
  13. 				$thumbnails[] = "'/$directory$thumbnail'";
  14. 			}
  15. 		}
  16.  
  17. 		$handle->close();
  18. 	}
  19.  
  20. 	unset($handle,$directory,$thumbnail);
  21.  
  22. 	return $thumbnails;
  23. }
  24.  
  25. $preloaded = $thumbnail = '';
  26. $thumbnails = array();
  27. $thumbnails = loadMedia('media/');
  28.  
  29. foreach($thumbnails as $image)
  30. {
  31. 	$thumbnail .= $image.',';
  32. }
  33.  
  34. $preloaded = substr($thumbnail,0,-1);
  35. ?>
  36. <body onload="javascript:MM_preloadImages(<?php echo $preloaded; ?>);">

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