<?php

/**
 * @name		RAVATAR Random Avatar
 * @author 		lordfrikk
 * @copyright 	2008
 */

function file_ext($filename) // by Abhinandan Jain
{
        return strtolower(str_replace(".", "", strrchr($filename, ".")));
}

$dir = dir('./avatars');

clearstatcache();

while ($file = $dir->read()):
	if (file_ext($file) == ('jpg' || 'jpeg' || 'gif' || 'png')):
		$files[] = $file;
	endif;
endwhile;

$dir->close();

srand((double) microtime() * 1000000);

$ravatar 	= $files[mt_rand(0, count($files)-1)]; 
$filepath 	= sprintf('%s/%s', $dir->path, $ravatar);

$im 	= imagecreatefromstring(file_get_contents($filepath));
$ext	= file_ext($ravatar);

switch ($ext):
	case 'jpg':
		header('Content-type: image/jpeg');
		imageJPEG($im);
	break;
	case 'jpeg':
		header('Content-type: image/jpeg');
		imageJPEG($im);
	break;
	case 'gif':
		header('Content-type: image/gif');
		imageGIF($im);
	break;
	case 'png':
		header('Content-type: image/png');
		imagePNG($im);
	break;
endswitch;

?>