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- <?php
- $folder = '.';
- $extList = array();
- $extList['gif'] = 'image/gif';
- $extList['jpg'] = 'image/jpeg';
- $extList['jpeg'] = 'image/jpeg';
- $extList['png'] = 'image/png';
- $img = null;
- if (substr($folder,-1) != '/') {
- $folder = $folder.'/';
- }
- if (isset($_GET['img'])) {
- $imageInfo = pathinfo($_GET['img']);
- if (
- isset( $extList[ strtolower( $imageInfo['extension'] ) ] ) &&
- file_exists( $folder.$imageInfo['basename'] )
- ) {
- $img = $folder.$imageInfo['basename'];
- }
- } else {
- $fileList = array();
- $handle = opendir($folder);
- while ( false !== ( $file = readdir($handle) ) ) {
- $file_info = pathinfo($file);
- if (
- isset( $extList[ strtolower( $file_info['extension'] ) ] )
- ) {
- $fileList[] = $file;
- }
- }
- closedir($handle);
- if (count($fileList) > 0) {
- $imageNumber = time() % count($fileList);
- $img = $folder.$fileList[$imageNumber];
- }
- }
- if ($img!=null) {
- $imageInfo = pathinfo($img);
- $contentType = 'Content-type: '.$extList[ $imageInfo['extension'] ];
- header ($contentType);
- readfile($img);
- } else {
- if ( function_exists('imagecreate') ) {
- header ("Content-type: image/png");
- $im = @imagecreate (100, 100)
- or die ("Cannot initialize new GD image stream");
- $background_color = imagecolorallocate ($im, 255, 255, 255);
- $text_color = imagecolorallocate ($im, 0,0,0);
- imagestring ($im, 2, 5, 5, "IMAGE ERROR", $text_color);
- imagepng ($im);
- imagedestroy($im);
- }
- }
- ?>
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