| 
<?php
require ("class.imagens.php");
 
 $thumb = new imagens;
 $thumb->img_w        =    80; // pixels
 $thumb->img_h        =    80; // pixels
 $thumb->img_arquivo     =     'real-path-to-file.jpg';
 $thumb->img_pos_x    =    "center";
 $thumb->img_pos_y    =    "center";
 
 $thumb->salvar         = true;
 $thumb->salvar_diretorio = 'cache/';
 $thumb->salvar_nome     = $thumb->img_arquivo;
 
 $url_file_ext = explode('.', $thumb->img_arquivo);
 $url_file_ext = end($url_file_ext);
 $url_file_ext = strtolower($url_file_ext);
 
 switch ($url_file_ext) {
 case 'gif':
 header('Content-type: image/gif');
 break;
 case 'png':
 header('Content-type: image/png');
 break;
 default:
 header('Content-type: image/jpeg');
 break;
 }
 $expires = 60*60*24*365;//(1 dia)
 header("Pragma: public");
 header("Cache-Control: maxage=".$expires);
 header('Expires: ' . gmdate('D, d M Y H:i:s', time()+$expires) . ' GMT');
 echo $thumb->gerar();
 }
 unset($thumb);
 ?>
 |