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$res = $zip->open(UPLOAD_DIR.'/attach.zip', ZIPARCHIVE::CREATE);
if ($res === true) {
       foreach ($fileinfo as $value) {
             $zip->addFile(UPLOAD_DIR.'/'.$value['SAVE_NAME'], $value['REAL_NAME']);
      }
      $zip->close();
}


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//set_time_limit(0);
for ($i = 0; $i < 500; $i++) {
$users[] = 'Tom_' . $i;
}//end for
$width = 500; //ÏÔʾµÄ½ø¶ÈÌõ³¤¶È£¬µ¥Î» px
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            $id=intval($_GET["id"]);
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function extend_1($file_name)
{
$retval="";
$pt=strrpos($file_name, ".");
if ($pt) $retval=substr($file_name, $pt+1, strlen($file_name) - $pt);
return ($retval);
}
?>
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function extend_2($file_name)
{
$extend = pathinfo($file_name);
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