php 接收到其他文件的重定向输出
if(is_file($filename)){
$extension = strtolower(pathinfo($filename, PATHINFO_EXTENSION));
if (in_array($extension, array('png', 'gif', 'jpeg' , 'jpg'))) {
header("Content-Type: image/".$extension);
} else {
if($extension == 'css')
header("Content-Type: text/css");
if($extension == 'js')
header("Content-Type: application/x-javascript");
}
header("Cache-Control: private, max-age=".$browser_cache);
header('Expires: '.gmdate('D, d M Y H:i:s', time()+$browser_cache).' GMT');
header('Content-Length: '.filesize($filename));
$length = filesize($filename);
$result = readfile($filename);
readfile($filename);
exit();
}
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