[wp] 攻防世界 Web_php_include

<?php
show_source(__FILE__);
echo $_GET['hello'];
$page=$_GET['page'];
while (strstr($page, "php://")) {
    $page=str_replace("php://", "", $page);
}
include($page);
?>

strstr是對大小寫敏感的,用大寫PHP繞過檢測