XCTF-WEB-Web_php_include

打開題目出現源碼：php <?php show_source(__FILE__); echo $_GET['hello']; $page=$_GET['page']; while (strstr($page, "php://")) { $page=str_replace("php://", "", $page); } include($page); ?> str函數對大小寫敏感，考慮大小寫

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