edit.php

<?php
include 'config.php';

if(isset($_POST['source']) && isset($_POST['id']) && isset($_POST['name']) && isset($_POST['pass']) ) {

    if(file_exists($base_path . stripShit($_POST['id']) . "/pass_" . stripShit($_POST['pass']) )){

        $path = $base_path . stripShit($_POST['id']) . "/" . stripShit($_POST['name']);
        $file = fopen($path, "w");
        if(!$file)
            echo "Could not open file";
        else {
            $string = iconv( 'UTF-8', 'ISO-8859-15//TRANSLIT', $_POST['source'] );
            $freturn = fwrite($file, $string);
            fclose($file);
            echo "File saved";
        }

    } else echo "Password incorrect";
} else echo "NOT_ENOUGH_DATA";

?>