Bit confused, how should I update a file?

[sesstreets]

Im trying to write a script that will:

1. Open a file and display the files content into an editable box.
2. On the press of a submit button, it will update the file.

How do I do this? Ive tried fopen and get_file_contents but neither really works

[logu]

Can you post u r code

[extrovertive]

<?php
$file = 'my/path/file';

  if(isset($_POST['submit'])
 {
  $filestring = $_POST['filestring'];
 file_put_contents($file, $filestring);
 }

$filestring = file_get_contents($file);
?>
<form action="" method="post">
<textarea name="filestring">echo $filestring</textarea>
<input type="submit" name="submit" value="Submit">

[techiefreak05]

do you get any erros? or does it just do nothing.. i dont see whats wrong.. hhmm.. i shall look harder :-)