php file save script

save.php

<?php
$title     = @$_POST['title'];
$date      = @$_POST['date'];
$excerpt   = @$_POST['excerpt'];
$tags      = @$_POST['tags'];  
$comment   = @$_POST['comment'];
  
// Write the name of text file where data will be store
$filename = "mydata.txt";

// Merge all the variables with text in a single variable.
$f_data= '
    title: '.$title.'
    date: '.$date.'
    excerpt: '.$excerpt.'
    tags: '.$tags.'
    body: '.$comment.'
==============================================================================
';
 
 
 
 
echo 'Form data has been saved to '.$filename.'  <br>
<a href="'.$filename.'">Click here to read </a> ';
$file = fopen($filename, "w");
fwrite($file,$f_data);
fclose($file);
?>