I am looking for a php code to add a url to a text file like this
1- user adds url to a text box
2- user adds site name
3- user hits submit button

The url that was entered in to the text box is...

You can check the Permissions of a file like this
Create a file called test.php
add the code below to test.php
<?php
echo substr(sprintf('%o', fileperms('latest.txt')), -4);
echo '<br>';
echo...