What potential issues can arise when working with files owned by different users in PHP?

When working with files owned by different users in PHP, potential issues can arise due to file permissions. To solve this issue, you can use the `chown` function in PHP to change the ownership of the file to the desired user. 

$file = 'example.txt';
$user = 'desired_user';

// Change ownership of the file to the desired user
chown($file, $user);

Keywords

file ownership file permissions chown chgrp file access restrictions

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