How to change file owner in php

The chown() function can be used in php to modify the owner of the file. This function can change the owner of the specified file. If the modification is successful, it returns TRUE, if it fails, it returns FALSE; the syntax format is "chown(file ,owner)", the parameter owner specifies the new owner, which can be the user name or user ID.

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

In php, you can use chown () function to modify the owner of the file.

chown — Change the owner of a file, returning TRUE on success or FALSE on failure.

Syntax

chown(file,owner)

Parameters	Description
file	Required. Specifies the documents to be checked.
owner	Required. Provide new owner. Can be a username or the user's ID.

Example: Change file owner and user group

<?php
chown(&#39;/tmp/myfile.txt&#39;,&#39;sklar&#39;);           // specify user by name
chgrp(&#39;/home/sklar/schedule.txt&#39;,&#39;soccer&#39;); // specify group by name

chown(&#39;/tmp/myfile.txt&#39;,5001);              // specify user by uid
chgrp(&#39;/home/sklar/schedule.txt&#39;,102);      // specify group by gid
?>

Note:

• The chown() function cannot operate on remote files. The file being checked must be accessible through the server's file system.

• When safe mode is enabled, PHP will check whether the file or directory being operated on has the same UID (owner) as the script being executed.

Recommended learning: "PHP Video Tutorial"

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