PHP Manual: fileowner

Description

function fileowner(string $filename): int|false

Gets the file owner.

Parameters

filename: Path to the file.

Return Values

Returns the user ID of the owner of the file, or false on failure. The user ID is returned in numerical format, use posix_getpwuid() to resolve it to a username.

Errors/Exceptions

Upon failure, an E_WARNING is emitted.

Examples

Example #1 Finding the owner of a file

<?php
$filename = 'index.php';
print_r(posix_getpwuid(fileowner($filename)));
?>

Notes

Note:
The results of this function are cached. See clearstatcache() for more details.

Tip

As of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to Supported Protocols and Wrappers to determine which wrappers support stat() family of functionality.