fileowner()

fileowner() — Gets file owner.

Built-in function of PHP 8.5. The manual lists it as available in PHP 4, PHP 5, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.

Signature

fileowner(string $filename): int|false

Parameters

Return value

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.

Example

A runnable snippet:

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

See also

filegroup(), stat()

All PHP 8.5 built-in functions

Reference card built from the PHP manual page fileowner() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.