PHP fileowner() Function Usage and Example

PHP Filesystem Reference Manual

The fileowner() function can return the user ID (owner) of the specified file. This function can return the user ID on success or return false on failure.

Syntax

int fileowner ( string $filename )

The result of this function can be cached, so we can use the clearstatcache() function to clear the cache. This function cannot run on Windows systems. We can use the posix_getpwuid() function to convert the user ID to a username.

Online Example

<?php
　　　echo fileowner("sample.txt");
?>

Output Result

0

PHP Filesystem Reference Manual