Gets the file owner.
Path to the file.
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.
Exceptions and Errors
Upon failure, an E_WARNING is emitted.
The results of this function are cached. See clearstatcache for more details.
As of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to to determine which wrappers support stat family of functionality.