PHP fileowner() Function

Last Updated : 24 Apr, 2025

The fileowner() is an inbuilt function in PHP that returns the details for the file owner.

Syntax:

fileowner(string $filename): int|false

Parameters: This function accepts a single parameter:

filename: This parameter specifies the file path for the specific file.

Name of the file.

Return Value: The user id of the owner will be returned by this function in case of true, otherwise, false on failure. The user id will be returned in numerical format. The posix_getpwuid() function will be used in order to resolve it to a username.

Error: An E_WARNING will be emitted, upon failure.

Example 1: The following code demonstrates the fileowner() function.

PHP

<?php 
   $filename = "text.txt" ; 
   print_r(posix_getpwuid(fileowner($filename))); 
?>

Output:

Array
(
   [name] => dachman
   [passwd] => x
   [uid] => 1000
   [gid] => 1000
   [gecos] => dachman,,,
   [dir] => /home/dachman
    => /usr/bin/zsh
)

Example 2: The following code demonstrates the fileowner() function.

PHP

<?php 
   $filename = "text.txt" ; 
   print_r(fileowner($filename)); 
?>

Output:

Reference: https://www.php.net/manual/en/function.fileowner.php

Angular 5.0

neeraj3304

Improve

Article Tags :

Similar Reads

PHP | fileperms( ) Function

The fileperms() function in PHP is an inbuilt function which is used to return the permissions given to a file or a directory. The filename of the file whose permissions have to be checked is sent as a parameter to the function and it returns the permissions given to the file in the form of numbers

PHP fileinode() Function

The fileinode() function is an inbuilt function in PHP that returns the inode of the file. Syntax: fileinode(string $filename): int|falseParameter: This function has only one parameter: filename: This parameter specifies the path for the particular file.Return Value: This function returns the inode

PHP | filesize( ) Function

The filesize() function in PHP is an inbuilt function which is used to return the size of a specified file. The filesize() function accepts the filename as a parameter and returns the size of a file in bytes on success and False on failure. The result of the filesize() function is cached and a funct

PHP fclose() Function

The fclose() function in PHP is an inbuilt function that is used to close a file that is pointed by an open file pointer. The fclose() function returns true on success and false on failure. It takes the file as an argument that has to be closed and closes that file. Syntax: bool fclose( $file )Param

PHP filegroup() Function

The filegroup() is an inbuilt function in PHP that returns the filegroup. This function returns a group id that can resolve using posix_getgrigid() to a name. Syntax: filegroup(string $filename): int|falseParameter: This function has only one parameter. filename: A name of the file or path of the fi

PHP | fileatime( ) Function

The fileatime() function in PHP is an inbuilt function which is used to return the last access time of a specified file. The fileatime() function returns the last access time of a file as a Unix Timestamp on success and False on failure. The filename is passed as a parameter to the fileatime() funct

PHP | filectime( ) Function

The filectime() function in PHP is an inbuilt function which is used to return the last time the specified file was changed. The filectime() function returns the last time the file was changed as a Unix Timestamp on success and False on failure. The filectime() function checks for inode changes whic

PHP is_file( ) Function

The is_file() function in PHP is an inbuilt function which is used to check whether the specified file is a regular file or not. The name of the file is sent as a parameter to the is_file() function and it returns True if the file is a regular file else it returns False. Syntax: bool is_file($file)

PHP chown( ) Function

The chown() function in PHP is an inbuilt function which is used to change the owner of the specified file. It returns true on success and false on failure. Only the superuser has the right to change the owner of a file. Syntax: bool chown ( $filename, $user ) Parameters: The chown() function in PHP

PHP finfo_file() Function

The finfo_file() function is an inbuilt function in PHP that is used for getting information about a file. Syntax: Procedural Style: public finfo_file( string $filename, int $flags = FILEINFO_NONE, ?resource $context = null ): string|false Object-Oriented Style: public finfo::file( string $filename,