PHP umask() Function

Return the current umask:

<?php
$file = "test.txt";
echo (umask());
?>

Definition and Usage

The umask() function changes the file permissions for files.

This function sets PHP's umask to mask & 0777 and returns the old umask.

umask( mask)

Parameter	Description
mask	Optional. Specifies the new permissions. Default is 0777 The mask parameter consists of four numbers: The first number is always zero The second number specifies permissions for the owner The third number specifies permissions for the owner's user group The fourth number specifies permissions for everybody else Possible values (to set multiple permissions, add up the following numbers): 1 = execute permissions 2 = write permissions 4 = read permissions

Parameter

Description

mask

Optional. Specifies the new permissions. Default is 0777

The mask parameter consists of four numbers:

Possible values (to set multiple permissions, add up the following numbers):

Return Value:	If you call umask() without any arguments, it returns the current umask, otherwise it returns the old umask
PHP Version:	4.0+