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PHP Basic

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PHP Comments

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PHP Data Types

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PHP Form

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PHP Advanced

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PHP OOP

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MySQL Database

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PHP XML

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PHP Reference

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Text lesson

umask()

Example

Retrieve the current umask.

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

Definition and Usage

The umask() function sets the file creation mask to mask & 0777 and returns the previous umask.

Syntax

umask(mask)

Parameter Values

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

Technical Details

Return Value:	If you call `umask()` without arguments, it returns the current umask. If you provide a new umask, it sets that value and returns the previous umask.
PHP Version:	4.0+