PHP chmod() Function
Complete PHP Filesystem Reference
Definition and Usage
The chmod() function changes permissions of the specified file.
Returns TRUE on success and FALSE on failure.
Syntax
| Parameter |
Description |
| file |
Required. Specifies the file to check |
| mode |
Required. Specifies the new permissions. The mode
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
|
Example
<?php
// Read and write for owner, nothing for everybody else
chmod("test.txt",0600);
// Read and write for owner, read for everybody else
chmod("test.txt",0644);
// Everything for owner, read and execute for everybody else
chmod("test.txt",0755);
// Everything for owner, read for owner's group
chmod("test.txt",0740);
?>
|
Complete PHP Filesystem Reference
Create a free Flash website with our simple, online web design editing platform. Stunning templates
and user-friendly tools make website building easy and fun.
Start Creating your free website now!

The Altova MissionKit is an integrated suite of tools ideal for:
- XML development
- Web & Web services development
- Data mapping & integration
- Rendering & publishing XML & database data
- XBRL validation, taxonomy editing, transformation & rendering
The MissionKit for XML Developers includes XMLSpy® - the industry-leading XML editor; MapForce® - a
graphical data mapping, conversion, and integration tool; StyleVision® - a visual XSLT stylesheet designer;
DiffDog® - an XML-aware diff/merge tool; and 2 additional tools.
Try all 6 products free for 30 days!
Download a fully-functional free trial
|
|
|
|