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
Make your web applications look like a million bucks
|
|
Most web applications today use boring methods to present data to their viewers using grids or simple HTML tables. FusionCharts induces "life" into the web applications by converting monotonous data into lively charts, gauges & maps.
FusionCharts works with all technologies like ASP, ASP.NET, PHP, ColdFusion, Ruby on Rails, JSP, HTML pages etc.
and connects to any database to render animated & interactive charts. It takes less than 15 minutes and no expertise
whatsoever to build your first chart and just a glance of it to captivate your audience. This fact is endorsed by our
12,000 customers and 150,000 users which include a majority of the Fortune 500 companies.
And yeah, your applications could look like a million bucks by spending just $69.
So go ahead, download your
copy of FusionCharts and start "wow-ing" your customers now!
|
 |
W3Schools' Online Certification Program
The perfect solution for professionals who need to balance work, family, and career building.
More than 4000 certificates already issued!
|
The HTML Certificate documents your knowledge of HTML, XHTML, and CSS.
The JavaScript Certificate documents your knowledge of JavaScript and HTML DOM.
The XML Certificate documents your knowledge of XML, XML DOM and XSLT.
The ASP Certificate documents your knowledge of ASP, SQL, and ADO.
The PHP Certificate documents your knowledge of PHP and SQL (MySQL).
|