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);
?>
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Complete PHP Filesystem Reference
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