chdir
    (PHP 3, PHP 4 , PHP 5)
chdir -- Change directory
Description
bool 
chdir ( string directory )
     Changes PHP's current directory to
     directory. Returns TRUE on success or FALSE on failure.
    
     
| Example 1. chdir() example | 
<?php
 // current directory
 echo getcwd() . "\n";
 
 chdir('public_html');
 
 // current directory
 echo getcwd() . "\n";
 
 ?>
 | 
 The above example will output: | /home/vincent
/home/vincent/public_html | 
 | 
    Note: When safe mode is enabled, PHP checks whether 
the directory in which you are about to operate has the same UID (owner) as the 
script that is being executed.
     See also getcwd().