set_include_path
    (PHP 4 >= 4.3.0)
set_include_path -- 
     Sets the include_path configuration option
    
Description
string 
set_include_path ( string new_include_path)
     Sets the include_path 
     configuration option for the duration of the script.  Returns the old 
     include_path on success or 
     FALSE on failure.
    
     
Example 1. set_include_path() example <?php
// Works as of PHP 4.3.0
set_include_path('/inc');
// Works in all PHP versions
ini_set('include_path', '/inc');
?> |  
  | 
    
     See also ini_set(),
     get_include_path(),
     restore_include_path(), and
     include().