ini_set
  (PHP 4, PHP 5)
ini_set — Sets the value of a configuration option
  
 
 
  Description
  
   string ini_set
    ( string $varname
   , string $newvalue
   )
  
  
 
  Parameters
  
   
    - 
     varname
     
- 
      
       
       Not all the available options can be changed using
       ini_set(). There is a list of all available options
       in the appendix.
       
- 
     newvalue
     
- 
      
       The new value for the option.
       
 
 
  Return Values
  
   Returns the old value on success, FALSE on failure.