readline_completion_function
  (PHP 4, PHP 5)
readline_completion_function — Registers a completion function
  
 
 
  Description
  
   bool readline_completion_function
    ( 
callback $function
   )
 
  
  
 
  Parameters
  
   
    - 
     function
     
 - 
      
       You must supply the name of an existing function which accepts a
       partial command line and returns an array of possible matches.
      
      
    
   
  
  
 
  Return Values
  
   Returns TRUE on success or FALSE on failure.