ncurses_has_il
  Check for line insert- and delete-capabilities 
  
 
  Description
  
   bool ncurses_has_il
    ( void
   )
  WarningThis function is
EXPERIMENTAL. The behaviour of this function, its name, and
surrounding documentation may change without notice in a future release of PHP.
This function should be used at your own risk.
 
  
   Checks whether the terminal has insert- and delete-line-capabilities.
  
  
 
  Return Values
  
   Returns TRUE if the terminal has insert/delete-line capabilities,
   FALSE otherwise.