ReflectionParameter::canBePassedByValue
  Returns whether this parameter can be passed by value
  
 
  Description
  
   public bool ReflectionParameter::canBePassedByValue
    ( void
   )
  
  WarningThis function is
currently not documented; only its argument list is available.
 
  
 
  Parameters
  This function has no parameters.
  
 
  Return Values
  
   Returns TRUE if the parameter can be passed by value, FALSE otherwise.
   Returns NULL in case of an error.