OR you could control ur method and have optional arguments in ur argument list and decide what to do according to that.
e.g. public function _construct($param1=0, $param2="", $param3=null) { if($param1) ....
if($param2) ....
if($param3) .... }
$obj=new className(1); //Or $obj=new className(1,"hello"); //Or $obj=new className(0,"","some_value");
Bottom Line: Optional arguments might be a workaround lack of polymorphism sometimes !
Better use
if (isset($param1)) { ...then, otherwise values such as 0 will cause difficulties.
-- Daniel Schierbeck
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