php - How to create object from String? -

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i tried code below:

$dyn = "new ". $classname . "(" .$param1 . ", ". $param2 . ");"; $obj = eval($dyn);

it compiles it's null.

how can instance object in php dynamicaly?

$class = 'classname'; $obj = new $class($arg1, $arg2);

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