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@ 2014-02-25T22:34:17Z

<?php
	function test($id = null){
        var_dump(func_num_args()) . "<br/>";
    }
    
    test();
    
    test(null);
    
    test(null, 2);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive preview

42.27 ms | 402 KiB | 5 Q