class - Should I be passing S_ variables into functions - PHP -

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i building little website project on side , having go @ mvc.

i have built request class, , router class.

simple enough question, have read on place globals bad such whatever reason, should passing in, $_get, $_post, $_server etc request class, or referencing them inside request class.

new request($_get, $_post, $_server);

or

new request();

thanks.

one of main aspects of oop abstraction. class should not know global variables. if change key of get. first method common way.


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