Suppose I have three declared classes:
A, B, C
Class A must be instantiated only in class B.
Is there a way to specify in itself that class A should only be instantiated in class B (via constructor for instance) and not in other classes?
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Peyman Mohamadpour
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See https://stackoverflow.com/questions/2110732/how-to-get-name-of-calling-function-method-in-php for how to get the name of the calling function. The constructor can check if the calling function is in one of those classes. – Barmar Jun 12 '20 at 07:32
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1https://stackoverflow.com/questions/16424257/nested-or-inner-class-in-php may also be worth a read. – Nigel Ren Jun 12 '20 at 09:10