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A comment on How big are PHP arrays (and values) really?. Parent comment

Re:How big are PHP arrays (and values) really? by ars on Friday December 16, 2011 @05:36AM (#3360284)
PHP isn't using it for type punning, they are using it to save space. The article author was a bit unclear here.

When PHP needs to convert a type it does it properly, not through the union.

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