Differences between version EMPTY and #6759

0a1,3
> While Haxe/PHP behaviour tries to correspond as much as possible to that of Neko, there are some edge cases to be aware of where behaviour my differ slightly. Others may be encountered when trying to integrate with external PHP libraries. Here is a list of such edge cases currently known:
> 
>  * Neko prints a ''null'' value as "null", whereas Haxe/PHP prints the empty string "".
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