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<?php interface A { function name(string $s, ?array $a = null); } class B implements A { function name(string $s, array $a = null) { echo $s; } } (new B)->name('s');
Output for git.master, git.master_jit
Deprecated: B::name(): Implicitly marking parameter $a as nullable is deprecated, the explicit nullable type must be used instead in /in/6T9GB on line 8 s
Output for rfc.property-hooks
s

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