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<?php class a { public function someMethod(?string $s = NULL) { print $s; } } class b extends a { public function someMethod(string $s = NULL) { print 'b' . $s; } } $b = new b; $b->someMethod('string');
Output for git.master_jit, git.master
Deprecated: b::someMethod(): Implicitly marking parameter $s as nullable is deprecated, the explicit nullable type must be used instead in /in/gas1U on line 10 bstring

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