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<?php $foo = null; var_dump($foo['bar']); $bar = ['foo' => 'baz']; var_dump($bar['baz']);
Output for git.master, git.master_jit
Warning: Trying to access array offset on value of type null in /in/4Ivjp on line 5 NULL Warning: Undefined array key "baz" in /in/4Ivjp on line 9 NULL
Output for rfc.property-hooks
Warning: Trying to access array offset on null in /in/4Ivjp on line 5 NULL Warning: Undefined array key "baz" in /in/4Ivjp on line 9 NULL

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