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<?php $a = 'foo'; var_dump($a['bar']); var_dump(empty($a['bar'])); var_dump(isset($a['bar']));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/G8JHn:4 Stack trace: #0 {main} thrown in /in/G8JHn on line 4
Process exited with code 255.

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