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<?php $a = false; $b = ''; $c = 0; $d = array(); var_dump(isset($a['x'])); var_dump($b['x']); var_dump($c['x']); var_dump($d['x']);
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/g3kS6:8 Stack trace: #0 {main} thrown in /in/g3kS6 on line 8
Process exited with code 255.

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