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<?php $a = ['teste' => 'teste']; $key = null; var_dump($a[$key] ?? $key === null ? $a : null);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(1) { ["teste"]=> string(5) "teste" }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/l7haa on line 5
Process exited with code 255.
preferences:
147.9 ms | 402 KiB | 229 Q