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<?php echo json_encode([ new \stdClass, new class{}, (object)[], ]);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
[{},{},{}]
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/kgj0i on line 4
Process exited with code 255.
preferences:
207.74 ms | 402 KiB | 225 Q