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<?php var_dump(array_unique([null, 1, 2, null, 3, ,null, new \stdClass(), null]));
Output for 7.1.0 - 7.1.7
Fatal error: Cannot use empty array elements in arrays in /in/uEf5e on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Parse error: syntax error, unexpected ',', expecting ']' in /in/uEf5e on line 3
Process exited with code 255.

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