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<?php var_dump(json_encode(['react_news_id' => null]));
Output for 8.1.34, 8.2.27 - 8.2.30, 8.3.0 - 8.3.29, 8.4.1 - 8.4.16, 8.5.0 - 8.5.1
string(22) "{"react_news_id":null}"
preferences:
62.92 ms | 406 KiB | 5 Q