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Output for 8.2.0 - 8.2.27, 8.3.0 - 8.3.18, 8.4.1 - 8.4.5
array ( 'Jack' => array ( 140101 => array ( 'd' => 10, 'a' => 15, 'n' => 20, ), ), 'Jane' => array ( 141212 => array ( 'd' => 20, 'a' => 25, 'n' => 30, ), ), )
preferences:
57.57 ms | 411 KiB | 5 Q