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<?php $test['color'][0] = "red"; $test['color'][1] = "blue"; $test['color'][2] = "black"; $test['plug'][3] = "US"; $test['plug'][4] = "UK"; var_export(array_map(fn($row) => implode(',', $row), $test));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array ( 'color' => 'red,blue,black', 'plug' => 'US,UK', )
preferences:
82.39 ms | 402 KiB | 62 Q