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<?php $mapped = [ [ 'key1' => false, ], [ 'key2' => 'value', ], ]; $flatMapped = array_filter(array_merge(...$mapped)); print_r($flatMapped); $csvData = [ [ 'key1' => 42, 'key2' => 142, 'key3' => 242, ], [ 'key1' => 342, 'key2' => 442, 'key3' => 542, ], ]; $newData = []; foreach ($csvData as &$item) { $item = array_intersect_key($item, $flatMapped); } print_r($csvData);
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.15, 8.5.0 - 8.5.1
Array ( [key2] => value ) Array ( [0] => Array ( [key2] => 142 ) [1] => Array ( [key2] => 442 ) )
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196.05 ms | 408 KiB | 5 Q