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<?php $insertData = [ [ 'test' => '1', 'test1' => '2', ], [ 'test' => '3', 'test1' => '4', ] ]; $values = []; foreach ($insertData as $row) { array_push($values, ...array_values($row)); } var_dump( ($values), );
Output for 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
array(4) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" [3]=> string(1) "4" }

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