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<?php $array1 = array(1,2,3); $array2 = array('a','b','c'); $array3 = array(); array_map(function ($a, $b) use (&$array3) { array_push($array3, $a, $b); }, $array1, $array2); print_r($array3);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Array ( [0] => 1 [1] => a [2] => 2 [3] => b [4] => 3 [5] => c )

preferences:
98.67 ms | 1667 KiB | 4 Q