3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = array( array(0 => "1", 1 => "1"), array(0 => "2", 1 => "2"), ); $arr2 = array( array(0 => "a", 1 => "b"), array(0 => "c", 1 => "d"), ); $result = []; foreach($arr1 as $key=>$value){ foreach($value as $k=>$val){ $result[$key][$k] = [$val,$arr2[$key][$k]]; } } print_r($result);
Output for 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 - 8.3.25, 8.4.1 - 8.4.13
Array ( [0] => Array ( [0] => Array ( [0] => 1 [1] => a ) [1] => Array ( [0] => 1 [1] => b ) ) [1] => Array ( [0] => Array ( [0] => 2 [1] => c ) [1] => Array ( [0] => 2 [1] => d ) ) )
preferences:
150.31 ms | 408 KiB | 5 Q