3v4l.org

run code in 300+ PHP versions simultaneously
<?php $myArray = array ( 14 => array ( 0 => 29, 1 => 129 ), 193 => array ( 0 => 6009231, 1 => 6324415, 2 => 5682922 ) ); $result = array(); list($k1, $k2) = array_keys($myArray); foreach ($myArray[$k1] as $v1) { foreach ($myArray[$k2] as $v2) { $result[] = "$k1:$v1;$k2:$v2"; } } print_r($result);
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 - 8.3.25, 8.4.1 - 8.4.12
Array ( [0] => 14:29;193:6009231 [1] => 14:29;193:6324415 [2] => 14:29;193:5682922 [3] => 14:129;193:6009231 [4] => 14:129;193:6324415 [5] => 14:129;193:5682922 )
preferences:
112.1 ms | 408 KiB | 5 Q