3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = array ( "group_name_1" => "audi", "group_locations_1" => "tokyo,barcelona,paris", "group_quantities_at_locations_1" => "1,2,7", "group_name_2" => "ford", "group_locations_2" => "london,prag", "group_quantities_at_locations_2" => "3,6" ); $result = array(); $chunked = array_chunk($input,3); array_walk($chunked,function($v) use (&$result){ $result[$v[0]] = array_combine(explode(",",$v[1]),explode(",",$v[2])); }); print_r($result);
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 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 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Array ( [audi] => Array ( [tokyo] => 1 [barcelona] => 2 [paris] => 7 ) [ford] => Array ( [london] => 3 [prag] => 6 ) )

preferences:
178.85 ms | 404 KiB | 212 Q