3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 0 =>array('driver'=>'xxxx', 'distance' => 100, 'vehicle' => 1, 'date' => '2019-10'), 1=>array('driver'=>'xxxx', 'distance' => 200, 'vehicle' => 2, 'date' => '2019-10'), 2=>array('driver'=>'yyyy', 'distance' => 100, 'vehicle' => 3, 'date' => '2019-10')); $result = []; foreach($array as $v){ $key = $v["driver"] . "_" . $v["date"]; if(isset($result[$key])){ $result[$key]["distance"] += $v["distance"]; }else{ $result[$key] = $v; } } print_r($result);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [xxxx_2019-10] => Array ( [driver] => xxxx [distance] => 300 [vehicle] => 1 [date] => 2019-10 ) [yyyy_2019-10] => Array ( [driver] => yyyy [distance] => 100 [vehicle] => 3 [date] => 2019-10 ) )

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
80.35 ms | 406 KiB | 5 Q