3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ ['id' => 1, 'uid' => 50, 'sum1' => 1, 'sum2' => 2], ['id' => 2, 'uid' => 50, 'sum1' => 2, 'sum2' => 4], ['id' => 3, 'uid' => 51, 'sum1' => 3, 'sum2' => 5], ]; $result = []; foreach ($array as $row) { if (!isset($ref[$row['uid']])) { $ref[$row['uid']] = $row; $result[] =& $ref[$row['uid']]; continue; } $ref[$row['uid']]['sum1'] += $row['sum1']; $ref[$row['uid']]['sum2'] += $row['sum2']; } var_export($result);
Output for git.master_jit, git.master, rfc.property-hooks
array ( 0 => array ( 'id' => 1, 'uid' => 50, 'sum1' => 3, 'sum2' => 6, ), 1 => array ( 'id' => 3, 'uid' => 51, 'sum1' => 3, 'sum2' => 5, ), )

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:
29.76 ms | 405 KiB | 5 Q