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<?php $partylist = ['party1','party2','party3']; $position = ['position1','position2']; $members = ['name1','name2','name3','name4','name5','name6']; $out = []; foreach ($members as $member) { if (!empty($out) && !next($position)) { reset($position); if(!next($partylist)) { die('Not enough parties.'.PHP_EOL); } } $out[current($partylist)][current($position)] = $member; } print_r($out);
Output for 5.6.38, 7.1.0 - 7.1.22, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.26, 8.4.1 - 8.4.13
Array ( [party1] => Array ( [position1] => name1 [position2] => name2 ) [party2] => Array ( [position1] => name3 [position2] => name4 ) [party3] => Array ( [position1] => name5 [position2] => name6 ) )

preferences:
174.04 ms | 408 KiB | 5 Q