3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array ( 0 => '2,2-0-tc', 1 => '2-0', 2 => '2-0-tc', 3 => '3,3-0-sc-v6', 4 => '3-0-sc-v6', 5 => '3-0sc-v6', 6 => '5-0-sc-v8' ); $newArr = []; foreach($arr as $key=>$val){ $temp = explode (',', $val); foreach($temp as $new){ $newArr[$new] = $val; } } print_r($newArr);
Output for 7.1.0 - 7.1.20, 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 - 8.3.25, 8.4.1 - 8.4.12
Array ( [2] => 2,2-0-tc [2-0-tc] => 2-0-tc [2-0] => 2-0 [3] => 3,3-0-sc-v6 [3-0-sc-v6] => 3-0-sc-v6 [3-0sc-v6] => 3-0sc-v6 [5-0-sc-v8] => 5-0-sc-v8 )

preferences:
141.01 ms | 408 KiB | 5 Q