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<?php $array = [ ['parent 1', '10000', '20000'], ['parent 1', '15000', '21000'], ['parent 2', '13000', '22000'], ['parent 2', '11000', '5000'], ]; $new_array = array(); foreach($array as $a) { $temp = array_slice($a, 1); if(!array_key_exists($a[0], $new_array)) { $new_array[$a[0]] = array(); } array_push($new_array[$a[0]], $temp); } print_r($new_array) ?>
Output for 7.1.25 - 7.1.28, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Array ( [parent 1] => Array ( [0] => Array ( [0] => 10000 [1] => 20000 ) [1] => Array ( [0] => 15000 [1] => 21000 ) ) [parent 2] => Array ( [0] => Array ( [0] => 13000 [1] => 22000 ) [1] => Array ( [0] => 11000 [1] => 5000 ) ) )
preferences:
148.66 ms | 409 KiB | 5 Q