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<?php $results = array(); $j = 1; for($i=1; $i<=10; $i++){ $j++; $results[] = array($i, $i, 1, "user".$j); $j++; $results[] = array($i, $i, 2, "user".$j); } print_r($results);
Output for 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Array ( [0] => Array ( [0] => 1 [1] => 1 [2] => 1 [3] => user2 ) [1] => Array ( [0] => 1 [1] => 1 [2] => 2 [3] => user3 ) [2] => Array ( [0] => 2 [1] => 2 [2] => 1 [3] => user4 ) [3] => Array ( [0] => 2 [1] => 2 [2] => 2 [3] => user5 ) [4] => Array ( [0] => 3 [1] => 3 [2] => 1 [3] => user6 ) [5] => Array ( [0] => 3 [1] => 3 [2] => 2 [3] => user7 ) [6] => Array ( [0] => 4 [1] => 4 [2] => 1 [3] => user8 ) [7] => Array ( [0] => 4 [1] => 4 [2] => 2 [3] => user9 ) [8] => Array ( [0] => 5 [1] => 5 [2] => 1 [3] => user10 ) [9] => Array ( [0] => 5 [1] => 5 [2] => 2 [3] => user11 ) [10] => Array ( [0] => 6 [1] => 6 [2] => 1 [3] => user12 ) [11] => Array ( [0] => 6 [1] => 6 [2] => 2 [3] => user13 ) [12] => Array ( [0] => 7 [1] => 7 [2] => 1 [3] => user14 ) [13] => Array ( [0] => 7 [1] => 7 [2] => 2 [3] => user15 ) [14] => Array ( [0] => 8 [1] => 8 [2] => 1 [3] => user16 ) [15] => Array ( [0] => 8 [1] => 8 [2] => 2 [3] => user17 ) [16] => Array ( [0] => 9 [1] => 9 [2] => 1 [3] => user18 ) [17] => Array ( [0] => 9 [1] => 9 [2] => 2 [3] => user19 ) [18] => Array ( [0] => 10 [1] => 10 [2] => 1 [3] => user20 ) [19] => Array ( [0] => 10 [1] => 10 [2] => 2 [3] => user21 ) )

preferences:
174.26 ms | 410 KiB | 175 Q