3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array( array('f1', 'f2', 'f3'), array('s1', 's2', 's3', 's4', 's5'), array('t1', 't2', 't3', 't4', 't5', 't6', 't7', 't8', 't9', 't10', 't11', 't12') ); $max = 12; $each = $max / count($data); $result = array(); foreach ($data as $set) { $start = count($result); while (count($set) > 0 && (count($result)-$start) < $each) { $result[] = array_shift($set); } } print_r($result);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => f1 [1] => f2 [2] => f3 [3] => s1 [4] => s2 [5] => s3 [6] => s4 [7] => t1 [8] => t2 [9] => t3 [10] => t4 )
preferences:
262.9 ms | 406 KiB | 460 Q