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<?php // Everything you enter here will be executed by our servers. Try it! $data = array( array('a', 'b', 'c', 'd', 'e'), array('f', 'g', 'h', 'i', 'j'), array('k', 'l', 'm', 'n', 'o'), array('p', 'q', 'r') ); echo "<pre>"; //print_r(array_chunk($data,4,true)); //die(); /*$width = count($data[0]); // 5 $height = count($data); // 4 $total = $width * $height; // 20 $new_data = array(); for($i = 0; $i < $total; $i++) { $old_x = floor($i % $width); // integer division $old_y = $i / $width; // modulo $new_x = $i % $height; // modulo $new_y = floor($i / $height); // integer division if (!isset($new_data[$new_x])) { $new_data[$new_x] = array(); } if (isset($data[$old_x][$old_y])) { $new_data[$new_x][$new_y] = $data[$old_x][$old_y]; } } print_r($new_data);*/ function flip90($arr, $lineHeight) { $tbl = array(); $index = 0; $counter = 1; for($i = 0; $i < count($arr); $i++) { if($counter > $lineHeight) { $index++; $counter = 1; } if($counter <= $lineHeight) { $tbl[$index][$counter] = $arr[$i]; $counter++; } } return $tbl; } $flipped = flip90($data, 5); echo "<pre>"; print_r($flipped); echo "<pre>";
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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
<pre><pre>Array ( [0] => Array ( [1] => Array ( [0] => a [1] => b [2] => c [3] => d [4] => e ) [2] => Array ( [0] => f [1] => g [2] => h [3] => i [4] => j ) [3] => Array ( [0] => k [1] => l [2] => m [3] => n [4] => o ) [4] => Array ( [0] => p [1] => q [2] => r ) ) ) <pre>

preferences:
314.7 ms | 407 KiB | 456 Q