3v4l.org

run code in 300+ PHP versions simultaneously
<?php function special_chunk($array, $size) { $chunks = array_chunk($array, 2); $count = count($chunks); if( count($chunks[$count-1]) < $size ) { $chunks[$count-2] = array_merge($chunks[$count-2], $chunks[$count-1]); unset($chunks[$count-1]); } return $chunks; } $languages = range(1, 8); var_dump( special_chunk($languages, 3) );
Output for 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(3) { [0]=> array(2) { [0]=> int(1) [1]=> int(2) } [1]=> array(2) { [0]=> int(3) [1]=> int(4) } [2]=> array(4) { [0]=> int(5) [1]=> int(6) [2]=> int(7) [3]=> int(8) } }

preferences:
65.59 ms | 407 KiB | 5 Q