3v4l.org

run code in 500+ PHP versions simultaneously
<?php $array=[ '2 16 10 4 0 0 0 0 0', '0 0 0 4', '2 15 8 6 0 0 0 0 0', '0 0 0 3', '3 18 12 5 0 0 0 0 0', '0 0 0 2' ]; $pairs=array_chunk(preg_replace('/\s+/',' ',$array),2); foreach($pairs as $pair){ $result[]="{$pair[0]} {$pair[1]}"; } var_export($result);
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
array ( 0 => '2 16 10 4 0 0 0 0 0 0 0 0 4', 1 => '2 15 8 6 0 0 0 0 0 0 0 0 3', 2 => '3 18 12 5 0 0 0 0 0 0 0 0 2', )
preferences:
83.72 ms | 1441 KiB | 4 Q