3v4l.org

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<?php $text = 'VERY LONG STRING'; $s = chunk_split($text, 3, '|'); $s = substr($s, 0, -1); $arr = explode('|', $s); print_r($arr); ?>
Output for 5.5.38, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Array ( [0] => VER [1] => Y L [2] => ONG [3] => ST [4] => RIN [5] => G )

preferences:
113.15 ms | 407 KiB | 5 Q