3v4l.org

run code in 300+ PHP versions simultaneously
<?php $alphabet = 'abcdefghijklmnopqrstuvwxyz'; $letters = str_split($alphabet, 2); print_r($letters); ?>
Output for 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 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.14, 8.4.1
Array ( [0] => ab [1] => cd [2] => ef [3] => gh [4] => ij [5] => kl [6] => mn [7] => op [8] => qr [9] => st [10] => uv [11] => wx [12] => yz )
preferences:
32.21 ms | 407 KiB | 5 Q