3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num = '۱۲۳۴۵۶۷۸۹۰'; var_export(str_split($num, 3));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array ( 0 => '۱�', 1 => '�۳', 2 => '۴�', 3 => '�۶', 4 => '۷�', 5 => '�۹', 6 => '۰', )
preferences:
71.78 ms | 407 KiB | 5 Q