3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php print_r(str_split('学数学 数学游戏'));
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.3.0rc3
Array ( [0] => � [1] => � [2] => � [3] => � [4] => � [5] => � [6] => � [7] => � [8] => � [9] => [10] => [11] => � [12] => � [13] => � [14] => � [15] => � [16] => � [17] => � [18] => � [19] => � [20] => � [21] => � [22] => � )