Using mb_split() with Regular Expressions to Split Multibyte Strings in PHP

The mb_split() function in PHP splits a multibyte string based on a regular expression pattern and returns the resulting substrings as an array. An optional $limit argument can be provided to restrict the number of elements in the returned array.

Parameters

pattern : The regular expression used for splitting.

string : The input multibyte string to be split.

limit (optional): The maximum number of array elements to return.

Return value

An array containing the split parts of the original string.

Example

<?php
$a = '你好世界';
print_r(mb_split('世', $a));
?>

Output:

Array
(
    [0] => 你好
    [1] => 界
)