grapheme_str_split

(PHP 8 >= 8.4.0)

grapheme_str_split — Split a string into an array

说明

grapheme_str_split(string $string, int $length = 1): array|false

This function will return an array of strings, it is a version of str_split() with support for grapheme cluster byte characters. If the length parameter is specified, the string is broken down into chunks of the specified length in grapheme clusters (not bytes).

参数

string

The string to split into grapheme clusters or chunks. string must be valid UTF-8.

length

Each element of the returned array will be composed of length grapheme clusters.

返回值

grapheme_str_split() returns an array of strings, 或者在失败时返回 false.

错误／异常

If length is less than 1, a ValueError will be thrown.

参见