mb_str_split
(PHP 7 >= 7.4.0, PHP 8)
mb_str_split — Given a multibyte string, return an array of its characters
說明
$string
, int $length
= 1, ?string $encoding
= null
): array
This function will return an array of strings, it is a version of str_split() with support for encodings of variable character size as well as fixed-size encodings of 1,2 or 4 byte characters.
If the length
parameter is specified, the string is broken down into chunks of the specified length in characters (not bytes).
The encoding
parameter can be optionally specified and it is good practice to do so.
參數
-
string
-
The string to split into characters or chunks.
-
length
-
If specified, each element of the returned array will be composed of multiple characters instead of a single character.
-
encoding
-
encoding
參數為字元編碼。如果省略或是null
,則使用內部字元編碼。A string specifying one of the supported encodings.
返回值
mb_str_split() returns an array of strings.
更新日誌
版本 | 說明 |
---|---|
8.0.0 |
現在 encoding 可以為 null。
|
8.0.0 |
This function no longer returns false on failure.
|