Опис

str_split(string $string, int $length = 1): array

Converts a string to an array.

Параметри

string: The input string.
length: Maximum length of the chunk.

Значення, що повертаються

If the optional length parameter is specified, the returned array will be broken down into chunks with each being length in length, except the final chunk which may be shorter if the string does not divide evenly. The default length is 1, meaning every chunk will be one byte in size.

Помилки/виключення

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

Журнал змін

Версія	Опис
8.2.0	If `string` is empty an empty array is now returned. Previously an array containing a single empty string was returned.
8.0.0	If `length` is less than `1`, a ValueError will be thrown now; previously, an error of level `E_WARNING` has been raised instead, and the function returned `false`.

Приклади

Приклад #1 Example uses of str_split()

<?php

$str = "Hello Friend";

$arr1 = str_split($str);
$arr2 = str_split($str, 3);

print_r($arr1);
print_r($arr2);

?>

Поданий вище приклад виведе:

Array
(
    [0] => H
    [1] => e
    [2] => l
    [3] => l
    [4] => o
    [5] =>
    [6] => F
    [7] => r
    [8] => i
    [9] => e
    [10] => n
    [11] => d
)

Array
(
    [0] => Hel
    [1] => lo
    [2] => Fri
    [3] => end
)

Примітки

Зауваження:
str_split() will split into bytes, rather than characters when dealing with a multi-byte encoded string. mb_str_split() can be used to split the string into code points. grapheme_str_split() can be used to split the string into grapheme clusters.

Прогляньте також

mb_str_split() - Given a multibyte string, return an array of its characters
grapheme_str_split() - Split a string into an array
chunk_split() - Split a string into smaller chunks
preg_split() - Split string by a regular expression
explode() - Розбиває рядок на підрядки
count_chars() - Return information about characters used in a string
str_word_count() - Return information about words used in a string
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