Definition and Usage
定义和用法

The str_split() function splits a string into an array.
str_split()函数的作用是：转换字符串为数组。

Syntax
语法

str_split(string,length)

Tips and Notes
注意点

Note: If length is less than 1, the str_split() function will return FALSE.
注意：如果长度小于1，str_split()函数将返回False。

Note: If length is larger than the length of string, the entire string will be returned as the only element of the array.
注意点：如果长度大于字符串长度，那么整个字符串将以单独的元素返回。

Example 1
案例1

<?php
print_r(str_split("Hello"));
?>

The output of the code above will be:
上述代码将输出下面的结果：

Array
(
[0] => H
[1] => e
[2] => l
[3] => l
[4] => o
)

Example 2
案例2

<?php
print_r(str_split("Hello",3));
?>

The output of the code above will be:
上述代码将输出下面的结果：

Array
(
[0] => Hel
[1] => lo
)

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