How to use php str_split function?

php The str_split() function is used to split a given string into smaller string lengths specified by the user, store them in an array, and return the array; the syntax is "str_split(string ,length)", the parameter string specifies the string, the parameter length specifies the length of the array element, and the default value is 1.

php str_split() function

The php str_split() function splits the string into an array according to the specified length to form an array.

Syntax:

str_split(string,length)

Parameters:

● String: Required parameter, which means the user needs to split it into an array the original string.

●length: Optional parameter, specifying the length of each array element. By default, the accepted value is 1.

Return value: str_split() returns an array. If the length parameter exceeds the length of the original string, the entire string is returned as a single element. If the length parameter is less than 1, False is returned. By default, length is equal to 1.

Let’s take a look at how to use the php str_split() function through an example.

Example 1:

<?php
$i = "helloworld";
$j = str_split($i,3);//指定分割的数组元素长度为3
print_r($j); //输出数组用print_r函数
?>

Output:

Array ( [0] => hel [1] => low [2] => orl [3] => d )

Example 2:

<?php
$i = "you can study php in php.cn";
$j = str_split($i,5);
print_r($j);
?>

Output:

Array ( [0] => you c [1] => an st [2] => udy p [3] => hp in [4] => php. [5] => cn )

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