PHP string str_split() Function

Last Updated : 17 Mar 2025

The str_split() is predefined function of PHP. It is used to convert a string to an array. If the split length is specified, then array will be broken down into chunks with length.

It will return FALSE if the split length is less than 1.

Syntax:

Parameter	Description	Required/Optional
String	Specify the string to split.	Required
Length	Specify the length of each array element. Default is :1	Optional

Example 1

<?php
$str="Hello PHP";
print_r(str_split($str));
?>

Output:

Array ( 
[0] => H 
[1] => e
 [2] => l 
[3] => l 
[4] => o 
[5] => 
[6] => P 
[7] => H 
[8] => P
 )

Example 2

<?php
$str="Hello PHP";
print_r(str_split($str,3));
?>

Output:

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

Reference:

http://php.net/manual/en/function.str-split.php

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