# PHP – Get the string length using mb_strlen()

PHPServer Side ProgrammingProgramming

In PHP, multibyte string length (mb_strlen) function is used to get the total string length of a specified string. This function is supported in PHP 4.6.0 or higher versions.

## Syntax

int mb_strlen(str $string, str$encoding)

## Parameters

mb_strlen() accepts two parameters: $string and$encoding.

• $string− It is used to check the string length •$encoding− This parameter is used for character encoding. If it is omitted or null, then the internal character encoding value will be used.

## Return Values

mb_strlen() returns the number of characters present in the given string. One is counted as a multi-byte character.

## Errors/Exceptions

If the encoding is not known, then it will generate the level E_warning.

## Example

Live Demo

<?php
$result = mb_strlen("Hello World","UTF-8"); echo "Total number of characters: ",$result;
?>
Total number of characters: 11