# PHP – grapheme_strlen() function

PHPServer Side ProgrammingProgramming

A grapheme is the smallest functional unit of a writing system. Graphemes can be interpreted as the smallest units of writing that correspond with sounds.

The grapheme_strlen() function in PHP is used to get the string length in grapheme units. This function does not get the byte or character's length. The grapheme_strlen function is supported in PHP 5.3.0 and higher versions.

## Return Values

This function returns the length of the string on success or it returns False on failure.

## Example

<?php
// used the string "abca\xCC\x8Ao\xCC\x88a\xCC\x8A"
// to find the length
$integer=grapheme_strlen("abca\xCC\x8Ao\xCC\x88a\xCC\x8A\x122"); // output var_dump($integer);
?>

## Output

int(8)

Updated on 12-Oct-2021 06:54:56