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PHP – grapheme_strlen() function
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.
Syntax
integer grapheme_strlen($str_string)
Parameters
grapheme_strlen() accepts only one parameter −
$str_string − The string parameter is used to measure the length of the string and it must use a UTF-8 encoding string.
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
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