You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
24 lines
636 B
24 lines
636 B
19 years ago
|
<?php
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Counts the number of characters of a string in UTF-8.
|
||
|
|
* Unit-tested by Kasper and works 100% like strlen() / mb_strlen()
|
||
|
|
*
|
||
|
|
* @param string UTF-8 multibyte character string
|
||
|
|
* @return integer The number of characters
|
||
|
|
* @see strlen()
|
||
|
|
* @author Martin Kutschker <martin.t.kutschker@blackbox.net>
|
||
|
|
*/
|
||
|
|
function utf8_strlen($str) {
|
||
|
|
$n=0;
|
||
|
|
for($i=0; isset($str{$i}) && strlen($str{$i})>0; $i++) {
|
||
|
|
$c = ord($str{$i});
|
||
|
|
if (!($c & 0x80)) // single-byte (0xxxxxx)
|
||
|
|
$n++;
|
||
|
|
elseif (($c & 0xC0) == 0xC0) // multi-byte starting byte (11xxxxxx)
|
||
|
|
$n++;
|
||
|
|
}
|
||
|
|
return $n;
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|