Counts the number of characters in a UTF-8 string.
This is less than or equal to the byte count.
$text: The string to run the operation on.
integer The length of the string.
function drupal_strlen($text) {
global $multibyte;
if ($multibyte == UNICODE_MULTIBYTE) {
return mb_strlen($text);
}
else {
// Do not count UTF-8 continuation bytes.
return strlen(preg_replace("", '', $text));
}
}