Uppercase a UTF-8 string.
string $text: The string to run the operation on.
string The string in uppercase.
public static function strtoupper($text) {
if (static::getStatus() == static::STATUS_MULTIBYTE) {
return mb_strtoupper($text);
}
else {
// Use C-locale for ASCII-only uppercase.
$text = strtoupper($text);
// Case flip Latin-1 accented letters.
$text = preg_replace_callback('/\\xC3[\\xA0-\\xB6\\xB8-\\xBE]/', '\\Drupal\\Component\\Utility\\Unicode::caseFlip', $text);
return $text;
}
}