// Check for CJK
$firstChar = mb_substr( $string, 0, 1, 'UTF-8' );
- if ( ord( $firstChar ) > 0x7f && self::isCjk( utf8ToCodepoint( $firstChar ) ) ) {
+ if ( ord( $firstChar ) > 0x7f && self::isCjk( UtfNormal\Utils::utf8ToCodepoint( $firstChar ) ) ) {
return $firstChar;
}