781      * @param   string  $char    Character.
784     public static function getCharDirection($char)  argument
786         $c = static::toCode($char);
882      * @param   string  $char    Character.
885     public static function getCharWidth($char)  argument
887         $char = (string) $char;
888         $c    = static::toCode($char);
901             0    !== preg_match('#^[\p{Mn}\p{Me}\p{Cf}\x{1160}-\x{11ff}\x{200b}]#u', $char)) {
925      * @param   string  $char    Character.
928     public static function isCharPrintable($char)  argument
930         return 1 <= static::getCharWidth($char);
951      * @param   string  $char    Character.
954     public static function toCode($char)  argument
956         $char  = (string) $char;
957         $code  = ord($char[0]);
976             $code = ($code << 6) + (ord($char[$i - 1]) & ~0x80);
985      * @param   string  $char    Character.
988     public static function toBinaryCode($char)  argument
990         $char = (string) $char;
993         for ($i = 0, $max = strlen($char); $i < $max; ++$i) {
994             $out .= vsprintf('%08b', ord($char[$i]));