getid3_lib::PrintHexBytes( string $string, bool $hex = true, bool $spaces = true, string|bool $htmlencoding = 'UTF-8' ): string

32	public static function PrintHexBytes($string, $hex=true, $spaces=true, $htmlencoding='UTF-8') {33		$returnstring = '';34		for ($i = 0; $i < strlen($string); $i++) {35			if ($hex) {36				$returnstring .= str_pad(dechex(ord($string[$i])), 2, '0', STR_PAD_LEFT);37			} else {38				$returnstring .= ' '.(preg_match("#[\x20-\x7E]#", $string[$i]) ? $string[$i] : '¤');39			}40			if ($spaces) {41				$returnstring .= ' ';42			}43		}44		if (!empty($htmlencoding)) {45			if ($htmlencoding === true) {46				$htmlencoding = 'UTF-8'; // prior to getID3 v1.9.0 the function's 4th parameter was boolean47			}48			$returnstring = htmlentities($returnstring, ENT_QUOTES, $htmlencoding);49		}50		return $returnstring;51	}