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Long Term Support Release
<?php>/** * This file is part of FPDI * * @package setasign\Fpdi< * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)> * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)* @license http://opensource.org/licenses/mit-license The MIT License */ namespace setasign\Fpdi\PdfParser\Filter; /** * Class for handling ASCII hexadecimal encoded data< * < * @package setasign\Fpdi\PdfParser\Filter*/ class AsciiHex implements FilterInterface { /** * Converts an ASCII hexadecimal encoded string into its binary representation. * * @param string $data The input string * @return string */ public function decode($data) { $data = \preg_replace('/[^0-9A-Fa-f]/', '', \rtrim($data, '>')); if ((\strlen($data) % 2) === 1) { $data .= '0'; } return \pack('H*', $data); } /** * Converts a string into ASCII hexadecimal representation. * * @param string $data The input string * @param boolean $leaveEOD * @return string */ public function encode($data, $leaveEOD = false) { $t = \unpack('H*', $data); return \current($t) . ($leaveEOD ? '' : '>'); } }