diff options
Diffstat (limited to 'vendor/iio/libmergepdf/tcpdi/tcpdi.php')
| -rw-r--r-- | vendor/iio/libmergepdf/tcpdi/tcpdi.php | 841 |
1 files changed, 841 insertions, 0 deletions
diff --git a/vendor/iio/libmergepdf/tcpdi/tcpdi.php b/vendor/iio/libmergepdf/tcpdi/tcpdi.php new file mode 100644 index 0000000..f210d42 --- /dev/null +++ b/vendor/iio/libmergepdf/tcpdi/tcpdi.php @@ -0,0 +1,841 @@ +<?php +// +// TCPDI - Version 1.1 +// Based on FPDI - Version 1.4.4 +// +// Copyright 2004-2013 Setasign - Jan Slabon +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// + +// Dummy shim to allow unmodified use of fpdf_tpl +class FPDF extends TCPDF {} + +require_once('fpdf_tpl.php'); + +require_once('tcpdi_parser.php'); + + +class TCPDI extends FPDF_TPL { + /** + * Actual filename + * @var string + */ + public $current_filename; + + /** + * Parser-Objects + * @var array + */ + public $parsers = array(); + + /** + * Current parser + * @var object + */ + public $current_parser; + + /** + * object stack + * @var array + */ + protected $_obj_stack = array(); + + /** + * done object stack + * @var array + */ + protected $_don_obj_stack = array(); + + /** + * Current Object Id. + * @var integer + */ + protected $_current_obj_id; + + /** + * The name of the last imported page box + * @var string + */ + public $lastUsedPageBox; + + /** + * Cache for imported pages/template ids + * @var array + */ + protected $_importedPages = array(); + + /** + * Cache for imported page annotations + * @var array + */ + protected $_importedAnnots = array(); + + /** + * Number of TOC pages, used for annotation offset + * @var integer + */ + protected $_numTOCpages = 0; + + /** + * First TOC page, used for annotation offset + * @var integer + */ + protected $_TOCpagenum = 0; + + /** + * Set a source-file + * + * @param string $filename a valid filename + * @return int number of available pages + */ + public function setSourceFile($filename) { + $this->current_filename = $filename; + + if (!isset($this->parsers[$filename])) + $this->parsers[$filename] = $this->_getPdfParser($filename); + $this->current_parser =& $this->parsers[$filename]; + $this->setPDFVersion(max($this->getPDFVersion(), $this->current_parser->getPDFVersion())); + + return $this->parsers[$filename]->getPageCount(); + } + + /** + * Set a source-file PDF data + * + * @param string $pdfdata The PDF file content + * @return int number of available pages + */ + public function setSourceData($pdfdata) { + $filename = uniqid('tcpdi-'); + $this->current_filename = $filename; + + if (!isset($this->parsers[$filename])) + $this->parsers[$filename] = new tcpdi_parser($pdfdata, $filename); + $this->current_parser =& $this->parsers[$filename]; + $this->setPDFVersion(max($this->getPDFVersion(), $this->current_parser->getPDFVersion())); + + return $this->parsers[$filename]->getPageCount(); + } + + /** + * Returns a PDF parser object + * + * @param string $filename + * @return fpdi_pdf_parser + */ + protected function _getPdfParser($filename) { + $data = file_get_contents($filename); + return new tcpdi_parser($data, $filename); + } + + /** + * Get the current PDF version + * + * @return string + */ + public function getPDFVersion() { + return $this->PDFVersion; + } + + /** + * Set the PDF version + * + * @return string + */ + public function setPDFVersion($version = '1.3') { + $this->PDFVersion = $version; + } + + /** + * Import a page + * + * @param int $pageno pagenumber + * @return int Index of imported page - to use with fpdf_tpl::useTemplate() + */ + public function importPage($pageno, $boxName = '/CropBox') { + if ($this->_intpl) { + return $this->error('Please import the desired pages before creating a new template.'); + } + + $fn = $this->current_filename; + + // check if page already imported + $pageKey = $fn . '-' . ((int)$pageno) . $boxName; + if (isset($this->_importedPages[$pageKey])) + return $this->_importedPages[$pageKey]; + + $parser =& $this->parsers[$fn]; + $parser->setPageno($pageno); + + if (!in_array($boxName, $parser->availableBoxes)) + return $this->Error(sprintf('Unknown box: %s', $boxName)); + + $pageboxes = $parser->getPageBoxes($pageno, $this->k); + + /** + * MediaBox + * CropBox: Default -> MediaBox + * BleedBox: Default -> CropBox + * TrimBox: Default -> CropBox + * ArtBox: Default -> CropBox + */ + if (!isset($pageboxes[$boxName]) && ($boxName == '/BleedBox' || $boxName == '/TrimBox' || $boxName == '/ArtBox')) + $boxName = '/CropBox'; + if (!isset($pageboxes[$boxName]) && $boxName == '/CropBox') + $boxName = '/MediaBox'; + + if (!isset($pageboxes[$boxName])) + return false; + + $this->lastUsedPageBox = $boxName; + + $box = $pageboxes[$boxName]; + + $this->tpl++; + $this->tpls[$this->tpl] = array(); + $tpl =& $this->tpls[$this->tpl]; + $tpl['parser'] =& $parser; + $tpl['resources'] = $parser->getPageResources(); + $tpl['buffer'] = $parser->getContent(); + $tpl['box'] = $box; + + // To build an array that can be used by PDF_TPL::useTemplate() + $this->tpls[$this->tpl] = array_merge($this->tpls[$this->tpl], $box); + + // An imported page will start at 0,0 everytime. Translation will be set in _putformxobjects() + $tpl['x'] = 0; + $tpl['y'] = 0; + + // handle rotated pages + $rotation = $parser->getPageRotation($pageno); + $tpl['_rotationAngle'] = 0; + if (isset($rotation[1]) && ($angle = $rotation[1] % 360) != 0) { + $steps = $angle / 90; + + $_w = $tpl['w']; + $_h = $tpl['h']; + $tpl['w'] = $steps % 2 == 0 ? $_w : $_h; + $tpl['h'] = $steps % 2 == 0 ? $_h : $_w; + + if ($angle < 0) + $angle += 360; + + $tpl['_rotationAngle'] = $angle * -1; + } + + $this->_importedPages[$pageKey] = $this->tpl; + + return $this->tpl; + } + + public function setPageFormatFromTemplatePage($pageno, $orientation) { + $fn = $this->current_filename; + $parser =& $this->parsers[$fn]; + $parser->setPageno($pageno); + $boxes = $parser->getPageBoxes($pageno, $this->k); + foreach ($boxes as $name => $box) { + if ($name[0] == '/') { + $boxes[substr($name, 1)] = $box; + unset($boxes[$name]); + } + } + $this->setPageFormat($boxes, $orientation); + } + + /* Wrapper for AddPage() which tracks TOC pages to offset annotations later */ + public function AddPage($orientation='', $format='', $keepmargins=false, $tocpage=false) { + if ($this->inxobj) { + // we are inside an XObject template + return; + } + parent::AddPage($orientation, $format, $keepmargins, $tocpage); + if ($this->tocpage) { + $this->_numTOCpages++; + } + } + + /* Wrapper for AddTOC() which tracks TOC position to offset annotations later */ + public function AddTOC($page='', $numbersfont='', $filler='.', $toc_name='TOC', $style='', $color=array(0,0,0)) { + if (!TCPDF_STATIC::empty_string($page)) { + $this->_TOCpagenum = $page; + } else { + $this->_TOCpagenum = $this->page; + } + + parent::AddTOC($page, $numbersfont, $filler, $toc_name, $style, $color); + } + + public function importAnnotations($pageno) { + $fn = $this->current_filename; + $parser =& $this->parsers[$fn]; + $parser->setPageno($pageno); + $annots = $parser->getPageAnnotations(); + + if (is_array($annots) && $annots[0] == PDF_TYPE_OBJECT // We got an object + && is_array($annots[1]) && $annots[1][0] == PDF_TYPE_ARRAY // It's an array + && is_array($annots[1][1]) && count($annots[1][1] > 1) // It's not empty - there are annotations for this page + ) { + if (!isset($this->_obj_stack[$fn])) { + $this->_obj_stack[$fn] = array(); + } + + $this->_importedAnnots[$this->page] = array(); + foreach ($annots[1][1] as $annot) { + $this->importAnnotation($annot); + } + } + } + + public function importAnnotation($annotation) { + $fn = $this->current_filename; + $old_id = $annotation[1]; + $value = array(PDF_TYPE_OBJREF, $old_id, 0); + if (!isset($this->_don_obj_stack[$fn][$old_id])) { + $this->_newobj(false, true); + $this->_obj_stack[$fn][$old_id] = array($this->n, $value); + $this->_don_obj_stack[$fn][$old_id] = array($this->n, $value); + } + $objid = $this->_don_obj_stack[$fn][$old_id][0]; + $this->_importedAnnots[$this->page][] = $objid; + } + + /** + * Get references to page annotations. + * @param $n (int) page number + * @return string + * @protected + * @author Nicola Asuni + * @since 5.0.010 (2010-05-17) + */ + protected function _getannotsrefs($n) { + if (!empty($this->_numTOCpages) && $n >= $this->_TOCpagenum) { + // Offset page number to account for TOC being inserted before page containing annotations. + $n -= $this->_numTOCpages; + } + if (!(isset($this->_importedAnnots[$n]) OR isset($this->PageAnnots[$n]) OR ($this->sign AND isset($this->signature_data['cert_type'])))) { + return ''; + } + $out = ' /Annots ['; + if (isset($this->_importedAnnots[$n])) { + foreach ($this->_importedAnnots[$n] as $key => $val) { + $out .= ' '.$val.' 0 R'; + } + } + if (isset($this->PageAnnots[$n])) { + foreach ($this->PageAnnots[$n] as $key => $val) { + if (!in_array($val['n'], $this->radio_groups)) { + $out .= ' '.$val['n'].' 0 R'; + } + } + // add radiobutton groups + if (isset($this->radiobutton_groups[$n])) { + foreach ($this->radiobutton_groups[$n] as $key => $data) { + if (isset($data['n'])) { + $out .= ' '.$data['n'].' 0 R'; + } + } + } + } + if ($this->sign AND ($n == $this->signature_appearance['page']) AND isset($this->signature_data['cert_type'])) { + // set reference for signature object + $out .= ' '.$this->sig_obj_id.' 0 R'; + } + if (!empty($this->empty_signature_appearance)) { + foreach ($this->empty_signature_appearance as $esa) { + if ($esa['page'] == $n) { + // set reference for empty signature objects + $out .= ' '.$esa['objid'].' 0 R'; + } + } + } + $out .= ' ]'; + return $out; + } + + /** + * Returns the last used page box + * + * @return string + */ + public function getLastUsedPageBox() { + return $this->lastUsedPageBox; + } + + + public function useTemplate($tplidx, $_x = null, $_y = null, $_w = 0, $_h = 0, $adjustPageSize = false) { + if ($adjustPageSize == true && is_null($_x) && is_null($_y)) { + $size = $this->getTemplateSize($tplidx, $_w, $_h); + $orientation = $size['w'] > $size['h'] ? 'L' : 'P'; + $size = array($size['w'], $size['h']); + + $this->setPageFormat($size, $orientation); + } + + $this->_out('q 0 J 1 w 0 j 0 G 0 g'); // reset standard values + $s = parent::useTemplate($tplidx, $_x, $_y, $_w, $_h); + $this->_out('Q'); + + return $s; + } + + /** + * Private method, that rebuilds all needed objects of source files + */ + public function _putimportedobjects() { + if (is_array($this->parsers) && count($this->parsers) > 0) { + foreach($this->parsers AS $filename => $p) { + $this->current_parser =& $this->parsers[$filename]; + if (isset($this->_obj_stack[$filename]) && is_array($this->_obj_stack[$filename])) { + while(($n = key($this->_obj_stack[$filename])) !== null) { + $nObj = $this->current_parser->getObjectVal($this->_obj_stack[$filename][$n][1]); + + $this->_newobj($this->_obj_stack[$filename][$n][0]); + + if ($nObj[0] == PDF_TYPE_STREAM) { + $this->pdf_write_value($nObj); + } else { + $this->pdf_write_value($nObj[1]); + } + + $this->_out('endobj'); + $this->_obj_stack[$filename][$n] = null; // free memory + unset($this->_obj_stack[$filename][$n]); + reset($this->_obj_stack[$filename]); + } + } + + // We're done with this parser. Clean it up to free a bit of RAM. + $this->current_parser->cleanUp(); + unset($this->parsers[$filename]); + } + } + } + + + /** + * Private Method that writes the form xobjects + */ + public function _putformxobjects() { + $filter=($this->compress) ? '/Filter /FlateDecode ' : ''; + reset($this->tpls); + foreach($this->tpls AS $tplidx => $tpl) { + $p=($this->compress) ? gzcompress($tpl['buffer']) : $tpl['buffer']; + $this->_newobj(); + $cN = $this->n; // TCPDF/Protection: rem current "n" + + $this->tpls[$tplidx]['n'] = $this->n; + $this->_out('<<' . $filter . '/Type /XObject'); + $this->_out('/Subtype /Form'); + $this->_out('/FormType 1'); + + $this->_out(sprintf('/BBox [%.2F %.2F %.2F %.2F]', + (isset($tpl['box']['llx']) ? $tpl['box']['llx'] : $tpl['x']) * $this->k, + (isset($tpl['box']['lly']) ? $tpl['box']['lly'] : -$tpl['y']) * $this->k, + (isset($tpl['box']['urx']) ? $tpl['box']['urx'] : $tpl['w'] + $tpl['x']) * $this->k, + (isset($tpl['box']['ury']) ? $tpl['box']['ury'] : $tpl['h'] - $tpl['y']) * $this->k + )); + + $c = 1; + $s = 0; + $tx = 0; + $ty = 0; + + if (isset($tpl['box'])) { + $tx = -$tpl['box']['llx']; + $ty = -$tpl['box']['lly']; + + if ($tpl['_rotationAngle'] <> 0) { + $angle = $tpl['_rotationAngle'] * M_PI/180; + $c=cos($angle); + $s=sin($angle); + + switch($tpl['_rotationAngle']) { + case -90: + $tx = -$tpl['box']['lly']; + $ty = $tpl['box']['urx']; + break; + case -180: + $tx = $tpl['box']['urx']; + $ty = $tpl['box']['ury']; + break; + case -270: + $tx = $tpl['box']['ury']; + $ty = -$tpl['box']['llx']; + break; + } + } + } elseif ($tpl['x'] != 0 || $tpl['y'] != 0) { + $tx = -$tpl['x'] * 2; + $ty = $tpl['y'] * 2; + } + + $tx *= $this->k; + $ty *= $this->k; + + if ($c != 1 || $s != 0 || $tx != 0 || $ty != 0) { + $this->_out(sprintf('/Matrix [%.5F %.5F %.5F %.5F %.5F %.5F]', + $c, $s, -$s, $c, $tx, $ty + )); + } + + $this->_out('/Resources '); + + if (isset($tpl['resources'])) { + $this->current_parser =& $tpl['parser']; + $this->pdf_write_value($tpl['resources']); // "n" will be changed + } else { + $this->_out('<</ProcSet [/PDF /Text /ImageB /ImageC /ImageI]'); + if (isset($this->_res['tpl'][$tplidx]['fonts']) && count($this->_res['tpl'][$tplidx]['fonts'])) { + $this->_out('/Font <<'); + foreach($this->_res['tpl'][$tplidx]['fonts'] as $font) + $this->_out('/F' . $font['i'] . ' ' . $font['n'] . ' 0 R'); + $this->_out('>>'); + } + if(isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images']) || + isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls'])) + { + $this->_out('/XObject <<'); + if (isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images'])) { + foreach($this->_res['tpl'][$tplidx]['images'] as $image) + $this->_out('/I' . $image['i'] . ' ' . $image['n'] . ' 0 R'); + } + if (isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls'])) { + foreach($this->_res['tpl'][$tplidx]['tpls'] as $i => $tpl) + $this->_out($this->tplprefix . $i . ' ' . $tpl['n'] . ' 0 R'); + } + $this->_out('>>'); + } + $this->_out('>>'); + } + + $this->_out('/Group <</Type/Group/S/Transparency>>'); + + $nN = $this->n; // TCPDF: rem new "n" + $this->n = $cN; // TCPDF: reset to current "n" + + $p = $this->_getrawstream($p); + $this->_out('/Length ' . strlen($p) . ' >>'); + $this->_out("stream\n" . $p . "\nendstream"); + + $this->_out('endobj'); + $this->n = $nN; // TCPDF: reset to new "n" + } + + $this->_putimportedobjects(); + } + + /** + * Rewritten to handle existing own defined objects + */ + protected function _newobj($obj_id = false, $onlynewobj = false) { + if (!$obj_id) { + $obj_id = ++$this->n; + } + + //Begin a new object + if (!$onlynewobj) { + $this->offsets[$obj_id] = $this->bufferlen; + $this->_out($obj_id . ' 0 obj'); + $this->_current_obj_id = $obj_id; // for later use with encryption + } + + return $obj_id; + } + + /** + * Writes a value + * Needed to rebuild the source document + * + * @param mixed $value A PDF-Value. Structure of values see cases in this method + */ + public function pdf_write_value(&$value) + { + switch ($value[0]) { + case PDF_TYPE_STRING: + if ($this->encrypted) { + $value[1] = $this->_unescape($value[1]); + $value[1] = $this->_encrypt_data($this->_current_obj_id, $value[1]); + $value[1] = TCPDF_STATIC::_escape($value[1]); + } + break; + + case PDF_TYPE_STREAM: + if ($this->encrypted) { + $value[2][1] = $this->_encrypt_data($this->_current_obj_id, $value[2][1]); + $value[1][1]['/Length'] = array( + PDF_TYPE_NUMERIC, + strlen($value[2][1]) + ); + } + break; + + case PDF_TYPE_HEX: + if ($this->encrypted) { + $value[1] = $this->hex2str($value[1]); + $value[1] = $this->_encrypt_data($this->_current_obj_id, $value[1]); + + // remake hexstring of encrypted string + $value[1] = $this->str2hex($value[1]); + } + break; + } + + switch ($value[0]) { + + case PDF_TYPE_TOKEN: + $this->_straightOut('/'.$value[1] . ' '); + break; + case PDF_TYPE_NUMERIC: + case PDF_TYPE_REAL: + if (is_float($value[1]) && $value[1] != 0) { + $this->_straightOut(rtrim(rtrim(sprintf('%F', $value[1]), '0'), '.') . ' '); + } else { + $this->_straightOut($value[1] . ' '); + } + break; + + case PDF_TYPE_ARRAY: + + // An array. Output the proper + // structure and move on. + + $this->_straightOut('['); + for ($i = 0; $i < count($value[1]); $i++) { + $this->pdf_write_value($value[1][$i]); + } + + $this->_out(']'); + break; + + case PDF_TYPE_DICTIONARY: + + // A dictionary. + $this->_straightOut('<<'); + + foreach ($value[1] as $k => $v) { + $this->_straightOut($k . ' '); + $this->pdf_write_value($v); + } + + $this->_straightOut('>>'); + break; + + case PDF_TYPE_OBJREF: + + // An indirect object reference + // Fill the object stack if needed + $cpfn =& $this->current_parser->uniqueid; + + if (!isset($this->_don_obj_stack[$cpfn][$value[1]])) { + $this->_newobj(false, true); + $this->_obj_stack[$cpfn][$value[1]] = array($this->n, $value); + $this->_don_obj_stack[$cpfn][$value[1]] = array($this->n, $value); // Value is maybee obsolete!!! + } + $objid = $this->_don_obj_stack[$cpfn][$value[1]][0]; + + $this->_out($objid . ' 0 R'); + break; + + case PDF_TYPE_STRING: + + // A string. + $this->_straightOut('(' . $value[1] . ')'); + + break; + + case PDF_TYPE_STREAM: + + // A stream. First, output the + // stream dictionary, then the + // stream data itself. + $this->pdf_write_value($value[1]); + $this->_out('stream'); + $this->_out($value[2][1]); + $this->_out('endstream'); + break; + + case PDF_TYPE_HEX: + $this->_straightOut('<' . $value[1] . '>'); + break; + + case PDF_TYPE_BOOLEAN: + $this->_straightOut($value[1] ? 'true ' : 'false '); + break; + + case PDF_TYPE_NULL: + // The null object. + + $this->_straightOut('null '); + break; + } + } + + /** + * Modified so not each call will add a newline to the output. + */ + protected function _straightOut($s) { + if ($this->state == 2) { + if ($this->inxobj) { + // we are inside an XObject template + $this->xobjects[$this->xobjid]['outdata'] .= $s; + } elseif ((!$this->InFooter) AND isset($this->footerlen[$this->page]) AND ($this->footerlen[$this->page] > 0)) { + // puts data before page footer + $pagebuff = $this->getPageBuffer($this->page); + $page = substr($pagebuff, 0, -$this->footerlen[$this->page]); + $footer = substr($pagebuff, -$this->footerlen[$this->page]); + $this->setPageBuffer($this->page, $page.$s.$footer); + // update footer position + $this->footerpos[$this->page] += strlen($s); + } else { + // set page data + $this->setPageBuffer($this->page, $s, true); + } + } elseif ($this->state > 0) { + // set general data + $this->setBuffer($s); + } + } + + /** + * rewritten to close opened parsers + * + */ + protected function _enddoc() { + parent::_enddoc(); + $this->_closeParsers(); + } + + /** + * close all files opened by parsers + */ + protected function _closeParsers() { + if ($this->state > 2 && count($this->parsers) > 0) { + $this->cleanUp(); + return true; + } + return false; + } + + /** + * Removes cylced references and closes the file handles of the parser objects + */ + public function cleanUp() { + foreach ($this->parsers as $k => $_){ + $this->parsers[$k]->cleanUp(); + $this->parsers[$k] = null; + unset($this->parsers[$k]); + } + } + + // Functions from here on are taken from FPDI's fpdi2tcpdf_bridge.php to remove dependence on it + protected function _putstream($s, $n=0) { + $this->_out($this->_getstream($s, $n)); + } + + protected function _getxobjectdict() { + $out = parent::_getxobjectdict(); + if (count($this->tpls)) { + foreach($this->tpls as $tplidx => $tpl) { + $out .= sprintf('%s%d %d 0 R', $this->tplprefix, $tplidx, $tpl['n']); + } + } + + return $out; + } + + /** + * Unescapes a PDF string + * + * @param string $s + * @return string + */ + protected function _unescape($s) { + $out = ''; + for ($count = 0, $n = strlen($s); $count < $n; $count++) { + if ($s[$count] != '\\' || $count == $n-1) { + $out .= $s[$count]; + } else { + switch ($s[++$count]) { + case ')': + case '(': + case '\\': + $out .= $s[$count]; + break; + case 'f': + $out .= chr(0x0C); + break; + case 'b': + $out .= chr(0x08); + break; + case 't': + $out .= chr(0x09); + break; + case 'r': + $out .= chr(0x0D); + break; + case 'n': + $out .= chr(0x0A); + break; + case "\r": + if ($count != $n-1 && $s[$count+1] == "\n") + $count++; + break; + case "\n": + break; + default: + // Octal-Values + if (ord($s[$count]) >= ord('0') && + ord($s[$count]) <= ord('9')) { + $oct = ''. $s[$count]; + + if (ord($s[$count+1]) >= ord('0') && + ord($s[$count+1]) <= ord('9')) { + $oct .= $s[++$count]; + + if (ord($s[$count+1]) >= ord('0') && + ord($s[$count+1]) <= ord('9')) { + $oct .= $s[++$count]; + } + } + + $out .= chr(octdec($oct)); + } else { + $out .= $s[$count]; + } + } + } + } + return $out; + } + + /** + * Hexadecimal to string + * + * @param string $hex + * @return string + */ + public function hex2str($hex) { + return pack('H*', str_replace(array("\r", "\n", ' '), '', $hex)); + } + + /** + * String to hexadecimal + * + * @param string $str + * @return string + */ + public function str2hex($str) { + return current(unpack('H*', $str)); + } +} |