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<?php
/**
 * @package dompdf
 * @link    http://dompdf.github.com/
 * @author  Benj Carson <benjcarson@digitaljunkies.ca>
 * @author  Fabien Ménager <fabien.menager@gmail.com>
 * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
 */
namespace Dompdf;

use DOMDocument;
use DOMNode;
use Dompdf\Adapter\CPDF;
use DOMXPath;
use Dompdf\Frame\Factory;
use Dompdf\Frame\FrameTree;
use HTML5_Tokenizer;
use HTML5_TreeBuilder;
use Dompdf\Image\Cache;
use Dompdf\Css\Stylesheet;
use Dompdf\Helpers;

/**
 * Dompdf - PHP5 HTML to PDF renderer
 *
 * Dompdf loads HTML and does its best to render it as a PDF.  It gets its
 * name from the new DomDocument PHP5 extension.  Source HTML is first
 * parsed by a DomDocument object.  Dompdf takes the resulting DOM tree and
 * attaches a {@link Frame} object to each node.  {@link Frame} objects store
 * positioning and layout information and each has a reference to a {@link
 * Style} object.
 *
 * Style information is loaded and parsed (see {@link Stylesheet}) and is
 * applied to the frames in the tree by using XPath.  CSS selectors are
 * converted into XPath queries, and the computed {@link Style} objects are
 * applied to the {@link Frame}s.
 *
 * {@link Frame}s are then decorated (in the design pattern sense of the
 * word) based on their CSS display property ({@link
 * http://www.w3.org/TR/CSS21/visuren.html#propdef-display}).
 * Frame_Decorators augment the basic {@link Frame} class by adding
 * additional properties and methods specific to the particular type of
 * {@link Frame}.  For example, in the CSS layout model, block frames
 * (display: block;) contain line boxes that are usually filled with text or
 * other inline frames.  The Block therefore adds a $lines
 * property as well as methods to add {@link Frame}s to lines and to add
 * additional lines.  {@link Frame}s also are attached to specific
 * AbstractPositioner and {@link AbstractFrameReflower} objects that contain the
 * positioining and layout algorithm for a specific type of frame,
 * respectively.  This is an application of the Strategy pattern.
 *
 * Layout, or reflow, proceeds recursively (post-order) starting at the root
 * of the document.  Space constraints (containing block width & height) are
 * pushed down, and resolved positions and sizes bubble up.  Thus, every
 * {@link Frame} in the document tree is traversed once (except for tables
 * which use a two-pass layout algorithm).  If you are interested in the
 * details, see the reflow() method of the Reflower classes.
 *
 * Rendering is relatively straightforward once layout is complete. {@link
 * Frame}s are rendered using an adapted {@link Cpdf} class, originally
 * written by Wayne Munro, http://www.ros.co.nz/pdf/.  (Some performance
 * related changes have been made to the original {@link Cpdf} class, and
 * the {@link Dompdf\Adapter\CPDF} class provides a simple, stateless interface to
 * PDF generation.)  PDFLib support has now also been added, via the {@link
 * Dompdf\Adapter\PDFLib}.
 *
 *
 * @package dompdf
 */
class Dompdf
{
    /**
     * Version string for dompdf
     *
     * @var string
     */
    private $version = 'dompdf';

/**
     * DomDocument representing the HTML document
     *
     * @var DOMDocument
     */
    private $dom;

/**
     * FrameTree derived from the DOM tree
     *
     * @var FrameTree
     */
    private $tree;

/**
     * Stylesheet for the document
     *
     * @var Stylesheet
     */
    private $css;

/**
     * Actual PDF renderer
     *
     * @var Canvas
     */
    private $canvas;

/**
     * Desired paper size ('letter', 'legal', 'A4', etc.)
     *
     * @var string|array
     */
    private $paperSize;

/**
     * Paper orientation ('portrait' or 'landscape')
     *
     * @var string
     */
    private $paperOrientation = "portrait";

/**
     * Callbacks on new page and new element
     *
     * @var array
     */
    private $callbacks = [];

/**
     * Experimental caching capability
     *
     * @var string
     */
    private $cacheId;

/**
     * Base hostname
     *
     * Used for relative paths/urls
     * @var string
     */
    private $baseHost = "";

/**
     * Absolute base path
     *
     * Used for relative paths/urls
     * @var string
     */
    private $basePath = "";

/**
     * Protocol used to request file (file://, http://, etc)
     *
     * @var string
     */
    private $protocol = "";

/**
     * The system's locale
     *
     * @var string
     */
    private $systemLocale = null;

/**
     * The system's mbstring internal encoding
     *
     * @var string
     */
    private $mbstringEncoding = null;

/**
     * The system's PCRE JIT configuration
     *
     * @var string
     */
    private $pcreJit = null;

/**
     * The default view of the PDF in the viewer
     *
     * @var string
     */
    private $defaultView = "Fit";

/**
     * The default view options of the PDF in the viewer
     *
     * @var array
     */
    private $defaultViewOptions = [];

/**
     * Tells whether the DOM document is in quirksmode (experimental)
     *
     * @var bool
     */
    private $quirksmode = false;

/**
    * Protocol whitelist
    *
    * Protocols and PHP wrappers allowed in URLs. Full support is not
    * guaranteed for the protocols/wrappers contained in this array.
    *
    * @var array
    */
    private $allowedProtocols = ["", "file://", "http://", "https://"];

/**
    * Local file extension whitelist
    *
    * File extensions supported by dompdf for local files.
    *
    * @var array
    */
    private $allowedLocalFileExtensions = ["htm", "html"];

/**
     * @var array
     */
    private $messages = [];

/**
     * @var Options
     */
    private $options;

/**
     * @var FontMetrics
     */
    private $fontMetrics;

/**
     * The list of built-in fonts
     *
     * @var array
     * @deprecated
     */
    public static $native_fonts = [
        "courier", "courier-bold", "courier-oblique", "courier-boldoblique",
        "helvetica", "helvetica-bold", "helvetica-oblique", "helvetica-boldoblique",
        "times-roman", "times-bold", "times-italic", "times-bolditalic",
        "symbol", "zapfdinbats"
    ];

/**
     * The list of built-in fonts
     *
     * @var array
     */
    public static $nativeFonts = [
        "courier", "courier-bold", "courier-oblique", "courier-boldoblique",
        "helvetica", "helvetica-bold", "helvetica-oblique", "helvetica-boldoblique",
        "times-roman", "times-bold", "times-italic", "times-bolditalic",
        "symbol", "zapfdinbats"
    ];

/**
     * Class constructor
     *
     * @param array|Options $options
     */
    public function __construct($options = null)
    {
        if (isset($options) && $options instanceof Options) {
            $this->setOptions($options);
        } elseif (is_array($options)) {
            $this->setOptions(new Options($options));
        } else {
            $this->setOptions(new Options());
        }

$versionFile = realpath(__DIR__ . '/../VERSION');
        if (file_exists($versionFile) && ($version = trim(file_get_contents($versionFile))) !== false && $version !== '$Format:<%h>$') {
            $this->version = sprintf('dompdf %s', $version);
        }

$this->setPhpConfig();

$this->paperSize = $this->options->getDefaultPaperSize();
        $this->paperOrientation = $this->options->getDefaultPaperOrientation();

$this->setCanvas(CanvasFactory::get_instance($this, $this->paperSize, $this->paperOrientation));
        $this->setFontMetrics(new FontMetrics($this->getCanvas(), $this->getOptions()));
        $this->css = new Stylesheet($this);

$this->restorePhpConfig();
    }

/**
     * Save the system's existing locale, PCRE JIT, and MBString encoding
     * configuration and configure the system for Dompdf processing
     */
    private function setPhpConfig()
    {
        if (sprintf('%.1f', 1.0) !== '1.0') {
            $this->systemLocale = setlocale(LC_NUMERIC, "0");
            setlocale(LC_NUMERIC, "C");
        }

$this->pcreJit = @ini_get('pcre.jit');
        @ini_set('pcre.jit', '0');

$this->mbstringEncoding = mb_internal_encoding();
        mb_internal_encoding('UTF-8');
    }

/**
     * Restore the system's locale configuration
     */
    private function restorePhpConfig()
    {
        if ($this->systemLocale !== null) {
            setlocale(LC_NUMERIC, $this->systemLocale);
            $this->systemLocale = null;
        }

if ($this->pcreJit !== null) {
            @ini_set('pcre.jit', $this->pcreJit);
            $this->pcreJit = null;
        }

if ($this->mbstringEncoding !== null) {
            mb_internal_encoding($this->mbstringEncoding);
            $this->mbstringEncoding = null;
        }
    }

/**
     * @param $file
     * @deprecated
     */
    public function load_html_file($file)
    {
        $this->loadHtmlFile($file);
    }

/**
     * Loads an HTML file
     * Parse errors are stored in the global array _dompdf_warnings.
     *
     * @param string $file a filename or url to load
     * @param string $encoding Encoding of $file
     *
     * @throws Exception
     */
    public function loadHtmlFile($file, $encoding = null)
    {
        $this->setPhpConfig();

if (!$this->protocol && !$this->baseHost && !$this->basePath) {
            [$this->protocol, $this->baseHost, $this->basePath] = Helpers::explode_url($file);
        }
        $protocol = strtolower($this->protocol);
        
        $uri = Helpers::build_url($this->protocol, $this->baseHost, $this->basePath, $file);

if (!in_array($protocol, $this->allowedProtocols, true)) {
            throw new Exception("Permission denied on $file. The communication protocol is not supported.");
        }

if (!$this->options->isRemoteEnabled() && ($protocol !== "" && $protocol !== "file://")) {
            throw new Exception("Remote file requested, but remote file download is disabled.");
        }

if ($protocol === "" || $protocol === "file://") {
            $realfile = realpath($uri);

$chroot = $this->options->getChroot();
            $chrootValid = false;
            foreach ($chroot as $chrootPath) {
                $chrootPath = realpath($chrootPath);
                if ($chrootPath !== false && strpos($realfile, $chrootPath) === 0) {
                    $chrootValid = true;
                    break;
                }
            }
            if ($chrootValid !== true) {
                throw new Exception("Permission denied on $file. The file could not be found under the paths specified by Options::chroot.");
            }

$ext = strtolower(pathinfo($realfile, PATHINFO_EXTENSION));
            if (!in_array($ext, $this->allowedLocalFileExtensions)) {
                throw new Exception("Permission denied on $file. This file extension is forbidden");
            }

if (!$realfile) {
                throw new Exception("File '$file' not found.");
            }

$uri = $realfile;
        }

[$contents, $http_response_header] = Helpers::getFileContent($uri, $this->options->getHttpContext());
        if ($contents === null) {
            throw new Exception("File '$file' not found.");
        }

// See http://the-stickman.com/web-development/php/getting-http-response-headers-when-using-file_get_contents/
        if (isset($http_response_header)) {
            foreach ($http_response_header as $_header) {
                if (preg_match("@Content-Type:\s*[\w/]+;\s*?charset=([^\s]+)@i", $_header, $matches)) {
                    $encoding = strtoupper($matches[1]);
                    break;
                }
            }
        }

$this->restorePhpConfig();

$this->loadHtml($contents, $encoding);
    }

/**
     * @param string $str
     * @param string $encoding
     * @deprecated
     */
    public function load_html($str, $encoding = null)
    {
        $this->loadHtml($str, $encoding);
    }

public function loadDOM($doc, $quirksmode = false) {
        // Remove #text children nodes in nodes that shouldn't have
        $tag_names = ["html", "head", "table", "tbody", "thead", "tfoot", "tr"];
        foreach ($tag_names as $tag_name) {
            $nodes = $doc->getElementsByTagName($tag_name);

foreach ($nodes as $node) {
                self::removeTextNodes($node);
            }
        }

$this->dom = $doc;
        $this->quirksmode = $quirksmode;
        $this->tree = new FrameTree($this->dom);
    }

/**
     * Loads an HTML string
     * Parse errors are stored in the global array _dompdf_warnings.
     *
     * @param string $str HTML text to load
     * @param string $encoding Encoding of $str
     */
    public function loadHtml($str, $encoding = null)
    {
        $this->setPhpConfig();

// Determine character encoding when $encoding parameter not used
        if ($encoding === null) {
            mb_detect_order('auto');
            if (($encoding = mb_detect_encoding($str, null, true)) === false) {

//"auto" is expanded to "ASCII,JIS,UTF-8,EUC-JP,SJIS"
                $encoding = "auto";
            }
        }

if (in_array(strtoupper($encoding), array('UTF-8','UTF8')) === false) {
            $str = mb_convert_encoding($str, 'UTF-8', $encoding);

//Update encoding after converting
            $encoding = 'UTF-8';
        }

$metatags = [
            '@<meta\s+http-equiv="Content-Type"\s+content="(?:[\w/]+)(?:;\s*?charset=([^\s"]+))?@i',
            '@<meta\s+content="(?:[\w/]+)(?:;\s*?charset=([^\s"]+))"?\s+http-equiv="Content-Type"@i',
            '@<meta [^>]*charset\s*=\s*["\']?\s*([^"\' ]+)@i',
        ];
        foreach ($metatags as $metatag) {
            if (preg_match($metatag, $str, $matches)) {
                if (isset($matches[1]) && in_array($matches[1], mb_list_encodings())) {
                    $document_encoding = $matches[1];
                    break;
                }
            }
        }
        if (isset($document_encoding) && in_array(strtoupper($document_encoding), ['UTF-8','UTF8']) === false) {
            $str = preg_replace('/charset=([^\s"]+)/i', 'charset=UTF-8', $str);
        } elseif (isset($document_encoding) === false && strpos($str, '<head>') !== false) {
            $str = str_replace('<head>', '<head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">', $str);
        } elseif (isset($document_encoding) === false) {
            $str = '<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">' . $str;
        }

// remove BOM mark from UTF-8, it's treated as document text by DOMDocument
        // FIXME: roll this into the encoding detection using UTF-8/16/32 BOM (http://us2.php.net/manual/en/function.mb-detect-encoding.php#91051)?
        if (substr($str, 0, 3) == chr(0xEF) . chr(0xBB) . chr(0xBF)) {
            $str = substr($str, 3);
        }

// Store parsing warnings as messages
        set_error_handler([Helpers::class, 'record_warnings']);

try {
            // @todo Take the quirksmode into account
            // http://hsivonen.iki.fi/doctype/
            // https://developer.mozilla.org/en/mozilla's_quirks_mode
            $quirksmode = false;

if ($this->options->isHtml5ParserEnabled() && class_exists(HTML5_Tokenizer::class)) {
                $tokenizer = new HTML5_Tokenizer($str);
                $tokenizer->parse();
                $doc = $tokenizer->save();

$quirksmode = ($tokenizer->getTree()->getQuirksMode() > HTML5_TreeBuilder::NO_QUIRKS);
            } else {
                // loadHTML assumes ISO-8859-1 unless otherwise specified on the HTML document header.
                // http://devzone.zend.com/1538/php-dom-xml-extension-encoding-processing/ (see #4)
                // http://stackoverflow.com/a/11310258/264628
                $doc = new DOMDocument("1.0", $encoding);
                $doc->preserveWhiteSpace = true;
                $doc->loadHTML($str);
                $doc->encoding = $encoding;

// If some text is before the doctype, we are in quirksmode
                if (preg_match("/^(.+)<!doctype/i", ltrim($str), $matches)) {
                    $quirksmode = true;
                } // If no doctype is provided, we are in quirksmode
                elseif (!preg_match("/^<!doctype/i", ltrim($str), $matches)) {
                    $quirksmode = true;
                } else {
                    // HTML5 <!DOCTYPE html>
                    if (!$doc->doctype->publicId && !$doc->doctype->systemId) {
                        $quirksmode = false;
                    }

// not XHTML
                    if (!preg_match("/xhtml/i", $doc->doctype->publicId)) {
                        $quirksmode = true;
                    }
                }
            }

$this->loadDOM($doc, $quirksmode);
        } finally {
            restore_error_handler();
            $this->restorePhpConfig();
        }
    }

/**
     * @param DOMNode $node
     * @deprecated
     */
    public static function remove_text_nodes(DOMNode $node)
    {
        self::removeTextNodes($node);
    }

/**
     * @param DOMNode $node
     */
    public static function removeTextNodes(DOMNode $node)
    {
        $children = [];
        for ($i = 0; $i < $node->childNodes->length; $i++) {
            $child = $node->childNodes->item($i);
            if ($child->nodeName === "#text") {
                $children[] = $child;
            }
        }

foreach ($children as $child) {
            $node->removeChild($child);
        }
    }

/**
     * Builds the {@link FrameTree}, loads any CSS and applies the styles to
     * the {@link FrameTree}
     */
    private function processHtml()
    {
        $this->tree->build_tree();

$this->css->load_css_file($this->css->getDefaultStylesheet(), Stylesheet::ORIG_UA);

$acceptedmedia = Stylesheet::$ACCEPTED_GENERIC_MEDIA_TYPES;
        $acceptedmedia[] = $this->options->getDefaultMediaType();

// <base href="" />
        $base_nodes = $this->dom->getElementsByTagName("base");
        if ($base_nodes->length && ($href = $base_nodes->item(0)->getAttribute("href"))) {
            [$this->protocol, $this->baseHost, $this->basePath] = Helpers::explode_url($href);
        }

// Set the base path of the Stylesheet to that of the file being processed
        $this->css->set_protocol($this->protocol);
        $this->css->set_host($this->baseHost);
        $this->css->set_base_path($this->basePath);

// Get all the stylesheets so that they are processed in document order
        $xpath = new DOMXPath($this->dom);
        $stylesheets = $xpath->query("//*[name() = 'link' or name() = 'style']");

/** @var \DOMElement $tag */
        foreach ($stylesheets as $tag) {
            switch (strtolower($tag->nodeName)) {
                // load <link rel="STYLESHEET" ... /> tags
                case "link":
                    if (mb_strtolower(stripos($tag->getAttribute("rel"), "stylesheet") !== false) || // may be "appendix stylesheet"
                        mb_strtolower($tag->getAttribute("type")) === "text/css"
                    ) {
                        //Check if the css file is for an accepted media type
                        //media not given then always valid
                        $formedialist = preg_split("/[\s\n,]/", $tag->getAttribute("media"), -1, PREG_SPLIT_NO_EMPTY);
                        if (count($formedialist) > 0) {
                            $accept = false;
                            foreach ($formedialist as $type) {
                                if (in_array(mb_strtolower(trim($type)), $acceptedmedia)) {
                                    $accept = true;
                                    break;
                                }
                            }

if (!$accept) {
                                //found at least one mediatype, but none of the accepted ones
                                //Skip this css file.
                                break;
                            }
                        }

$url = $tag->getAttribute("href");
                        $url = Helpers::build_url($this->protocol, $this->baseHost, $this->basePath, $url);

$this->css->load_css_file($url, Stylesheet::ORIG_AUTHOR);
                    }
                    break;

// load <style> tags
                case "style":
                    // Accept all <style> tags by default (note this is contrary to W3C
                    // HTML 4.0 spec:
                    // http://www.w3.org/TR/REC-html40/present/styles.html#adef-media
                    // which states that the default media type is 'screen'
                    if ($tag->hasAttributes() &&
                        ($media = $tag->getAttribute("media")) &&
                        !in_array($media, $acceptedmedia)
                    ) {
                        break;
                    }

$css = "";
                    if ($tag->hasChildNodes()) {
                        $child = $tag->firstChild;
                        while ($child) {
                            $css .= $child->nodeValue; // Handle <style></style>
                            $child = $child->nextSibling;
                        }
                    } else {
                        $css = $tag->nodeValue;
                    }

// Set the base path of the Stylesheet to that of the file being processed
                    $this->css->set_protocol($this->protocol);
                    $this->css->set_host($this->baseHost);
                    $this->css->set_base_path($this->basePath);

$this->css->load_css($css, Stylesheet::ORIG_AUTHOR);
                    break;
            }

// Set the base path of the Stylesheet to that of the file being processed
            $this->css->set_protocol($this->protocol);
            $this->css->set_host($this->baseHost);
            $this->css->set_base_path($this->basePath);
        }
    }

/**
     * @param string $cacheId
     * @deprecated
     */
    public function enable_caching($cacheId)
    {
        $this->enableCaching($cacheId);
    }

/**
     * Enable experimental caching capability
     *
     * @param string $cacheId
     */
    public function enableCaching($cacheId)
    {
        $this->cacheId = $cacheId;
    }

/**
     * @param string $value
     * @return bool
     * @deprecated
     */
    public function parse_default_view($value)
    {
        return $this->parseDefaultView($value);
    }

/**
     * @param string $value
     * @return bool
     */
    public function parseDefaultView($value)
    {
        $valid = ["XYZ", "Fit", "FitH", "FitV", "FitR", "FitB", "FitBH", "FitBV"];

$options = preg_split("/\s*,\s*/", trim($value));
        $defaultView = array_shift($options);

if (!in_array($defaultView, $valid)) {
            return false;
        }

$this->setDefaultView($defaultView, $options);
        return true;
    }

/**
     * Renders the HTML to PDF
     */
    public function render()
    {
        $this->setPhpConfig();
        $options = $this->options;

$logOutputFile = $options->getLogOutputFile();
        if ($logOutputFile) {
            if (!file_exists($logOutputFile) && is_writable(dirname($logOutputFile))) {
                touch($logOutputFile);
            }

$startTime = microtime(true);
            if (is_writable($logOutputFile)) {
                ob_start();
            }
        }

$this->processHtml();

$this->css->apply_styles($this->tree);

// @page style rules : size, margins
        $pageStyles = $this->css->get_page_styles();
        $basePageStyle = $pageStyles["base"];
        unset($pageStyles["base"]);

foreach ($pageStyles as $pageStyle) {
            $pageStyle->inherit($basePageStyle);
        }

$defaultOptionPaperSize = $this->getPaperSize($options->getDefaultPaperSize());
        // If there is a CSS defined paper size compare to the paper size used to create the canvas to determine a
        // recreation need
        if (is_array($basePageStyle->size)) {
            $basePageStyleSize = $basePageStyle->size;
            $this->setPaper([0, 0, $basePageStyleSize[0], $basePageStyleSize[1]]);
        }

$paperSize = $this->getPaperSize();
        if (
            $defaultOptionPaperSize[2] !== $paperSize[2] ||
            $defaultOptionPaperSize[3] !== $paperSize[3] ||
            $options->getDefaultPaperOrientation() !== $this->paperOrientation
        ) {
            $this->setCanvas(CanvasFactory::get_instance($this, $this->paperSize, $this->paperOrientation));
            $this->fontMetrics->setCanvas($this->getCanvas());
        }

$canvas = $this->getCanvas();

$root = null;

foreach ($this->tree->get_frames() as $frame) {
            // Set up the root frame
            if (is_null($root)) {
                $root = Factory::decorate_root($this->tree->get_root(), $this);
                continue;
            }

// Create the appropriate decorators, reflowers & positioners.
            Factory::decorate_frame($frame, $this, $root);
        }

// Add meta information
        $title = $this->dom->getElementsByTagName("title");
        if ($title->length) {
            $canvas->add_info("Title", trim($title->item(0)->nodeValue));
        }

$metas = $this->dom->getElementsByTagName("meta");
        $labels = [
            "author" => "Author",
            "keywords" => "Keywords",
            "description" => "Subject",
        ];
        /** @var \DOMElement $meta */
        foreach ($metas as $meta) {
            $name = mb_strtolower($meta->getAttribute("name"));
            $value = trim($meta->getAttribute("content"));

if (isset($labels[$name])) {
                $canvas->add_info($labels[$name], $value);
                continue;
            }

if ($name === "dompdf.view" && $this->parseDefaultView($value)) {
                $canvas->set_default_view($this->defaultView, $this->defaultViewOptions);
            }
        }

$root->set_containing_block(0, 0, $canvas->get_width(), $canvas->get_height());
        $root->set_renderer(new Renderer($this));

// This is where the magic happens:
        $root->reflow();

// Clean up cached images
        if (!$this->options->getDebugKeepTemp()) {
            Cache::clear($this->options->getDebugPng());
        }

global $_dompdf_warnings, $_dompdf_show_warnings;
        if ($_dompdf_show_warnings && isset($_dompdf_warnings)) {
            echo '<b>Dompdf Warnings</b><br><pre>';
            foreach ($_dompdf_warnings as $msg) {
                echo $msg . "\n";
            }

if ($canvas instanceof CPDF) {
                echo $canvas->get_cpdf()->messages;
            }
            echo '</pre>';
            flush();
        }

if ($logOutputFile && is_writable($logOutputFile)) {
            $this->writeLog($logOutputFile, $startTime);
            ob_end_clean();
        }

$this->restorePhpConfig();
    }

/**
     * Add meta information to the PDF after rendering
     */
    public function add_info($label, $value)
    {
        $canvas = $this->getCanvas();
        if (!is_null($canvas)) {
            $canvas->add_info($label, $value);
        }
    }

/**
     * Writes the output buffer in the log file
     *
     * @param string $logOutputFile
     * @param float $startTime
     */
    private function writeLog(string $logOutputFile, float $startTime): void
    {
        $frames = Frame::$ID_COUNTER;
        $memory = memory_get_peak_usage(true) / 1024;
        $time = (microtime(true) - $startTime) * 1000;

$out = sprintf(
            "<span style='color: #000' title='Frames'>%6d</span>" .
            "<span style='color: #009' title='Memory'>%10.2f KB</span>" .
            "<span style='color: #900' title='Time'>%10.2f ms</span>" .
            "<span  title='Quirksmode'>  " .
            ($this->quirksmode ? "<span style='color: #d00'> ON</span>" : "<span style='color: #0d0'>OFF</span>") .
            "</span><br />", $frames, $memory, $time);

$out .= ob_get_contents();
        ob_clean();

file_put_contents($logOutputFile, $out);
    }

/**
     * Streams the PDF to the client.
     *
     * The file will open a download dialog by default. The options
     * parameter controls the output. Accepted options (array keys) are:
     *
     * 'compress' = > 1 (=default) or 0:
     *   Apply content stream compression
     *
     * 'Attachment' => 1 (=default) or 0:
     *   Set the 'Content-Disposition:' HTTP header to 'attachment'
     *   (thereby causing the browser to open a download dialog)
     *
     * @param string $filename the name of the streamed file
     * @param array $options header options (see above)
     */
    public function stream($filename = "document.pdf", $options = [])
    {
        $this->setPhpConfig();

$canvas = $this->getCanvas();
        if (!is_null($canvas)) {
            $canvas->stream($filename, $options);
        }

$this->restorePhpConfig();
    }

/**
     * Returns the PDF as a string.
     *
     * The options parameter controls the output. Accepted options are:
     *
     * 'compress' = > 1 or 0 - apply content stream compression, this is
     *    on (1) by default
     *
     * @param array $options options (see above)
     *
     * @return string|null
     */
    public function output($options = [])
    {
        $this->setPhpConfig();

$canvas = $this->getCanvas();
        if (is_null($canvas)) {
            return null;
        }

$output = $canvas->output($options);

$this->restorePhpConfig();

return $output;
    }

/**
     * @return string
     * @deprecated
     */
    public function output_html()
    {
        return $this->outputHtml();
    }

/**
     * Returns the underlying HTML document as a string
     *
     * @return string
     */
    public function outputHtml()
    {
        return $this->dom->saveHTML();
    }

/**
     * Get the dompdf option value
     *
     * @param string $key
     * @return mixed
     * @deprecated
     */
    public function get_option($key)
    {
        return $this->options->get($key);
    }

/**
     * @param string $key
     * @param mixed $value
     * @return $this
     * @deprecated
     */
    public function set_option($key, $value)
    {
        $this->options->set($key, $value);
        return $this;
    }

/**
     * @param array $options
     * @return $this
     * @deprecated
     */
    public function set_options(array $options)
    {
        $this->options->set($options);
        return $this;
    }

/**
     * @param string $size
     * @param string $orientation
     * @deprecated
     */
    public function set_paper($size, $orientation = "portrait")
    {
        $this->setPaper($size, $orientation);
    }

/**
     * Sets the paper size & orientation
     *
     * @param string|array $size 'letter', 'legal', 'A4', etc. {@link Dompdf\Adapter\CPDF::$PAPER_SIZES}
     * @param string $orientation 'portrait' or 'landscape'
     * @return $this
     */
    public function setPaper($size, $orientation = "portrait")
    {
        $this->paperSize = $size;
        $this->paperOrientation = $orientation;
        return $this;
    }

/**
     * Gets the paper size
     *
     * @param null|string|array $paperSize
     * @return int[] A four-element integer array
     */
    public function getPaperSize($paperSize = null)
    {
        $size = $paperSize !== null ? $paperSize : $this->paperSize;
        if (is_array($size)) {
            return $size;
        } else if (isset(Adapter\CPDF::$PAPER_SIZES[mb_strtolower($size)])) {
            return Adapter\CPDF::$PAPER_SIZES[mb_strtolower($size)];
        } else {
            return Adapter\CPDF::$PAPER_SIZES["letter"];
        }
    }

/**
     * Gets the paper orientation
     *
     * @return string Either "portrait" or "landscape"
     */
    public function getPaperOrientation()
    {
        return $this->paperOrientation;
    }

/**
     * @param FrameTree $tree
     * @return $this
     */
    public function setTree(FrameTree $tree)
    {
        $this->tree = $tree;
        return $this;
    }

/**
     * @return FrameTree
     * @deprecated
     */
    public function get_tree()
    {
        return $this->getTree();
    }

/**
     * Returns the underlying {@link FrameTree} object
     *
     * @return FrameTree
     */
    public function getTree()
    {
        return $this->tree;
    }

/**
     * @param string $protocol
     * @return $this
     * @deprecated
     */
    public function set_protocol($protocol)
    {
        return $this->setProtocol($protocol);
    }

/**
     * Sets the protocol to use
     * FIXME validate these
     *
     * @param string $protocol
     * @return $this
     */
    public function setProtocol(string $protocol)
    {
        $this->protocol = $protocol;
        return $this;
    }

/**
     * @return string
     * @deprecated
     */
    public function get_protocol()
    {
        return $this->getProtocol();
    }

/**
     * Returns the protocol in use
     *
     * @return string
     */
    public function getProtocol()
    {
        return $this->protocol;
    }

/**
     * @param string $host
     * @deprecated
     */
    public function set_host($host)
    {
        $this->setBaseHost($host);
    }

/**
     * Sets the base hostname
     *
     * @param string $baseHost
     * @return $this
     */
    public function setBaseHost(string $baseHost)
    {
        $this->baseHost = $baseHost;
        return $this;
    }

/**
     * @return string
     * @deprecated
     */
    public function get_host()
    {
        return $this->getBaseHost();
    }

/**
     * Returns the base hostname
     *
     * @return string
     */
    public function getBaseHost()
    {
        return $this->baseHost;
    }

/**
     * Sets the base path
     *
     * @param string $path
     * @deprecated
     */
    public function set_base_path($path)
    {
        $this->setBasePath($path);
    }

/**
     * Sets the base path
     *
     * @param string $basePath
     * @return $this
     */
    public function setBasePath(string $basePath)
    {
        $this->basePath = $basePath;
        return $this;
    }

/**
     * @return string
     * @deprecated
     */
    public function get_base_path()
    {
        return $this->getBasePath();
    }

/**
     * Returns the base path
     *
     * @return string
     */
    public function getBasePath()
    {
        return $this->basePath;
    }

/**
     * @param string $default_view The default document view
     * @param array $options The view's options
     * @return $this
     * @deprecated
     */
    public function set_default_view($default_view, $options)
    {
        return $this->setDefaultView($default_view, $options);
    }

/**
     * Sets the default view
     *
     * @param string $defaultView The default document view
     * @param array $options The view's options
     * @return $this
     */
    public function setDefaultView($defaultView, $options)
    {
        $this->defaultView = $defaultView;
        $this->defaultViewOptions = $options;
        return $this;
    }

/**
     * @param resource $http_context
     * @return $this
     * @deprecated
     */
    public function set_http_context($http_context)
    {
        return $this->setHttpContext($http_context);
    }

/**
     * Sets the HTTP context
     *
     * @param resource|array $httpContext
     * @return $this
     */
    public function setHttpContext($httpContext)
    {
        $this->options->setHttpContext($httpContext);
        return $this;
    }

/**
     * @return resource
     * @deprecated
     */
    public function get_http_context()
    {
        return $this->getHttpContext();
    }

/**
     * Returns the HTTP context
     *
     * @return resource
     */
    public function getHttpContext()
    {
        return $this->options->getHttpContext();
    }

/**
     * @param Canvas $canvas
     * @return $this
     */
    public function setCanvas(Canvas $canvas)
    {
        $this->canvas = $canvas;
        return $this;
    }

/**
     * @return Canvas
     * @deprecated
     */
    public function get_canvas()
    {
        return $this->getCanvas();
    }

/**
     * Return the underlying Canvas instance (e.g. Dompdf\Adapter\CPDF, Dompdf\Adapter\GD)
     *
     * @return Canvas
     */
    public function getCanvas()
    {
        return $this->canvas;
    }

/**
     * @param Stylesheet $css
     * @return $this
     */
    public function setCss(Stylesheet $css)
    {
        $this->css = $css;
        return $this;
    }

/**
     * @return Stylesheet
     * @deprecated
     */
    public function get_css()
    {
        return $this->getCss();
    }

/**
     * Returns the stylesheet
     *
     * @return Stylesheet
     */
    public function getCss()
    {
        return $this->css;
    }

/**
     * @param DOMDocument $dom
     * @return $this
     */
    public function setDom(DOMDocument $dom)
    {
        $this->dom = $dom;
        return $this;
    }

/**
     * @return DOMDocument
     * @deprecated
     */
    public function get_dom()
    {
        return $this->getDom();
    }

/**
     * @return DOMDocument
     */
    public function getDom()
    {
        return $this->dom;
    }

/**
     * @param Options $options
     * @return $this
     */
    public function setOptions(Options $options)
    {
        // For backwards compatibility
        if ($this->options && $this->options->getHttpContext() && !$options->getHttpContext()) {
            $options->setHttpContext($this->options->getHttpContext());
        }

$this->options = $options;
        $fontMetrics = $this->getFontMetrics();
        if (isset($fontMetrics)) {
            $fontMetrics->setOptions($options);
        }
        return $this;
    }

/**
     * @return Options
     */
    public function getOptions()
    {
        return $this->options;
    }

/**
     * @return array
     * @deprecated
     */
    public function get_callbacks()
    {
        return $this->getCallbacks();
    }

/**
     * Returns the callbacks array
     *
     * @return array
     */
    public function getCallbacks()
    {
        return $this->callbacks;
    }

/**
     * @param array $callbacks the set of callbacks to set
     * @deprecated
     */
    public function set_callbacks($callbacks)
    {
        $this->setCallbacks($callbacks);
    }

/**
     * Sets callbacks for events like rendering of pages and elements.
     *
     * The callbacks array should contain arrays with `event` set to a callback
     * event name and `f` set to a function or any other callable.
     *
     * The available callback events are:
     * * `begin_page_reflow`: called before page reflow
     * * `begin_frame`: called before a frame is rendered
     * * `end_frame`: called after frame rendering is complete
     * * `begin_page_render`: called before a page is rendered
     * * `end_page_render`: called after page rendering is complete
     *
     * The function `f` must take an array as argument, which contains info
     * about the event (`[0 => Canvas, 1 => Frame, "canvas" => Canvas,
     * "frame" => Frame]`).
     *
     * @param array $callbacks The set of callbacks to set
     */
    public function setCallbacks($callbacks)
    {
        if (is_array($callbacks)) {
            $this->callbacks = [];
            foreach ($callbacks as $c) {
                if (is_array($c) && isset($c["event"]) && isset($c["f"])) {
                    $event = $c["event"];
                    $f = $c["f"];
                    if (is_string($event) && is_callable($f)) {
                        $this->callbacks[$event][] = $f;
                    }
                }
            }
        }
    }

/**
     * @return boolean
     * @deprecated
     */
    public function get_quirksmode()
    {
        return $this->getQuirksmode();
    }

/**
     * Get the quirks mode
     *
     * @return boolean true if quirks mode is active
     */
    public function getQuirksmode()
    {
        return $this->quirksmode;
    }

/**
     * @param FontMetrics $fontMetrics
     * @return $this
     */
    public function setFontMetrics(FontMetrics $fontMetrics)
    {
        $this->fontMetrics = $fontMetrics;
        return $this;
    }

/**
     * @return FontMetrics
     */
    public function getFontMetrics()
    {
        return $this->fontMetrics;
    }

/**
     * PHP5 overloaded getter
     * Along with {@link Dompdf::__set()} __get() provides access to all
     * properties directly.  Typically __get() is not called directly outside
     * of this class.
     *
     * @param string $prop
     *
     * @throws Exception
     * @return mixed
     */
    function __get($prop)
    {
        switch ($prop) {
            case 'version':
                return $this->version;
            default:
                throw new Exception('Invalid property: ' . $prop);
        }
    }
}

Batal

⬅ dompdf_asli 23 item

Nama	Tipe	Ukuran	Diubah	Perm	Aksi
📁 Adapter	dir	—	07/04/22 09:10	0775	📂
📁 Css	dir	—	07/04/22 09:10	0775	📂
📁 Exception	dir	—	07/04/22 09:10	0775	📂
📁 Frame	dir	—	07/04/22 09:10	0775	📂
📁 FrameDecorator	dir	—	07/04/22 09:10	0775	📂
📁 FrameReflower	dir	—	07/04/22 09:10	0775	📂
📁 Image	dir	—	07/04/22 09:10	0775	📂
📁 Positioner	dir	—	07/04/22 09:10	0775	📂
📁 Renderer	dir	—	07/04/22 09:10	0775	📂
🐘 Autoloader.php	php	900 B	08/08/22 11:10	0664	✏️ ⬇
🐘 Canvas.php	php	12.5 KB	08/08/22 11:10	0664	✏️ ⬇
🐘 CanvasFactory.php	php	1.5 KB	08/08/22 11:10	0664	✏️ ⬇
🐘 Cellmap.php	php	27.4 KB	08/08/22 11:10	0664	✏️ ⬇
🐘 Dompdf.php	php	41 KB	08/08/22 11:10	0664	✏️ ⬇
🐘 Exception.php	php	600 B	08/08/22 11:10	0664	✏️ ⬇
🐘 FontMetrics.php	php	17.1 KB	08/08/22 11:10	0664	✏️ ⬇
🐘 Frame.php	php	31.4 KB	08/08/22 11:10	0664	✏️ ⬇
🐘 Helpers.php	php	35.1 KB	08/08/22 11:10	0664	✏️ ⬇
🐘 JavascriptEmbedder.php	php	977 B	08/08/22 11:10	0664	✏️ ⬇
🐘 LineBox.php	php	10 KB	08/08/22 11:10	0664	✏️ ⬇
🐘 Options.php	php	26.6 KB	08/08/22 11:10	0664	✏️ ⬇
🐘 PhpEvaluator.php	php	1.3 KB	08/08/22 11:10	0664	✏️ ⬇
🐘 Renderer.php	php	8.4 KB	08/08/22 11:10	0664	✏️ ⬇

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