208 lines
6.5 KiB
Markdown
208 lines
6.5 KiB
Markdown
Dompdf
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======
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[](https://travis-ci.org/dompdf/dompdf)
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[](https://packagist.org/packages/dompdf/dompdf)
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[](https://packagist.org/packages/dompdf/dompdf)
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[](https://packagist.org/packages/dompdf/dompdf)
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[](https://packagist.org/packages/dompdf/dompdf)
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**Dompdf is an HTML to PDF converter**
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At its heart, dompdf is (mostly) a [CSS 2.1](http://www.w3.org/TR/CSS2/) compliant
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HTML layout and rendering engine written in PHP. It is a style-driven renderer:
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it will download and read external stylesheets, inline style tags, and the style
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attributes of individual HTML elements. It also supports most presentational
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HTML attributes.
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*This document applies to the latest stable code which may not reflect the current
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release. For released code please
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[navigate to the appropriate tag](https://github.com/dompdf/dompdf/tags).*
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----
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**Check out the [demo](http://pxd.me/dompdf/www/examples.php) and ask any
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question on [StackOverflow](http://stackoverflow.com/questions/tagged/dompdf) or
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on the [Google Groups](http://groups.google.com/group/dompdf).**
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Follow us on [](http://www.twitter.com/dompdf) or
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[](https://plus.google.com/108710008521858993320?prsrc=3).
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---
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## Features
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* Handles most CSS 2.1 and a few CSS3 properties, including @import, @media &
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@page rules
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* Supports most presentational HTML 4.0 attributes
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* Supports external stylesheets, either local or through http/ftp (via
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fopen-wrappers)
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* Supports complex tables, including row & column spans, separate & collapsed
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border models, individual cell styling
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* Image support (gif, png (8, 24 and 32 bit with alpha channel), bmp & jpeg)
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* No dependencies on external PDF libraries, thanks to the R&OS PDF class
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* Inline PHP support
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* Basic SVG support
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## Requirements
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* PHP version 5.3.0 or higher
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* DOM extension
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* GD extension
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* MBString extension
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* php-font-lib
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* php-svg-lib
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### Recommendations
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* OPcache (OPcache, XCache, APC, etc.): improves performance
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* IMagick or GMagick extension: improves image processing performance
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Visit the wiki for more information:
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https://github.com/dompdf/dompdf/wiki/Requirements
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## About Fonts & Character Encoding
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PDF documents internally support the following fonts: Helvetica, Times-Roman,
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Courier, Zapf-Dingbats, & Symbol. These fonts only support Windows ANSI
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encoding. In order for a PDF to display characters that are not available in
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Windows ANSI you must supply an external font. Dompdf will embed any referenced
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font in the PDF so long as it has been pre-loaded or is accessible to dompdf and
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reference in CSS @font-face rules. See the
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[font overview](https://github.com/dompdf/dompdf/wiki/About-Fonts-and-Character-Encoding)
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for more information on how to use fonts.
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The [DejaVu TrueType fonts](http://dejavu-fonts.org) have been pre-installed
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to give dompdf decent Unicode character coverage by default. To use the DejaVu
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fonts reference the font in your stylesheet, e.g. `body { font-family: DejaVu
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Sans; }` (for DejaVu Sans). The following DejaVu 2.34 fonts are available:
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DejaVu Sans, DejaVu Serif, and DejaVu Sans Mono.
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## Easy Installation
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### Install with composer
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To install with [Composer](https://getcomposer.org/), simply require the
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latest version of this package.
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```bash
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composer require dompdf/dompdf
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```
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Make sure that the autoload file from Composer is loaded.
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```php
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// somewhere early in your project's loading, require the Composer autoloader
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// see: http://getcomposer.org/doc/00-intro.md
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require 'vendor/autoload.php';
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```
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### Download and install
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Download an archive of dompdf and extract it into the directory where dompdf
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will reside
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* You can download stable copies of dompdf from
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https://github.com/dompdf/dompdf/releases
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* Or download a nightly (the latest, unreleased code) from
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http://eclecticgeek.com/dompdf
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Require dompdf, libraries, and helper functions in your PHP:
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```php
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// include autoloader
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require_once 'dompdf/autoload.inc.php';
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```
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### Install with git
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From the command line, switch to the directory where dompdf will reside and run
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the following commands:
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```sh
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git clone https://github.com/dompdf/dompdf.git
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cd dompdf
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git clone https://github.com/PhenX/php-font-lib.git lib/php-font-lib
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cd lib/php-font-lib
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git checkout 0.4
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cd ..
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git clone https://github.com/PhenX/php-svg-lib.git php-svg-lib
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cd php-svg-lib
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git checkout v0.1
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```
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Require dompdf, libraries, and helper functions in your PHP:
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```php
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// include autoloader
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require_once 'dompdf/autoload.inc.php';
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```
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## Quick Start
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Just pass your HTML in to dompdf and stream the output:
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```php
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// reference the Dompdf namespace
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use Dompdf\Dompdf;
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// instantiate and use the dompdf class
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$dompdf = new Dompdf();
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$dompdf->loadHtml('hello world');
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// (Optional) Setup the paper size and orientation
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$dompdf->setPaper('A4', 'landscape');
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// Render the HTML as PDF
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$dompdf->render();
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// Output the generated PDF to Browser
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$dompdf->stream();
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```
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### Setting Options
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Set options during dompdf instantiation:
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```php
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use Dompdf\Dompdf;
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use Dompdf\Options;
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$options = new Options();
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$options->set('defaultFont', 'Courier');
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$dompdf = new Dompdf($options);
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```
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or at run time
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```php
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use Dompdf\Dompdf;
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$dompdf = new Dompdf();
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$dompdf->set_option('defaultFont', 'Courier');
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```
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See [Dompdf\Options](src/Options.php) for a list of available options.
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## Limitations (Known Issues)
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* Dompdf is not particularly tolerant to poorly-formed HTML input. To avoid
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any unexpected rendering issues you should either enable the built-in HTML5
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parser at runtime (`$dompdf->set_option('isHtml5ParserEnabled', true);`)
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or run your HTML through a HTML validator/cleaner (such as
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[Tidy](http://tidy.sourceforge.net) or the
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[W3C Markup Validation Service](http://validator.w3.org)).
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* Large files or large tables can take a while to render.
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* CSS float is in development and may not produce the desired result
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---
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[](http://goo.gl/DSvWf)
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*If you find this project useful, please consider making a donation. Any funds donated will be used to help further development on this project.)*
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