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Dompdf

Dompdf is an HTML to PDF converter

At its heart, dompdf is (mostly) a CSS 2.1 compliant HTML layout and rendering engine written in PHP. It is a style-driven renderer: it will download and read external stylesheets, inline style tags, and the style attributes of individual HTML elements. It also supports most presentational HTML attributes.

This document applies to the latest stable code which may not reflect the current release. For released code please navigate to the appropriate tag.

Check out the demo and ask any question on StackOverflow or in Discussions.

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Features

• Handles most CSS 2.1 and a few CSS3 properties, including @import, @media & @page rules
• Supports most presentational HTML 4.0 attributes
• Supports external stylesheets, either local or through http/ftp (via fopen-wrappers)
• Supports complex tables, including row & column spans, separate & collapsed border models, individual cell styling
• Image support (gif, png (8, 24 and 32 bit with alpha channel), bmp & jpeg)
• No dependencies on external PDF libraries, thanks to the R&OS PDF class
• Inline PHP support
• Basic SVG support (see "Limitations" below)

Requirements

• PHP version 7.1 or higher
• DOM extension
• MBString extension
• php-font-lib
• php-svg-lib

Note that some required dependencies may have further dependencies (notably php-svg-lib requires sabberworm/php-css-parser).

Recommendations

• OPcache (OPcache, XCache, APC, etc.): improves performance
• GD (for image processing)
• IMagick or GMagick extension: improves image processing performance

Visit the wiki for more information: https://github.com/dompdf/dompdf/wiki/Requirements

About Fonts & Character Encoding

PDF documents internally support the following fonts: Helvetica, Times-Roman, Courier, Zapf-Dingbats, & Symbol. These fonts only support Windows ANSI encoding. In order for a PDF to display characters that are not available in Windows ANSI, you must supply an external font. Dompdf will embed any referenced font in the PDF so long as it has been pre-loaded or is accessible to dompdf and reference in CSS @font-face rules. See the font overview for more information on how to use fonts.

The DejaVu TrueType fonts have been pre-installed to give dompdf decent Unicode character coverage by default. To use the DejaVu fonts reference the font in your stylesheet, e.g. body { font-family: DejaVu Sans; } (for DejaVu Sans). The following DejaVu 2.34 fonts are available: DejaVu Sans, DejaVu Serif, and DejaVu Sans Mono.

Easy Installation

Install with composer

To install with Composer, simply require the latest version of this package.

Make sure that the autoload file from Composer is loaded.

Download and install

Download a packaged archive of dompdf and extract it into the directory where dompdf will reside

• You can download stable copies of dompdf from https://github.com/dompdf/dompdf/releases
• Or download a nightly (the latest, unreleased code) from http://eclecticgeek.com/dompdf

Use the packaged release autoloader to load dompdf, libraries, and helper functions in your PHP:

Note: packaged releases are named according using semantic versioning (_dompdfMAJOR-MINOR-PATCH.zip). So the 1.0.0 release would be dompdf_1-0-0.zip. This is the only download that includes the autoloader for Dompdf and all its dependencies.

Install with git

From the command line, switch to the directory where dompdf will reside and run the following commands:

Require dompdf and it's dependencies in your PHP. For details see the autoloader in the utils project.

Quick Start

Just pass your HTML in to dompdf and stream the output:

Setting Options

Set options during dompdf instantiation:

or at run time

See Dompdf\Options for a list of available options.

Resource Reference Requirements

In order to protect potentially sensitive information Dompdf imposes restrictions on files referenced from the local file system or the web.

Files accessed through web-based protocols have the following requirements:

• The Dompdf option "isRemoteEnabled" must be set to "true"
• PHP must either have the curl extension enabled or the allow_url_fopen setting set to true

Files accessed through the local file system have the following requirement:

• The file must fall within the path(s) specified for the Dompdf "chroot" option

Limitations (Known Issues)

• Dompdf is not particularly tolerant to poorly-formed HTML input. To avoid any unexpected rendering issues you should either enable the built-in HTML5 parser at runtime ($options->setIsHtml5ParserEnabled(true);) or run your HTML through a HTML validator/cleaner (such as Tidy or the W3C Markup Validation Service).
• Table cells are not pageable, meaning a table row must fit on a single page.
• Elements are rendered on the active page when they are parsed.

• Embedding "raw" SVG's (<svg><path...></svg>) isn't working yet, you need to either link to an external SVG file, or use a DataURI like this:

  Watch https://github.com/dompdf/dompdf/issues/320 for progress

If you find this project useful, please consider making a donation. Any funds donated will be used to help further development on this project.)