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- <a name="overview"> </a>
- <h2>Overview</h2>
- <p>dompdf is an HTML to PDF converter. At its heart, dompdf is (mostly)
- CSS2.1 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.</p>
- <p>PDF rendering is currently provided either by PDFLib (<a
- href="http://www.pdflib.com">www.pdflib.com</a>) or by a bundled
- version the R&OS CPDF class written by Wayne Munro (<a
- href="http://www.ros.co.nz/pdf/">www.ros.co.nz/pdf</a>). (Some
- performance related changes have been made to the R&OS class,
- however). In order to use PDFLib with dompdf, the PDFLib PECL
- extension is required. Using PDFLib improves performance and reduces
- the memory requirements of dompdf somewhat, while the R&OS CPDF class,
- though slightly slower, eliminates any dependencies on external PDF
- libraries.</p>
- <p>Please note that dompdf works only with PHP 5. There are no plans for
- a PHP 4 port. If your web host does not offer PHP 5, I suggest either pestering
- them, or setting up your own PHP 5 box and using it to run dompdf. Your scripts
- on your web host can redirect PDF requests to your PHP 5 box.</p>
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