Zend_Pdf module is a PDF (Portable Document Format) manipulation engine written entirely in PHP 5. It can load existing documents, create new, modify and save modified documents. Thus it can help any PHP-driven application dynamically prepare documents in a PDF by modifying existing template or generating document from a scratch. Zend_Pdf module supports the following features:

• Create new document or load existing one. ^[1]

• Retrieving specified revision of the document.

• Manipulate pages within document. Changing page order, adding new pages, removing pages from a document.

• Different drawing primitives (lines, rectangles, polygons, circles, ellipses and sectors).

• Text drawing using any of the 14 standard (built-in) fonts or your own custom TrueType fonts.

• Rotations.

• Image drawing. ^[2]

• Incremental PDF file update.