PDFlib Lite is available as open source. However, the PDFlib Lite license allows free use only under certain conditions. PDFlib Lite supports a subset of PDFlib's functionality; please see the PDFlib web site for details. The full version of PDFlib is available for download at » http://www.pdflib.com/products/pdflib-family/, but requires that you purchase a license for commercial use.
Any version of PHP 4 after March 9, 2000 does not support versions of PDFlib older than 3.0.
PDFlib 4.0 or greater is supported by PHP 4.3.0 and later.
To get these functions to work in PHP < 4.3.9, you have to compile PHP
with --with-pdflib[=DIR]. DIR is the PDFlib base install
directory, defaults to
PDF_new creates a new PDFlib object required by most PDF functions.