(PECL pdflib >= 2.0.0) Deactivate all active layers

(PECL pdflib >= 2.0.0) Resume page bool PDF_resume_page

(PECL pdflib >= 2.0.0) Place imported PDF page

(PECL pdflib >= 2.0.0) Create layer definition

(PHP 5 <= 5.3.0, PECL ming SVN) Returns the ascent of the current font at its current size, or 0 if not available

(PHP 5 <= 5.3.0, PECL ming SVN) Scales the object in relative coordinates

(PECL ps >= 1.2.0) End a template bool ps_end_template

(PECL gnupg >= 0.5) Add a key for encryption

(PHP 4, PHP 5, PHP 7) Close an FDF document void