(PECL haru >= 0.0.1) Get current value of the specified document attribute

(PECL ps >= 1.1.0) Sets length of dashes for border of annotations

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Sets a flag of a field

(PECL pdflib >= 2.0.0) Format textflow in rectangular area

(PECL ps >= 1.1.0) Output text at given position

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

(PHP 4, PECL pdflib >= 1.0.0) Output text in next line

(PHP 4 >= 4.0.5, PECL pdflib >= 1.0.0) Draw a clockwise circular arc segment

(PECL haru >= 0.0.1) Print text at the current position of the page