(PECL haru >= 0.0.1) Get the current value of character spacing

(PECL pdflib >= 2.1.0) Query matchbox information

(PECL pdflib >= 2.0.0) Create PDFlib virtual file

(PECL haru >= 0.0.1) Draw a line from the current point to the specified point

(PECL haru >= 0.0.1) Set the appearance of the page to fit the window width

(PECL ps >= 1.1.0) Opens image from file int

(PECL pdflib >= 2.0.0) Start layer bool PDF_begin_layer

(PECL haru >= 0.0.1) Get the writing mode of the encoder

(PHP 4, PHP 5, PHP 7) Set the appearance of a field

(PECL haru >= 0.0.1) Set text leading (line spacing) for the page