(PHP 4, PECL pdflib >= 1.0.0) Set distance between text lines [deprecated] This function is deprecated since PDFlib version 3, use PDF_set_value() with the parameter leading instead.

(PECL pdflib >= 2.0.0) Define relationships among layers bool PDF_set_layer_dependency ( resource $pdfdoc, string $type, string $optlist ) Defines hierarchical and group relationships among layers. Returns TRUE on success or FALSE on failure. This function requires PDF 1.5.

(PHP 4 >= 4.0.1, PECL pdflib >= 1.0.0) Fill document info field bool PDF_set_info ( resource $p, string $key, string $value ) Fill document information field key with value. Returns TRUE on success or FALSE on failure.

(PHP 4, PECL pdflib >= 1.0.0) Fill the title document info field [deprecated] This function is deprecated since PDFlib version 3, use PDF_set_info() instead.

(PHP 4, PECL pdflib >= 1.0.0) Fill the subject document info field [deprecated] This function is deprecated since PDFlib version 3, use PDF_set_info() instead.

(PHP 4, PECL pdflib >= 1.0.0) Fill the keywords document info field [deprecated] This function is deprecated since PDFlib version 3, use PDF_set_info() instead.

(PHP 4, PECL pdflib >= 1.0.0) Fill the creator document info field [deprecated] This function is deprecated since PDFlib version 3, use PDF_set_info() instead.

(PHP 4, PECL pdflib >= 1.0.0) Fill the author document info field [deprecated] This function is deprecated since PDFlib version 3, use PDF_set_info() instead.

(PHP 4, PECL pdflib >= 1.0.0) Set horizontal text scaling [deprecated] This function is deprecated since PDFlib version 3, use PDF_set_value() with parameter horizscaling instead.

(PECL pdflib >= 2.0.0) Activate graphics state object bool PDF_set_gstate ( resource $pdfdoc, int $gstate ) Activates a graphics state object.