(PHP 4, PECL pdflib >= 1.0.0)
PDF_add_weblink — Add weblink for current page [deprecated]
$pdfdoc
   , float $lowerleftx
   , float $lowerlefty
   , float $upperrightx
   , float $upperrighty
   , string $url
   ) : bool
   Adds a weblink annotation to a target url on the Web.
   Returns TRUE on success or FALSE on failure.
  
   This function is deprecated since PDFlib version 6, use
   PDF_create_action() with type=URI
   and PDF_create_annotation() with
   type=Link instead.