pdf_set_border_color
(PHP 3 >= 3.0.12, PHP 4, PECL)
pdf_set_border_color -- Sets color of border around links and annotationsDescription
bool pdf_set_border_color ( resource pdfdoc, float red, float green, float blue )Set the border color for all kinds of annotations. 如果成功则返回 TRUE，失败则返回 FALSE。