cpdf_setdash

Sets dash pattern (PHP 3 >= 3.0.8, PHP 4, PHP 5 <= 5.0.4)
bool cpdf_setdash ( int pdf_document, float white, float black )

The cpdf_setdash() function set the dash pattern white white units and black black units. If both are 0 a solid line is set. 如果成功则返回 TRUE,失败则返回 FALSE