(PHP 3 >= 3.0.8, PHP 4, PHP 5 <= 5.0.4)
Sets the dash pattern to the given one. If both parameters are 0, a solid line is set.
pdf_document
The document handle, returned by cpdf_open().
white
White units, as a float
black
Black units, as a float
如果成功则返回 TRUE,失败则返回 FALSE。