ps_clip
(PECL ps >= 1.1.0)
ps_clip — Clips drawing to current path
說明
ps_clip(resource
$psdoc): boolTakes the current path and uses it to define the border of a clipping area. Everything drawn outside of that area will not be visible.
返回值
成功時返回 true， 或者在失敗時返回 false。