©
                    本文档使用
                    php中文网手册 发布
                
(PECL ps >= 1.1.0)
ps_setlinecap — Sets appearance of line ends
$psdoc 
   ,  int $type 
   )Sets how line ends look like.
psdoc Resource identifier of the postscript file as returned by ps_new() .
type The type of line ends. Possible values are PS_LINECAP_BUTT, PS_LINECAP_ROUND, or PS_LINECAP_SQUARED.
   成功时返回  TRUE , 或者在失败时返回  FALSE 。