(PECL ps >= 1.3.4)
ps_include_file — Reads an external file with raw PostScript code
$psdoc
$file
本函数还未编写文档，仅有参数列表。
psdoc
Resource identifier of the postscript file as returned by ps_new().
file
成功时返回 true， 或者在失败时返回 false。
true
false
