(PECL ps >= 1.1.0)
ps_open_file — Opens a file for output
$psdoc
[, string $filename
] ) : boolCreates a new file on disk and writes the PostScript document into it. The file will be closed when ps_close() is called.
psdocResource identifier of the postscript file as returned by ps_new().
filename
The name of the postscript file.
If filename is not passed the document will be
created in memory and all output will go straight to the browser.
成功时返回 TRUE， 或者在失败时返回 FALSE。
Today, I used this function and did not specify a path to the file name. The file was created in C:\Program Files\Apache2.2 instead of the current working directory. When using this function, be sure to specify the full path to the file that should be created.