(PECL ps >= 1.1.0)
ps_open_image_file — Opens image from file
Loads an image for later use.
Resource identifier of the postscript file as returned by ps_new().
The type of the image. Possible values are png, jpeg, or eps.
The name of the file containing the image data.
Returns identifier of image or zero in case of an error. The identifier is a positive number greater than 0.