ps_close_image

(PECL ps >= 1.1.0)

ps_close_image — Closes image and frees memory

void ps_close_image ( resource $psdoc , int $imageid )

Closes an image and frees its resources. Once an image is closed it cannot be used anymore.

psdoc: Resource identifier of the postscript file as returned by ps_new().
imageid: Resource identifier of the image as returned by ps_open_image() or ps_open_image_file().

Returns NULL on success 或者在失败时返回 FALSE.