PHP Manual
PS 函数
Closes image and frees memory

ps_close_image

(PECL ps >= 1.1.0)

ps_close_image — Closes image and frees memory

说明

ps_close_image ( resource $psdoc , int $imageid ) : void

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

参数

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().

返回值

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

参见

ps_open_image() - Reads an image for later placement
ps_open_image_file() - Opens image from file

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