Gmagick::previousimage

    (PECL gmagick >= Unknown)

    Gmagick::previousimage — Move to the previous image in the object

    说明

    public Gmagick::previousimage(): bool

    Associates the previous image in an image list with the Gmagick object.

    参数

    此函数没有参数。

    返回值

    成功时返回 true， 或者在失败时返回 false。

    错误／异常

    错误时抛出 GmagickException。

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