Php/docs/imagick.haspreviousimage
来自菜鸟教程
Imagick::hasPreviousImage
(PECL imagick 2, PECL imagick 3)
Imagick::hasPreviousImage — Checks if the object has a previous image
说明
public Imagick::hasPreviousImage ( ) : bool
Returns true
if the object has more images when traversing the list in the reverse direction
返回值
Returns true
if the object has more images when traversing the list in the
reverse direction, returns false
if there are none.