PHP - Manual: Imagick::hasPreviousImage
2024-11-12
(PECL imagick 2, PECL imagick 3)
Imagick::hasPreviousImage — Checks if the object has a previous image
Returns true
if the object has more images when traversing the list in the reverse direction
此函数没有参数。
Returns true
if the object has more images when traversing the list in the
reverse direction, returns false
if there are none.
官方地址:https://www.php.net/manual/en/imagick.haspreviousimage.php