(PECL imagick 2.0.0)
Imagick::getIteratorIndex — Gets the index of the current active image
Returns the index of the current active image within the Imagick object. 此方法在Imagick基于ImageMagick 6.2.9以上版本编译时可用。
Returns an integer containing the index of the image in the stack.
错误时抛出 ImagickException。
Example #1 Using Imagick::getIteratorIndex():
Create images, set and get the iterator index
<?php
$im = new Imagick();
$im->newImage(100, 100, new ImagickPixel("red"));
$im->newImage(100, 100, new ImagickPixel("green"));
$im->newImage(100, 100, new ImagickPixel("blue"));
$im->setIteratorIndex(1);
echo $im->getIteratorIndex();
?>