Php/docs/imagick.getiteratorindex

• PHP Manual
• Imagick
• Gets the index of the current active image

Imagick::getIteratorIndex

(PECL imagick 2, PECL imagick 3)

Imagick::getIteratorIndex — Gets the index of the current active image

说明

public Imagick::getIteratorIndex ( ) : int

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。

返回值

Returns an integer containing the index of the image in the stack.

错误／异常

错误时抛出 ImagickException。

范例

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();?>

参见

• Imagick::setIteratorIndex() - Set the iterator position
• Imagick::getImageIndex() - Gets the index of the current active image
• Imagick::setImageIndex() - Set the iterator position