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Imagick::setIteratorIndex

(PECL imagick 2.0.0)

Imagick::setIteratorIndexSet the iterator position

说明

Imagick::setIteratorIndex ( int $index ) : bool

Set the iterator to the position in the image list specified with the index parameter. 此方法在Imagick基于ImageMagick 6.2.9以上版本编译时可用。

参数

index

The position to set the iterator to

返回值

成功时返回 TRUE

范例

Example #1 Using Imagick::setIteratorIndex():

Create images, set and get the iterator index

<?php
$im 
= new Imagick();
$im->newImage(100100, new ImagickPixel("red"));
$im->newImage(100100, new ImagickPixel("green"));
$im->newImage(100100, new ImagickPixel("blue"));

$im->setIteratorIndex(1);
echo 
$im->getIteratorIndex();
?>

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