Imagick::nextImage()

(PECL imagick 2.0.0)

Moves to the next image

说明

Imagick::nextImage(void): bool

Associates the next image in the image list with an Imagick object.

返回值

成功时返回TRUE。

Convert PDF to JPG page-wise:
<?php
$i = 0;
$imagick = new Imagick();
$imagick->readImage('myfile.pdf');
while($imagick->hasNextImage()) {
  $imagick->writeImage(++$i.'-converted.jpg', false);
  $imagick->nextImage();
}
?>
See also: http://php.net/manual/en/imagick.readimage.php