(PECL gmagick >= Unknown)
Gmagick::setimageindex — Set the iterator to the position in the image list specified with the index parameter
public Gmagick::setimageindex ( int $index ) : Gmagick
Set the iterator to the position in the image list specified with the index parameter.
index
The scene number.
The Gmagick object on success.
Throws an GmagickException on error.
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https://www.php.net/manual/en/gmagick.setimageindex.php