imagick库下png转jpg

imagick库下png转jpg

<?php
$white=new Imagick();
$white->newImage($width, $height, "white");
$white->compositeimage($image, Imagick::COMPOSITE_OVER, 0, 0);
$white->setImageFormat(&#39;jpg&#39;);
$white->writeImage(&#39;image.jpg&#39;);

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