php imagick convert PNG to jpg

Question

$image = \"[...]\"; //binary string containing PNG image
$file = fopen(\'image.tmp\', \'wb\');
fputs($file, $image);
fclose($file);
$image = new Imagick(\'PNG:image.         


        

Answer 1

Found a solution:

$white=new Imagick();
$white->newImage($width, $height, "white");
$white->compositeimage($image, Imagick::COMPOSITE_OVER, 0, 0);
$white->setImageFormat('jpg');
$white->writeImage('image.jpg');