PHP旋转PNG图片后图片变为无色，白色的样子

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 $source = imagecreatefrompng($fullFileName);
$rotate = imagerotate($source, 90, 0);
imagepng($rotate,$fullFileName,75);

三行代码，jpg的就没事，png的就变无色了

10 years, 3 months ago

凶猛的小虚 10 years, 3 months ago