$source = imagecreatefrompng($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
$source = imagecreatefrompng($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