PHP GD - imagerotate for a jpeg image is not working

Question

Title says JPEG. But I tried PNG. It didn't work. GD supports imagerotate function.

 if (function_exists('imagerotate')) { 
     echo "test";
 }

It outputs the word test. So i assume I have imagerotate function.

$im = imagecreatetruecolor($width + 10, $height + 10);
...

I did some image porcess. I can see the processed image without any problem. But i want to rotate the final image. So i did the following.

 imagerotate($im,180,0);
 imagepng($im,$png,9);
 imagedestroy($im);

But I am still getting the image without rotation. I even just tried to rotate a image without doing any process. It didn't work too.

$png has some name. I am trying it with the following name Output.png — Mahesh, Aug 15 '12 at 18:22
And you are 100% sure the file is being written? You compared the file's "last modified" time and it's storing an unrotated image? — Pekka, Aug 15 '12 at 19:07

score 3 · Accepted Answer · answered Aug 16 '12 at 07:53

3

You need to assign the rotated image to another variable before create the png.

$rotatedImage = imagerotate($im,180,0);
 imagepng($rotatedImage,$png,9);
 imagedestroy($rotatedImage);

answered Aug 16 '12 at 07:53

Oras

1 Answers1