ImageMagick Preserve Exif Data - resize

Question

I have a resizing function that does it's primary job right, but doesn't save
the exif data that comes with the original image file. Everything seems to be
correct until I call ->writeImage(); function, which seems to strip the exif
data of the image.
$resizeimage= new Imagick($image);
$exifDataArray = $resizeimage->getImageProperties("exif:*");
$resizeimage->thumbnailImage($width,$height);
$resizeimage->setImageCompression(imagick::COMPRESSION_JPEG);
$resizeimage->setImageCompressionQuality(90);
echo $resizeimage->setImageProperty('Exif:Make', 'BLABLABLA');
$resizeimage->writeImage();
$updated= new Imagick($image);
echo $updated->getImageProperty('Exif:Make');
Note that If I print_r($exifDataArray); it shows the exif data
To make a change I put 'Exif:Make', 'BLABLABLA' and see if the
new exif data is written on the image, and it is written correctly
but after I resizeimage->writeImage();
No more exif data is present on the image file.
Can anybody help? Is there any way to keep the exif data on the image?

Answer 1

It seems the error isn't there for the first time.
A workaround I use at the moment:
exiftool -overwrite_original_in_place -tagsFromFile $source_file $converted_file

Answer 2

You should not use the thumbnailImage image method if you want to preserve exif data. The following is from the documentation of ImageMagick (http://www.imagemagick.org/script/command-line-options.php#thumbnail):
-thumbnail geometry
This is similar to -resize, except it is optimized for speed and any image
profile, other than a color profile, is removed to reduce the thumbnail size.
You should use the method resizeImage instead (http://www.php.net/manual/en/imagick.resizeimage.php)