public ImageInterface::save($destination = NULL)
Closes the image and saves the changes to a file.
string|null $destination: (optional) Destination path where the image should be saved. If it is empty the original image file will be overwritten.
bool TRUE on success, FALSE on failure.
\Drupal\Core\ImageToolkit\ImageToolkitInterface::save()
public function save($destination = NULL);
© 2001–2016 by the original authors
Licensed under the GNU General Public License, version 2 and later.
Drupal is a registered trademark of Dries Buytaert.
https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Image!ImageInterface.php/function/ImageInterface::save/8.1.x