Imbo\EventListener\ImageVariations\Storage\S3::deleteImageVariations PHP Method

    public function deleteImageVariations($user, $imageIdentifier, $width = null)
    {
        // If width is specified, delete only the specific image
        if ($width !== null) {
            $this->getClient()->deleteObject(['Bucket' => $this->params['bucket'], 'Key' => $this->getImagePath($user, $imageIdentifier, $width)]);
            return true;
        }
        // If width is not specified, delete every variation. Ask S3 to list all files in the
        // directory.
        $variationsPath = $this->getImagePath($user, $imageIdentifier);
        $varations = $this->getClient()->getIterator('ListObjects', ['Bucket' => $this->params['bucket'], 'Prefix' => $variationsPath]);
        // Note: could also use AWS's deleteMatchingObjects instead of deleting items one by one
        foreach ($varations as $variation) {
            $this->getClient()->deleteObject(['Bucket' => $this->params['bucket'], 'Key' => $variation['Key']]);
        }
        return true;
    }