_rotate_image_resource example

        $image = apply_filters_deprecated( 'image_edit_before_change', array( $image, $changes ), '3.5.0', 'wp_image_editor_before_change' );
    }

    foreach ( $changes as $operation ) {
        switch ( $operation->type ) {
            case 'rotate':
                if ( 0 != $operation->angle ) {
                    if ( $image instanceof WP_Image_Editor ) {
                        $image->rotate( $operation->angle );
                    } else {
                        $image = _rotate_image_resource( $image, $operation->angle );
                    }
                }
                break;
            case 'flip':
                if ( 0 != $operation->axis ) {
                    if ( $image instanceof WP_Image_Editor ) {
                        $image->flip( ( $operation->axis & 1 ) != 0, ( $operation->axis & 2 ) != 0 );
                    } else {
                        $image = _flip_image_resource( $image, ( $operation->axis & 1 ) != 0, ( $operation->axis & 2 ) != 0 );
                    }
                }