BP_GOPP_Image_Editor_GS::save( string $destfilename = null, string $mime_type = null )

	public function save( $destfilename = null, $mime_type = null ) {
		list( $filename, $extension, $mime_type ) = $this->get_output_format( $destfilename, $mime_type );

		if ( 'image/jpeg' !== $mime_type ) {
			return new WP_Error( 'image_save_error', __( 'Unsupported MIME type.', 'buddyboss' ), $mime_type );
		}

		if ( ! $filename || ! ( $dirname = dirname( $filename ) ) ) {
			return new WP_Error( 'image_save_error', __( 'Unsupported destination.', 'buddyboss' ), $filename );
		}

		// Make sure not to overwrite existing JPEG with same name. Redundant now for WP 4.7.3+ after #39875, but keep for BC.
		$filename = $dirname . '/' . wp_unique_filename( $dirname, wp_basename( $filename ) );

		if ( ! ( $cmd = self::gs_cmd( $this->get_gs_args( $filename ) ) ) ) {
			return new WP_Error( 'image_save_error', __( 'No Ghostscript.', 'buddyboss' ) );
		}
		$return_var = -1;
		$output     = array();
		exec( $cmd, $output, $return_var );

		if ( 0 !== $return_var ) {
			do_action( 'gopp_error', __CLASS__, __FUNCTION__, __LINE__, compact( 'cmd', 'return_var', 'output' ) );
			return new WP_Error( 'image_save_error', __( 'Image Editor Save Failed', 'buddyboss' ) );
		}

		$size = @ getimagesize( $filename );
		if ( ! $size ) {
			return new WP_Error( 'image_save_error', __( 'Could not read image size.', 'buddyboss' ) );
		}

		// Transmogrify into the JPEG file.
		$this->file      = $filename;
		$this->mime_type = $mime_type;
		$this->update_size( $size[0], $size[1] );

		// Set correct file permissions
		$stat  = stat( dirname( $filename ) );
		$perms = $stat['mode'] & 0000666; // Same permissions as parent folder, strip off the executable bits.
		@ chmod( $filename, $perms );

		/** This filter is documented in wp-includes/class-wp-image-editor-gd.php */
		return array(
			'path'      => $filename,
			'file'      => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ),
			'width'     => $this->size['width'],
			'height'    => $this->size['height'],
			'mime-type' => $mime_type,
		);
	}