WebDevStudios / CMB2

			if ( $this->is_valid_img_ext( $meta_value ) ) {

				if ( $_id_value ) {

					$image = wp_get_attachment_image( $_id_value, $img_size, null, array( 'class' => 'cmb-file-field-image' ) );

				} else {

					$size = is_array( $img_size ) ? $img_size[0] : 350;

					$image = '<img style="max-width: ' . absint( $size ) . 'px; width: 100%; height: auto;" src="' . $meta_value . '" alt="" />';

				}

				$output .= $this->img_status_output( array(

					'image'     => $image,

		if ( $field_type->is_valid_img_ext( $url_value ) ) {

			$img_size = $this->field->args( 'preview_size' );

			if ( $id ) {

				$image = wp_get_attachment_image( $id, $img_size, null, array( 'class' => 'cmb-image-display' ) );

			} else {

				$size = is_array( $img_size ) ? $img_size[0] : 200;

				$image = '<img class="cmb-image-display" style="max-width: ' . absint( $size ) . 'px; width: 100%; height: auto;" src="' . $url_value . '" alt="" />';

			}

			echo $image;