File Content: functions.php <?php if (!function_exists('curly_core_add_image_gallery_shortcodes')) { function curly_core_add_image_gallery_shortcodes($shortcodes_class_name) { $shortcodes = array( 'CurlyCore\CPT\Shortcodes\ImageGallery\ImageGallery' ); $shortcodes_class_name = array_merge($shortcodes_class_name, $shortcodes); return $shortcodes_class_name; } add_filter('curly_core_filter_add_vc_shortcode', 'curly_core_add_image_gallery_shortcodes'); } if (!function_exists('curly_core_set_image_gallery_icon_class_name_for_vc_shortcodes')) { /** * Function that set custom icon class name for image gallery shortcode to set our icon for Visual Composer shortcodes panel */ function curly_core_set_image_gallery_icon_class_name_for_vc_shortcodes($shortcodes_icon_class_array) { $shortcodes_icon_class_array[] = '.icon-wpb-image-gallery'; return $shortcodes_icon_class_array; } add_filter('curly_core_filter_add_vc_shortcodes_custom_icon_class', 'curly_core_set_image_gallery_icon_class_name_for_vc_shortcodes'); } if (!function_exists('curly_core_add_image_gallery_attachment_custom_field')) { function curly_core_add_image_gallery_attachment_custom_field($form_fields, $post = null) { if (wp_attachment_is_image($post->ID)) { $field_value = get_post_meta($post->ID, 'image_gallery_masonry_image_size', true); $form_fields['image_gallery_masonry_image_size'] = array( 'input' => 'html', 'label' => esc_html__('Image Size', 'curly-core'), 'helps' => esc_html__('Choose image size for Image Gallery shortcode item - Masonry layout', 'curly-core') ); $form_fields['image_gallery_masonry_image_size']['html'] = "<select name='attachments[{$post->ID}][image_gallery_masonry_image_size]'>"; $form_fields['image_gallery_masonry_image_size']['html'] .= '<option ' . selected($field_value, 'mkdf-default-masonry-item', false) . ' value="mkdf-default-masonry-item">' . esc_html__('Default Size', 'curly-core') . '</option>'; $form_fields['image_gallery_masonry_image_size']['html'] .= '<option ' . selected($field_value, 'mkdf-large-masonry-item', false) . ' value="mkdf-large-masonry-item">' . esc_html__('Large Size', 'curly-core') . '</option>'; $form_fields['image_gallery_masonry_image_size']['html'] .= '</select>'; } return $form_fields; } add_filter('attachment_fields_to_edit', 'curly_core_add_image_gallery_attachment_custom_field', 10, 2); } if (!function_exists('curly_core_save_image_gallery_attachment_fields')) { /** * @param array $post * @param array $attachment * * @return array */ function curly_core_save_image_gallery_attachment_fields($post, $attachment) { if (isset($attachment['image_gallery_masonry_image_size'])) { update_post_meta($post['ID'], 'image_gallery_masonry_image_size', $attachment['image_gallery_masonry_image_size']); } return $post; } add_filter('attachment_fields_to_save', 'curly_core_save_image_gallery_attachment_fields', 10, 2); } Submit