wpsnoop: fix NextGEN FlashViewer plugin conflicts, errors & issues

When the plugin NextGEN FlashViewer conflicts or throws a PHP error we hope wpsnoop can help you to fix the issue quickly.


Discover which shortcodes wp-options PHP functions database tables and files are created by NextGEN FlashViewer, plus learn which plugins and/or themes could be in conflict with NextGEN FlashViewer.


Troubleshooting theme and plugin conflicts is easier when you know what NextGEN FlashViewer leaves behind after uninstalling it from a WordPress installation, there is a list down below for your convenience.

Expert advice is recommended if you are not technically proficient with PHP, MySQL etc. View support options for NextGEN FlashViewer

Get professional support for NextGEN FlashViewer here

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What does NextGEN FlashViewer version 1.3 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for NextGEN FlashViewer to perform differently in your installation, previous versions before 1.3 may have created a different set of shortcodes, used different function names or could have created entirely different database tables to store settings and operate. This is not an exhaustive list but shows how version 1.3 of NextGEN FlashViewer behaves when installed and removed on a clean installation of WordPress.

We have not tested individual shortcodes, features or settings of this plugin but instead have concentrated on the potential for obvious errors and conflicts which can occur, if you need help with the plugin in your local installation you can get WordPress help and support for NextGEN FlashViewer by clicking here.

Our testing covered the free version of this plugin there may or may not be a paid version or premium version available for purchase that unlocks additional features and could behave in a slightly or very different manner.

Which new files does NextGEN FlashViewer add to WordPress?

This section will populate with a table showing an icon, size and filepath.

Type & Path Size Conflicts
wp-content/plugins/nextgen-flashviewer/ 354.72kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/admin/ 62.51kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/admin/admin.php 2.91kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/admin/install.php 9.29kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/admin/settings.php 50.31kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/changelog.txt 2.74kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/js/ 9.53kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/js/swfobject.js 9.53kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/langs/ 157.02kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/langs/nggflash-de_DE.mo 20.31kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/langs/nggflash-de_DE.po 27.77kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/langs/nggflash-es_ES.mo 19.69kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/langs/nggflash-es_ES.po 25.39kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/langs/nggflash-it_IT.mo 20.45kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/langs/nggflash-it_IT.po 25.44kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/langs/nggflash.po 17.97kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/lib/ 37.40kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/lib/functions.php 26.19kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/lib/shortcodes.php 5.66kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/lib/swfobject.php 5.55kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/nggflashviewer.php 5.07kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/readme.txt 3.24kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/screenshot-1.png 22.24kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/screenshot-2.png 22.58kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/screenshot-3.png 8.85kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/screenshot-4.png 14.46kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/xml/ 9.08kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/xml/autoviewer.php 2.14kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/xml/postcardviewer.php 2.10kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/xml/simpleviewer.php 2.81kB No known conflicts with other themes or plugins.
wp-content/plugins/nextgen-flashviewer/xml/tiltviewer.php 2.04kB No known conflicts with other themes or plugins.

Which new shortcodes does NextGEN FlashViewer add to WordPress?

ShortCode   Known Plugin or Theme conflicts
[simpleviewer] The simpleviewer shortcode has potential conflict with at least 1 other plugin or theme.
[autoviewer] The autoviewer shortcode doesn't have any known conflicts with other themes or plugins.
[pcviewer] The pcviewer shortcode doesn't have any known conflicts with other themes or plugins.
[tiltviewer] The tiltviewer shortcode doesn't have any known conflicts with other themes or plugins.

Note: We have not yet checked to see if these shortcodes work as expected in pages, posts, sidebar widgets, or when set as the page title, in content, in the excert, in menus or anywhere else within a WordPress installation. A shortcode could produce errors due to parameters added when it is used, or if the plugin is updated and the format of the shortcode has changed.

Which new database tables are created by the WordPress plugin NextGEN FlashViewer?

Which new options are added to the wp-options table by NextGEN FlashViewer?

Option Name   Known Conflicts
ngg_fv_options The ngg_fv_options option doesn't have any known conflicts with other themes or plugins.

During use NextGEN FlashViewer may or may not create more options depending on how the plugin is configured and depending on which other themes and plugins are active in your specific hosting environment.

What new PHP functions does NextGEN FlashViewer declare when it is active?

Using NextGEN FlashViewer from the command line with WP-CLI

The following commands are provided for convenience and should only be used if you understand how WP-CLI works. These commands refer to a single WordPress instance and may need to be modified if you are working with a Multisite installation.


How to install NextGEN FlashViewer from the command line with WP-CLI

Navigate to the root of your WordPress installation and type the following command:

wp plugin install nextgen-flashviewer


How to activate NextGEN FlashViewer from the command line with WP-CLI

To immediately activate NextGEN FlashViewer after WP-CLI downloads the latest version you can use the following command:

wp plugin install nextgen-flashviewer --activate


How to reinstall NextGEN FlashViewer from the command line with WP-CLI

To force a reinstallation of NextGEN FlashViewer which overwrites the current plugin without asking for confirmation you can use the following command:

wp plugin install nextgen-flashviewer --force


How to update NextGEN FlashViewer to the latest version from the command line with WP-CLI

wp plugin update nextgen-flashviewer


How to delete NextGEN FlashViewer from the command line with WP-CLI

wp plugin delete nextgen-flashviewer

Where can you download earlier versions of NextGEN FlashViewer?

Whenever possible you should use the latest version of plugins and themes, however if you have recently updated and discovered that you need to install an earlier version you may be able to download other versions of NextGEN FlashViewer from the WordPress repository by visiting this link.

Please note that installing earlier versions of a theme or plugin is not generally a recommended course of action for most users and could re-introduce security, stability or other issues in NextGEN FlashViewer

About our testing enviroment

Tests were conducted using Apache 2.4.29, PHP 7.2 on Ubuntu 18.04, MySQL 5.7.33 and WordPress 5.9

It is very possible that different versions of PHP such as PHP 8.0, PHP 7.4, or PHP 7.3 could behave differently with NextGEN FlashViewer. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.