wpsnoop: fix JSON feed plugin conflicts, errors & issues

When the plugin JSON feed 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 JSON feed, plus learn which plugins and/or themes could be in conflict with JSON feed.

Troubleshooting theme and plugin conflicts is easier when you know what JSON feed 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 JSON feed

Database Issues

ShortCode Issues

Function Issues

File System Issues

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What does JSON feed version 1.3 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for JSON feed 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 JSON feed 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 JSON feed 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.

Summary of WordPress plugin analysis: JSON feed

Plugin Slug: json-feed Internal ID: 38588 Addon Type: Plugin Version: 1.3 Price: Free Source: WordPress.org Files: 3 (4.28kB) Short Codes: [ / ] 0 Database Tables: 0 Function Count: 8 Code Review: Search Provit

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Which new files does JSON feed add to WordPress?

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

The plugin JSON feed added 3 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/plugins/json-feed/	4.28kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-feed/json-feed.php	2.84kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-feed/readme.txt	1.45kB	No known conflicts with other themes or plugins.

Which new shortcodes does JSON feed add to WordPress?

The plugin JSON feed did not add any shortcodes when it was installed with WP-CLI in our WordPress test environment.

Which new database tables are created by the WordPress plugin JSON feed?

JSON feed did not create any new database tables when it was installed. It is possible that the plugin creates new database tables after an initial setup or configuration or after some period of use.

Which new options are added to the wp-options table by JSON feed?

None. There may be settings which have been changed by installing the JSON feed plugin however we do not yet track those changes.

What new PHP functions does JSON feed declare when it is active?

Installing JSON feed added 8 new functions to Wordpress at run-time. These functions are internal and generally aren't meant to be used except by developpers who wish to interface with the plugin to enhance or alter its behavior.

Function	Conflicts	Common Errors
json_feed	1 conflict	Fatal error: Cannot redeclare json_feed()
json_feed_categories	1 conflict	Fatal error: Cannot redeclare json_feed_categories()
json_feed_date_format	1 conflict	Fatal error: Cannot redeclare json_feed_date_format()
json_feed_format_category	1 conflict	Fatal error: Cannot redeclare json_feed_format_category()
json_feed_format_tag	1 conflict	Fatal error: Cannot redeclare json_feed_format_tag()
json_feed_queryvars	1 conflict	Fatal error: Cannot redeclare json_feed_queryvars()
json_feed_remove_uncategorized	1 conflict	Fatal error: Cannot redeclare json_feed_remove_uncategorized()
json_feed_tags	1 conflict	Fatal error: Cannot redeclare json_feed_tags()

Using JSON feed 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 JSON feed from the command line with WP-CLI

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

wp plugin install json-feed

How to activate JSON feed from the command line with WP-CLI

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

wp plugin install json-feed --activate

How to reinstall JSON feed from the command line with WP-CLI

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

wp plugin install json-feed --force

How to update JSON feed to the latest version from the command line with WP-CLI

wp plugin update json-feed

How to delete JSON feed from the command line with WP-CLI

wp plugin delete json-feed

Where can you download earlier versions of JSON feed?

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 JSON feed 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 JSON feed

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 JSON feed. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.