wpsnoop: fix JSON API plugin conflicts, errors & issues

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

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

Database Issues

ShortCode Issues

Function Issues

File System Issues

Get professional support for JSON API here

When you need professional help with WordPress: get help here

What does JSON API version 1.1.1 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for JSON API to perform differently in your installation, previous versions before 1.1.1 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 1.1.1 of JSON API 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 API 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 API

Plugin Slug: json-api Internal ID: 38573 Addon Type: Plugin Version: 1.1.1 Price: Free Source: WordPress.org Files: 51 (205.82kB) Short Codes: [ / ] 0 Database Tables: 0 Function Count: 7 Code Review: Search Provit

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Which new files does JSON API add to WordPress?

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

The plugin JSON API added 51 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/plugins/json-api/	205.82kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/assets/	4.17kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/assets/icon.svg	4.17kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/controllers/	16.52kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/controllers/core.php	9.69kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/controllers/posts.php	2.97kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/controllers/respond.php	770.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/controllers/widgets.php	3.10kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/json-api.php	2.36kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/library/	38.75kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/library/JSON.php	38.75kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/models/	16.65kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/models/attachment.php	1.83kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/models/author.php	1.51kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/models/category.php	686.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/models/comment.php	2.43kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/models/post.php	9.71kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/models/tag.php	521.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/readme.txt	42.82kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/screenshot-1.png	22.90kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/singletons/	34.27kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/singletons/api.php	13.44kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/singletons/introspector.php	9.12kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/singletons/query.php	5.61kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/singletons/response.php	6.10kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/	27.37kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_author_index-01.phpt	491.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_author_posts-01.phpt	568.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_author_posts-02.phpt	576.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_author_posts-03.phpt	564.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_category_index-01.phpt	510.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_category_posts-01.phpt	526.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_date_index-01.phpt	1.33kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_date_posts-01.phpt	518.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_date_posts-02.phpt	520.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_date_posts-03.phpt	520.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_page-01.phpt	419.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_page-02.phpt	641.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_post-01.phpt	461.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_posts-01.phpt	497.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_posts-02.phpt	623.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_posts-03.phpt	607.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_recent_posts-01.phpt	495.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_recent_posts-02.phpt	515.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_recent_posts-03.phpt	511.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_search_posts-01.phpt	521.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_tag_index-01.phpt	13.57kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.get_tag_posts-01.phpt	513.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.info-01.phpt	522.00B	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/core.info-02.phpt	1.12kB	No known conflicts with other themes or plugins.
wp-content/plugins/json-api/tests/query-01.phpt	513.00B	No known conflicts with other themes or plugins.

Which new shortcodes does JSON API add to WordPress?

The plugin JSON API 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 API?

JSON API 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 API?

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

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

Installing JSON API added 7 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_api_activation	9 conflicts	Fatal error: Cannot redeclare json_api_activation()
json_api_class_warning	5 conflicts	Fatal error: Cannot redeclare json_api_class_warning()
json_api_deactivation	9 conflicts	Fatal error: Cannot redeclare json_api_deactivation()
json_api_dir	5 conflicts	Fatal error: Cannot redeclare json_api_dir()
json_api_init	9 conflicts	Fatal error: Cannot redeclare json_api_init()
json_api_php_version_warning	5 conflicts	Fatal error: Cannot redeclare json_api_php_version_warning()
json_api_rewrites	5 conflicts	Fatal error: Cannot redeclare json_api_rewrites()

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

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

wp plugin install json-api

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

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

wp plugin install json-api --activate

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

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

wp plugin install json-api --force

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

wp plugin update json-api

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

wp plugin delete json-api

Where can you download earlier versions of JSON API?

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 API 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 API

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