wpsnoop: fix PostMapper plugin conflicts, errors & issues

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


Troubleshooting theme and plugin conflicts is easier when you know what PostMapper 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 PostMapper

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What does PostMapper version 1.2 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for PostMapper to perform differently in your installation, previous versions before 1.2 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 1.2 of PostMapper 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 PostMapper 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 PostMapper add to WordPress?

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

Type & Path Size Conflicts
wp-content/plugins/postmapper/ 102.58kB No known conflicts with other themes or plugins.
wp-content/plugins/postmapper/js/ 38.40kB No known conflicts with other themes or plugins.
wp-content/plugins/postmapper/js/jquery.validate.js 38.40kB No known conflicts with other themes or plugins.
wp-content/plugins/postmapper/license.txt 16.50kB No known conflicts with other themes or plugins.
wp-content/plugins/postmapper/postmapper-export.php 5.37kB No known conflicts with other themes or plugins.
wp-content/plugins/postmapper/postmapper-map.php 11.47kB No known conflicts with other themes or plugins.
wp-content/plugins/postmapper/postmapper-results-json.php 3.43kB No known conflicts with other themes or plugins.
wp-content/plugins/postmapper/postmapper.php 25.86kB No known conflicts with other themes or plugins.
wp-content/plugins/postmapper/readme.txt 1.55kB No known conflicts with other themes or plugins.

Which new shortcodes does PostMapper add to WordPress?

ShortCode   Known Plugin or Theme conflicts
[postmapper] The postmapper 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 PostMapper?

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

What new PHP functions does PostMapper declare when it is active?

Function   Conflicts Common Errors
admin_init 13 conflicts Fatal error: Cannot redeclare admin_init()
save_details 7 conflicts Fatal error: Cannot redeclare save_details()
my_post_admin_notices 0 conflicts Fatal error: Cannot redeclare my_post_admin_notices()
my_post_redirect_filter 0 conflicts Fatal error: Cannot redeclare my_post_redirect_filter()
postmapper_address 0 conflicts Fatal error: Cannot redeclare postmapper_address()
postmapper_custom_columns 0 conflicts Fatal error: Cannot redeclare postmapper_custom_columns()
postmapper_edit_columns 0 conflicts Fatal error: Cannot redeclare postmapper_edit_columns()
postmapper_load 0 conflicts Fatal error: Cannot redeclare postmapper_load()
postmapper_posts_where 0 conflicts Fatal error: Cannot redeclare postmapper_posts_where()
postmapper_register 0 conflicts Fatal error: Cannot redeclare postmapper_register()
postmapper_sc 0 conflicts Fatal error: Cannot redeclare postmapper_sc()
postmapper_sort 0 conflicts Fatal error: Cannot redeclare postmapper_sort()
postmapper_sortable_columns 0 conflicts Fatal error: Cannot redeclare postmapper_sortable_columns()
publish_post 0 conflicts Fatal error: Cannot redeclare publish_post()
register_postmapper_export_callback 0 conflicts Fatal error: Cannot redeclare register_postmapper_export_callback()
register_postmapper_options_callback 0 conflicts Fatal error: Cannot redeclare register_postmapper_options_callback()
register_postmapper_options_page 0 conflicts Fatal error: Cannot redeclare register_postmapper_options_page()

Using PostMapper 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 PostMapper from the command line with WP-CLI

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

wp plugin install postmapper


How to activate PostMapper from the command line with WP-CLI

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

wp plugin install postmapper --activate


How to reinstall PostMapper from the command line with WP-CLI

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

wp plugin install postmapper --force


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

wp plugin update postmapper


How to delete PostMapper from the command line with WP-CLI

wp plugin delete postmapper

Where can you download earlier versions of PostMapper?

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 PostMapper 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 PostMapper

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