wpsnoop: fix rexCrawler plugin conflicts, errors & issues

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

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

Database Issues

ShortCode Issues

Function Issues

File System Issues

Get professional support for rexCrawler here

When you need professional help with WordPress: get help here

What does rexCrawler version 1.0.15 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for rexCrawler to perform differently in your installation, previous versions before 1.0.15 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 1.0.15 of rexCrawler 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 rexCrawler 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: rexCrawler

Plugin Slug: rexcrawler Internal ID: 60344 Addon Type: Plugin Version: 1.0.15 Price: Free Source: WordPress.org Files: 19 (107.52kB) Short Codes: [ / ] 0 Database Tables: 5 Function Count: 14 Code Review: Search Provit

Do you need help with rexCrawler? Get professional plugin support here in no time at all

Which new files does rexCrawler add to WordPress?

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

The plugin rexCrawler added 19 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/plugins/rexcrawler/	107.52kB	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/admin_crawl.php	3.86kB	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/admin_main.php	16.99kB	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/admin_output.php	11.88kB	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/admin_regex_test.php	6.01kB	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/crawler.php	1.12kB	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/css/	331.00B	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/css/admin.css	331.00B	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/js/	8.21kB	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/js/admin.js	3.43kB	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/js/ajax.js	4.78kB	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/loading.gif	2.47kB	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/nbproject/	460.00B	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/nbproject/project.properties	139.00B	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/nbproject/project.xml	321.00B	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/public_content.php	27.48kB	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/readme.txt	3.89kB	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/rexCrawler-da_DK.mo	11.84kB	No known conflicts with other themes or plugins.
wp-content/plugins/rexcrawler/rexCrawler.php	12.99kB	No known conflicts with other themes or plugins.

Which new shortcodes does rexCrawler add to WordPress?

The plugin rexCrawler 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 rexCrawler?

rexCrawler created 5 new database tables when it was installed in our test environment:

Table name	Known Plugin or Theme conflicts
wp_rc_data	The wp_rc_data table doesn't have any known conflicts with other themes or plugins.
wp_rc_groups	The wp_rc_groups table doesn't have any known conflicts with other themes or plugins.
wp_rc_pagedata	The wp_rc_pagedata table doesn't have any known conflicts with other themes or plugins.
wp_rc_pages	The wp_rc_pages table doesn't have any known conflicts with other themes or plugins.
wp_rc_stylesheets	The wp_rc_stylesheets table doesn't have any known conflicts with other themes or plugins.

After uninstalling and deleting rexCrawler using WP-CLI there were 5 database tables that still remained:

Table name	Status
wp_rc_data	Orphan/Zombie
wp_rc_groups	Orphan/Zombie
wp_rc_pagedata	Orphan/Zombie
wp_rc_pages	Orphan/Zombie
wp_rc_stylesheets	Orphan/Zombie

Click the table name above for more information on what the orphan tables could mean to your WordPress installation and some tips on how to deal with it.

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

When rexCrawler was activated and loaded for the first time it created 1 new option in the wp_options table. Any known conflicts will be shown in red.

Option Name		Known Conflicts
rc_version		The rc_version option doesn't have any known conflicts with other themes or plugins.
(empty string)

During use rexCrawler 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.

After disabling and deleting rexCrawler there were 2 options still present in the wp-options table:

rc_version
recently_activated

Contact rexCrawler experts for help

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

Installing rexCrawler added 14 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
add_admin_styles	3 conflicts	Fatal error: Cannot redeclare add_admin_styles()
rc_init	1 conflict	Fatal error: Cannot redeclare rc_init()
rc_admin_init	0 conflicts	Fatal error: Cannot redeclare rc_admin_init()
rc_admin_menu	0 conflicts	Fatal error: Cannot redeclare rc_admin_menu()
rc_ajax_admin_stylesheet_get_data	0 conflicts	Fatal error: Cannot redeclare rc_ajax_admin_stylesheet_get_data()
rc_ajax_admin_stylesheet_name	0 conflicts	Fatal error: Cannot redeclare rc_ajax_admin_stylesheet_name()
rc_ajax_output	0 conflicts	Fatal error: Cannot redeclare rc_ajax_output()
rc_get_groups	0 conflicts	Fatal error: Cannot redeclare rc_get_groups()
rc_install	0 conflicts	Fatal error: Cannot redeclare rc_install()
rc_load_output_stylesheets	0 conflicts	Fatal error: Cannot redeclare rc_load_output_stylesheets()
rc_output_yesno	0 conflicts	Fatal error: Cannot redeclare rc_output_yesno()
rc_plugin_actlinks	0 conflicts	Fatal error: Cannot redeclare rc_plugin_actlinks()
rc_public_content	0 conflicts	Fatal error: Cannot redeclare rc_public_content()
rc_row_meta	0 conflicts	Fatal error: Cannot redeclare rc_row_meta()

Using rexCrawler 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 rexCrawler from the command line with WP-CLI

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

wp plugin install rexcrawler

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

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

wp plugin install rexcrawler --activate

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

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

wp plugin install rexcrawler --force

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

wp plugin update rexcrawler

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

wp plugin delete rexcrawler

Where can you download earlier versions of rexCrawler?

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 rexCrawler 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 rexCrawler

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