Questions tagged [uninstallation]
The uninstallation tag has no usage guidance.
54 questions
1
vote
1
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166
views
How can I completely disable a WordPress installation?
I would like to completely disable a Wordpress website. I'd like it to be completely inaccessible to visitors, and have no activity taking place on the server (no updates, cron jobs, etc.) I'd like to ...
- 75
0
votes
0
answers
37
views
delete widget upon uninstall
I developped a plugin that makes use of the widgets. It is compatible with both pre-5.8 WordPress widgets (legacy widgets) and the new block editor widgets. The widgets of my plugin do nothing but ...
- 21
0
votes
2
answers
646
views
How to delete Crisp Chat plugin completely?
I had installed a chat plugin called Crisp chat. But i still see crisp chat box in my mobile but not in PC. I have deleted it yet it is seen in mobile. please guide me.
0
votes
0
answers
38
views
Scripts don't enqueue after removing plugin
Using the Ultimate Member plugin. My custom scripts are loading in my child-theme as follows:
function some_theme_enqueue_styles() {
wp_enqueue_style( 'parent-style', get_template_directory_uri() ...
- 109
1
vote
1
answer
42
views
UnInstallation of a Plugin from a developers perspective - The correct and clean method
I think a good developer should provide the uninstallation in the safest and cleanest possible way.
I downloaded various plugins today to understand the process, but everything was very confusing. I ...
- 49
1
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0
answers
27
views
How to remove traces from widget during uninstallation
I have a small plugin, which registers a custom widget and now I am wondering how to remove all traces of this widget when the plugin is removed through the administration.
If I look in the database ...
- 1,164
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0
answers
146
views
check_admin_referer fails on new AJAX plugin uninstall with "Are you sure you want to do this?"
Before WordPress core had AJAX plugin actions, uninstallation in register_uninstall_hook() worked fine:
if ( ! current_user_can( 'activate_plugins' ) )
return;
check_admin_referer( 'bulk-plugins' ...
- 181
0
votes
1
answer
361
views
plugin uninstall function drop the tables, but shows errors on admin
I'm new in Wordpress and I have a function that drop the tables of my plugin on DB.
<?php
if (! defined('WP_UNINSTALL_PLUGIN')) {
exit;
}
// Uninstallation actions here
global $wpdb;
$...
1
vote
3
answers
1k
views
uninstall.php does not appear to trigger when uninstalling my plugin
i am new to plugin development in wordpress and i have have this simple test plugin that i am working on. The problem i am having is that the uninstall.php file does not appear to get trigger and as ...
0
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3
answers
998
views
How Do I Uninstall a Current WordPress Theme and Install a Fresh Theme
I own a site called explainz.com. The current theme is all messed up. I am considering installing a new theme. How do I actually go about it?
Would it be sufficient if I just uninstalled the existing ...
1
vote
1
answer
22
views
Where could I see uninstallation directives for a plugin?
Where could I see uninstallation directives for a plugin?
I have a plugin named "Wordfence" I want to remove. I need to remove it manually due to what might be a bug in the plugin. How Could I see ...
user87795
1
vote
1
answer
35
views
One of my plugins broke when I tried to update it, how do I safely uninstall it?
I recently tried to update Yoast SEO to its most recent release (4.3). My site is running the most recent version of WordPress (4.7.2).
When I tried to install it, it gave me some error having to do ...
- 113
0
votes
1
answer
254
views
uninstall a theme programmaticlly
I'm working on a plugin that create, install, switch between child themes.
But I have a problem that my plugin creates just 2 or 3 child themes ( Is there any limit in creating child themes?).
So I'...
- 305
0
votes
1
answer
50
views
Plugin retrieving results even after uninstallation
I'm using the WP REST API plugin to get info from my website. I built a little plugin that uses this one. In my plugin I'm just removing some fields from the responses that I don't need.
Everything ...
- 103
1
vote
2
answers
65
views
Delete and perform a fresh install of WordPress
I have a blog page on my site, and after several people tried to help fix a problem it has gotten to the point that I get a lot of errors.
I am looking to delete my blog I reinstall it again, ...
- 11
8
votes
2
answers
3k
views
register_uninstall_hook() vs uninstall.php - which one is better way to handle plugin uninstallation script?
today while looking inside WP Codex, I saw two ways to handle plugin uninstall scripts (like deletings, options, data, tables etc.). One way is using register_uninstall_hook() and the other is by ...
- 936
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0
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15
views
Uninstallation method not triggered in child theme [duplicate]
I'm currently working on a WordPress child theme and I needed a way to delete all the data on uninstall, so I found this in the WordPress documentation.
I tested uninstall.php or the ...
- 111
1
vote
3
answers
272
views
Plugin development: delete options when updating to a new version
As a plugin developer, I want to ensure that my plugin doesn't leave any custom settings left behind from my plugin when upgrading from v1.0 to v2.0.
Whenever a user uninstalls my plugin, I've ...
- 4,029
5
votes
2
answers
2k
views
Uninstalling a plugin: delete all options with specific prefix
Objective
As all plugin developer, I want to delete all options that begin with the same prefix.
Backstory
I've developed a plugin that stores data in the options. When the user uninstalls the plugin, ...
- 4,029
1
vote
2
answers
350
views
Clearing caches on plugin uninstall
When a plugin is uninstalled, it should remove all related data from the site (or network, if on multisite). If a plugin adds tables to the database, for example, it should remove those tables from ...
- 3,945
2
votes
1
answer
615
views
Delete options from all blogs on plugin uninstall from a network/multisite
Codex says about deleting options on uninstal
//note in multisite looping through blogs to delete options on each
blog does not scale. You'll just have to leave them.
I am not very hopeful, but ...
- 23.7k
1
vote
2
answers
331
views
Global variables during plugin activation , deactivation and uninstall operarations
For activation hooks codex states that you have to be explicit on globals:
A note on variables during activation
But that seems not to be working on uninstall.php
If i define a global in my main ...
- 471
1
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0
answers
20
views
Deleting custom post types , custom taxonomies and their data on unistalling [duplicate]
I want to delete my CPTs and taxonomies when someone uninstalls the plugin.
Since the plugin is already deactivated the only way that i can do this is by issuing directly SQL statements to the db ...
- 471
0
votes
1
answer
93
views
PHP script for wiping WP database and folder
I have been trying to figure this out for the past couple of hours, mostly by using some code snippets found online, but since my PHP skills are quite rusty I haven't been able to put it together. If ...
- 17
1
vote
1
answer
797
views
Deletion of shared options using uninstall.php
I'm using uninstall.php for my plugin to delete all the traces my plugin did to a site on uninstall (delete). I did it in a good way, but even after the deletion there are some fields in the options ...
- 12.9k
5
votes
1
answer
19k
views
wpdb::prepare was called incorrectly
I have this code to remove orphaned posts after deleting custom post type.
It works, but this code...
global $wpdb;
$wpdb->query(
$wpdb->prepare(
"DELETE a,b,c FROM wp_posts a
...
- 623
0
votes
1
answer
142
views
Can my hooked uninstall class function access a global var declared in main plugin file?
My current setup is as follows...
In the main plugin file, these two hooks are set (not inside any class):
register_activation_hook(__FILE__, array('DG_Setup', 'activation'));
...
- 897
1
vote
0
answers
351
views
Custom message on plugin uninstall
I'm writing a small wordpress plugin that creates some custom files, but I'm wondering if there is a way to show a quick "reminder" pop-up or message when a user deactivates the plugin.
I just want ...
- 113
4
votes
5
answers
5k
views
Remove settings if theme is deleted?
Is it possible to perform an action only if the theme is deleted (not deactivated) from the theme directory ?
For example, I want to remove the theme settings from database after the theme is removed....
- 151
6
votes
4
answers
4k
views
How to delete custom taxonomy terms in plugin's uninstall.php?
I am writing my plugin's uninstall.php file and would like it to delete any terms that were created in the plugin's custom taxonomy.
In the plugin's uninstall.php file I am using this:
// Delete all ...
- 415
1
vote
1
answer
7k
views
How to check what plugins used to be on a WordPress installation?
It's easy to see what plugins are currently disabled through /wp-admin — but how could I see what plugins used to be on an installation of WordPress and were deleted?
- 113
3
votes
1
answer
721
views
How does uninstalling WordPress plugins work?
I'm trying to drop a database table when the user uninstalls the plugin. But what does uninstalling a WordPress plugin really mean?
There's the deactivation hook and there's also the uninstall hook. ...
- 425
1
vote
1
answer
352
views
Query users by capability - uninstall/deactivate callback
The situation
Running on MU, I'm writing an open source/publically and freely available plugin. As I used add_screen_option() to allow users to easily setup the admin page to their likings, I'm left ...
- 50.8k
1
vote
1
answer
2k
views
uninstall.php file in Plugin to clean DB
I am aware that WordPress provides Plugins a nice way to clean up the db if the Plugin is deleted by providing the uninstall.php hook. You just have to place the cleaning code and it works.
But my ...
- 809
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1
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73
views
I am trying to install a site that a larger organization sent me, where do I start? [closed]
I have the zip file with everything in it, but there's just not a simple way to "run"? What all do I need? Do I need my own server or should they have their own?
- 1
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votes
2
answers
308
views
Remove .htaccess portion upon plugin deactivation?
I have a plugin that inserts some rewrite rule in the .htaccess file. However, upon deactivating it, doesn't remove said rule. The rule is nested in # BEGIN My plugin and # END My plugin.
I want to ...
- 1,824
0
votes
1
answer
369
views
How to remove links generated by SEO-smart-links?
I tried seo-smart-links plugin and it linked all my posts to tags/categories and other posts. This looks stuffing and spamming to me so I uninstalled this plugin. Now the links are still there but the ...
- 195
0
votes
1
answer
775
views
How to remove plugin-specific custom taxonomy terms when plugin is uninstalled?
I'm trying to write a class that would allow for easy removal of all plugin-related data when the plugin is uninstalled. Specifically, I want it to remove plugin options, custom post type entries, and ...
- 133
6
votes
3
answers
2k
views
Popup asking whether data should be removed on plugin uninstall
I have a plugin which creates some options in wp_options, but also creates custom post types and is used to populate that post type. Upon install it makes sense to remove the data in wp_options, but ...
- 4,044
3
votes
2
answers
10k
views
Plugin could not be deleted due to an error: Could not fully remove the plugin(s) my-plugin/my-plugin.php
Why uninstalling the following (empty) plugin results in error?
Here is my-plugin/my-plugin.php:
<?php
/*
Plugin Name: My Plugin
*/
and my-plugin/uninstall.php:
<?php
When I click 'Delete' ...
- 317
6
votes
4
answers
6k
views
Best practice way to delete user meta data during plugin uninstall?
If a plugin stores data in the usermeta tables what is the best practice method to delete these entries for all users in uninstall.php? I could access the database directly but is there another way?
- 195
1
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1
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229
views
Does plugin's uninstall.php file have access to the plugin 's object?
I read on the codex that the best way to implement a clean uninstallation functionality to a plugin is by adding a uninstall.php file inside your plugin directory.
I'm wondering: can i use my plugin'...
- 2,877
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votes
1
answer
50
views
Can plugin2 uninstall plugin1 at the very beginning of plugin2's installation?
As per the title. I have a new version of a plugin. It installs fine on a clean WordPress. When a user tries to install it when they have a previous version installed, the plugin does not function. ...
- 113
1
vote
1
answer
3k
views
Deleting Custom Posts & Meta Data on Uninstall
My uninstall.php file won't delete my custom posts and the meta data related to them on uninstall. The plugin files get deleted, but nothing from the database.
If anyone is able to have a look at ...
- 153
2
votes
1
answer
263
views
Downgrading a WP3.3.1 Network Install
Good Morning--
Today I need to downgrade a site from a WP network install to a normal WP install. I thought this would be simple -- just removing these lines from wp-config.php:
define( '...
- 21
3
votes
2
answers
2k
views
Is it appropriate to remove custom posts and terms on plugin uninstall?
This is more of a "best practices" than a question, but I was wondering, what to people typically remove when their plugin is removed? I have a plugin that does the following:
registers custom post ...
- 41
2
votes
1
answer
1k
views
Plugin Uninstall and Deactivate via Options Menu
I'm creating my first plugin (modifying an existing one for what I need) and although it's working fine i am trying to create a simple options menu to allow either deactivation of the plugin, or ...
- 152
110
votes
2
answers
62k
views
Uninstall, Activate, Deactivate a plugin: typical features & how-to
I'm making a WordPress plugin. What are typical things I should include in the uninstall feature?
For example, should I delete any tables I created in the install function?
Do I clean up my option ...
- 2,499
4
votes
2
answers
13k
views
How can I delete options with register_uninstall_hook?
Right now, I have this code:
function mr_np_activate(){
// hook uninstall
if ( function_exists('register_uninstall_hook') )
register_uninstall_hook(__FILE__,'mr_np_uninstall');
...
- 143
0
votes
1
answer
245
views
Uninstalling IntenseDebate
I have been using the IntenseDebate Comments plugin, but am unhappy with it and would like to uninstall. Supposedly due to the data synchronization feature, it shouldn't be a problem to just disable ...
- 128