You’re actually quite close to answering your own question. Your plugin would have to start with checking whether the plugin is active (which you can also do with function_exists).
The you indeed can use remove_action to make sure functions and classes aren’t activated. This doesn’t mean these functions become undefined.
So yes, you will need to extend the class if you want to customize it. If you don’t define a constructor in that customized class, the parent’s constructor will be use.
Related Posts:
- Simple rich text editor in Text widget?
- How To Determine If A Filter Is Called In A Sidebar/Widget Context?
- How to enable edit button in the theme’s customize UI?
- How can I make my custom shortcode work in a Custom HTML Widget?
- Disable Specific Widgets on Selected Pages of a WordPress Website?
- How do I add a widget programmatically to a newly created site (WPMU) within a plugin?
- WordPress widget / plugin….fields not appearing in my widget
- Can I ignore caching of a plugin in W3 Total Cache? [closed]
- Why is the unrendered widget number `__i__` showing up in the JavaScript but not in the HTML?
- Remove Widgets in Dashboard
- Themes VS Plugins [duplicate]
- Changing widget options via the functions.php when there are no hooks
- How do I register a stylesheet inside a WordPress widget?
- Detect if a plugin was included in a certain page
- How to get popular post from across a network?
- Are there plugins that interfere with the admin part of Rss widget?
- Flickr plugin that will display photos from multiple group pools? [closed]
- I need some direction on how to have a sidebar based on meta rather than page
- How can I reuse the WordPress search form for a custom plugin / widget?
- Multisite Widget/Content
- Passing $this->get_field_name() to javascript
- Ajax gives 400 error
- Missing argument 3 for wp_register_sidebar_widget()
- I have no idea “How change font for elements in widget?”
- Widget for adding HTML markup to a page
- How to save additional user data as part of the registration process?
- Get post values of form created by widget in sidebar
- Archive – same title for the first two posts
- How to add media field to WP_Widget form function?
- changes to widget settings not showing up in individual pages pages until they’re updated [closed]
- How to remove traces from widget during uninstallation
- Calendar Plugins – Featured Widget [closed]
- WordPress plugin subscribe2 not looking the same as before migration
- How to make WordPress customizable for clients
- Setup page on first login on multisite
- Add content to footer – above wp_footer
- Trying to create a table/list of my EventBrite course listings [closed]
- Call plugin with php function
- Sidebar widget: Randomly select text from a given set
- How do I use add_action on custom widget?
- Repeated Output in Widget
- Exclude posts from widget while post is showing on home, single and categories
- WordPress Apply filter in plugin causes 500 internal error
- Widget’s container?
- Add SideBar/Widgets Just Below the Post
- PHP Warning: Declaration of aec_contributor_list::form() should be compatible with WP_Widget::form($instance)
- Creating a widget and missing jQuery
- strange shortcode error: does shortcodes requires any dependency?
- All custom widgets are not showing in widget area at the same time
- Plugin showing error
- WordPress Widget Not Saving Instance
- How to set the default value as the saved value once a form of widget is saved?
- Accessing widget information
- Setting text widget to one page only
- How to add captcha to publish widget
- Listing all sidebars
- jQuery slider widget similar to cnet.com
- Why aren’t my Follow Me links working?
- Creating New Dynamic Fields for a Certificate (Number Generation, Code Referencing, and more)
- Unable to locate inline CSS causing parts of page to be blank
- Widgets are not displaying in the admin panel
- Elementor pro page editing gives error There has been a critical error on this website. Please check your site admin email inbox for instructions
- Can I add Short Code Of A Plugin In The Code Editor of WordPress?
- Adding custom post category to categories widget
- elementor development – custom widget like an inner section widget
- Update widget values from ajax function
- The styles in the recent posts widgets plugin not working
- How to disable a widget area of a specific page?
- One time call to external API in widget
- Change WordPress plugin widget `id_base` without breaking widget
- Co-author plus: list of posts by authors in the sidebar
- Widget display in theme
- Custom content per post in widget
- Using slightly modified widget
- Hook on widget context plugin to add custom context for widget
- How to add styling and script to a custom widget plugin
- How to make wp multisite subdomain exist search
- Customize a widget position
- Custom Widget not Available after Plugin Installation
- Adding link on title its in description but not in title see screenshots attached
- How know the “admin” blog from wordpress multisite?
- twitter widget loads properly in all themes except my own theme?
- How can I retrieve data within my widget
- How to get certain part from widget
- conditional tags for the output of a plugin
- What method should I use for a sidebar widget that reads latest posts?
- Widget redirecting to home page
- Plugin won’t activate, fatal error (widget class not found)
- WordPress plugin not eching popular posts
- pre-upload text and video for the future
- Trying to output a “Most visited blogs” list in wordpress multisite
- Last article Widget with text preview and more button
- Scrolling Ads? Live scrolling widget, not random on refresh
- Can’t edit Contact Us form on front page
- Sidebar Slideshow widget with text [closed]
- Is it possible to control content on different pages by checkboxing wich content is shown where on a wordpress theme page?
- Issue with customizer and widget page
- Footer option is missing in Customiser
- Use custom Javascript for a custom Elementor Widget [closed]
- Why my widget is not visible in the WordPress theme Twenty Twenty-Three