Uninstall, Activate, Deactivate a plugin: typical features & how-to
There are three different hooks. They trigger in the following cases: Uninstall Deactivation Activation How-to trigger functions safely during the scenarios The following shows the right ways to safely hook callback functions that get triggered during the mentioned actions. As you could use this code in a plugin that uses plain functions, a class or an external class, I'll show three different dem
Developing for WordPress? Keep your shit secure
If you are developing WordPress plugins (or themes) for distribution via WordPress.org, or for client projects, it should be a no-brainer that writing insecure code can lead to severe consequences. Having your plugin pulled from the repository, seeing a loss in respect and end-user confidence, or even worse, seeing users fall victim to easily preventable attacks are all possibilities if plugin sec
Determining Plugin and Content Directories « WordPress Codex
Interested in functions, hooks, classes, or methods? Check out the new WordPress Code Reference! When coding WordPress plugins you often need to reference various files and folders throughout the WordPress installation and within your plugin or theme. WordPress provides several functions for easily determining where a given file or directory lives. Always use these functions in your plugins instea
Creating Options Pages « WordPress Codex
Interested in functions, hooks, classes, or methods? Check out the new WordPress Code Reference! Languages: English • Options Pages 日本語 Русский • 中文(简体) • 中文(繁體) • (Add your language) This article is in transition to meet Settings API, which was introduced in Version 2.7. For information prior to 2.7 see this revision. Introduction Creating custom options panels in WordPress is relatively easy. Fi
manage_posts_custom_column – Hook | Developer.WordPress.org
Fires in each custom column in the Posts list table. Description This hook only fires if the current post type is non-hierarchical, such as posts. Parameters $column_namestring More Information Combined with the manage_{$post_type}_posts_columns filter, this allows you to add or remove (unset) custom columns to the list post/page/custom post type pages (which automatically appear in Screen Options
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register_deactivation_hook() – Function | Developer.WordPress.org
manage_posts_columns – Hook | Developer.WordPress.org
manage_pages_columns – Hook | Developer.WordPress.org