Files: wp-admin/includes/plugin.php

Validates the plugin requirements for WordPress version and PHP version.

Validate active plugins

Remove directory and files of a plugin for a list of plugins.

Activate multiple plugins.

Deactivate a single plugin or multiple plugins.

Attempts activation of plugin in a “sandbox” and redirects on success.

Checks for “Network: true” in the plugin header to see if this should be activated only as a network wide plugin. The plugin would also work when Multisite is not enabled.

Determines whether the plugin is active for the entire network.

Determines whether the plugin is inactive.

Determines whether a plugin is active.

Returns drop-ins that WordPress uses.

Check the wp-content directory and retrieve all drop-ins with any plugin data.

Callback to sort array by a ‘Name’ key.

Check the mu-plugins directory and retrieve all mu-plugin files with any plugin data.

Check the plugins directory and retrieve all plugin files with plugin data.