is_plugin_active_for_network( string $plugin )

Check whether the plugin is active for the entire network.

Contents

Description Description

Only plugins installed in the plugins/ folder can be active.

Plugins in the mu-plugins/ folder can’t be "activated," so this function will return false for those plugins.

Parameters Parameters

$plugin

(string) (Required) Path to the main plugin file from plugins directory.

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Return Return

(bool) True, if active for the network, otherwise false.

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Source Source

File: wp-admin/includes/plugin.php 

function is_plugin_active_for_network( $plugin ) {
	if ( !is_multisite() )
		return false;

	$plugins = get_site_option( 'active_sitewide_plugins');
	if ( isset($plugins[$plugin]) )
		return true;

	return false;
}

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Changelog Changelog

Changelog
Version Description
3.0.0 Introduced.

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Uses Uses

Uses
Uses Description
wp-includes/load.php: is_multisite()

If Multisite is enabled.
wp-includes/option.php: get_site_option()

Retrieve an option value for the current network based on name of option.

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Used By Used By

Used By
Used By Description
wp-admin/includes/class-wp-plugins-list-table.php: WP_Plugins_List_Table::single_row()
wp-admin/includes/class-wp-plugins-list-table.php: WP_Plugins_List_Table::prepare_items()
wp-admin/includes/class-plugin-upgrader-skin.php: Plugin_Upgrader_Skin::__construct()
wp-admin/includes/update.php: wp_plugin_update_row()

Displays update information for a plugin.
wp-admin/includes/plugin.php: is_plugin_active()

Check whether a plugin is active.
wp-admin/includes/plugin.php: deactivate_plugins()

Deactivate a single plugin or multiple plugins.
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User Contributed Notes User Contributed Notes

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    Contributed by Codex —

    Example

    // Makes sure the plugin is defined before trying to use it
if ( ! function_exists( 'is_plugin_active_for_network' ) ) {
    require_once( ABSPATH . '/wp-admin/includes/plugin.php' );
}
 
if ( is_plugin_active_for_network( 'plugin-directory/plugin-file.php' ) ) {
    // Plugin is activated
}

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