is_plugin_active_for_network

Check whether the plugin is active for the entire network.

Description

is_plugin_active_for_network( (string) $plugin );

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 (1)

0. $plugin (string): Base plugin path from plugins directory.

Usage

if ( !function_exists( 'is_plugin_active_for_network' ) ) { 
    require_once ABSPATH . '/wp-admin/includes/plugin.php'; 
} 
  
// Base plugin path from plugins directory. 
$plugin = ''; 
  
// NOTICE! Understand what this does before running. 
$result = is_plugin_active_for_network($plugin);

Defined (1)

The function is defined in the following location(s).

/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; 
}