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Description

Determines whether the plugin is active for the entire network.

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. For more information on this and similar theme functions, check out the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ Conditional Tags} article in the Theme Developer Handbook.

Usage

$bool = is_plugin_active_for_network( $plugin );

Parameters

$plugin

( string ) required – Path to the plugin file relative to the plugins directory.

Returns

bool True if active for the network, otherwise false.

Source

File name: wordpress/wp-admin/includes/plugin.php
Lines:

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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