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is_network_only_plugin › WordPress Function

Since3.0.0
Deprecatedn/a
› is_network_only_plugin ( $plugin )
Parameters:
  • (string) $plugin Path to the plugin file. Accepts a path relative to the plugins directory, or an absolute path, with or without surrounding whitespace.
    Required: Yes
Returns:
  • (bool) True if plugin is network only, false otherwise.
Defined at:
Codex:
Change Log:
  • 7.1.1

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.

Checks for "Site Wide Only: true" for backward compatibility.


Related Functions: is_network_admin, add_network_option, get_network_option, wp_get_active_network_plugins, delete_network_option

Source 

function is_network_only_plugin( $plugin ) {
	// Normalize the path the same way activate_plugin() does, so both agree on the file.
	$plugin = plugin_basename( trim( $plugin ) );

	$plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
	if ( $plugin_data ) {
		return $plugin_data['Network'];
	}
	return false;
}