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.

Description

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

Parameters

$pluginstringrequired

Path to the plugin file relative to the plugins directory.

Return

Source

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

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