public static function init() { self::$site_id = EDD_Segment_Settings::get_customerio_site_id(); self::$api_key = EDD_Segment_Settings::get_customerio_api(); // Main Tracker add_action('wp_head', array(__CLASS__, 'add_tracker_code')); // Event tracker script add_action('cio_js_track', array(__CLASS__, 'js_track'), 0, 2); // Action hooks for add-ons, e.g. EDD_Hooks add_action('edd_segment_identify', array(__CLASS__, 'identify'), 10, 2); add_action('edd_segment_track', array(__CLASS__, 'track'), 10, 3); add_action('edd_segment_uid_stored', array(__CLASS__, 'maybe_store_uid')); }