public static function get_alerts() {

		static $alert_list;

		if ( ! isset( $alert_list ) ) {
			$alert_list = apply_filters( 'pum_alert_list', array() );
		}

		$alerts = array();

		foreach ( $alert_list as $alert ) {

			// Ignore dismissed alerts.
			if ( self::has_dismissed_alert( $alert['code'] ) ) {
				continue;
			}

			$alerts[] = wp_parse_args( $alert, array(
				'code'        => 'default',
				'priority'    => 10,
				'message'     => '',
				'type'        => 'info',
				'html'        => '',
				'dismissible' => true,
				'global'      => false,
			) );

		}

		// Sort alerts by priority, highest to lowest.
		$alerts = PUM_Utils_Array::sort( $alerts, 'priority', true );

		return $alerts;
	}