PMPro confirmation URL redirection based on discount code AND membership level

pmpro-confirmation-url-redirect-with-discount-code.php

function my_pmpro_confirmation_url($rurl, $user_id, $pmpro_level)
{
	global $wpdb;
	$code = $wpdb->get_row("SELECT * FROM $wpdb->pmpro_discount_codes WHERE id = $pmpro_level->code_id LIMIT 1");
	
	/*
	Example of $code content:
	object(stdClass) {
  public 'id' => string '7' (length=1)
  public 'code' => string 'SC916E8F9CC' (length=11)
  public 'starts' => string '2019-04-08' (length=10)
  public 'expires' => string '2029-04-08' (length=10)
  public 'uses' => string '100' (length=3)
}
	*/

	if(isset($code)) {

		if($code->code == 'SC916E8F9CC' && pmpro_hasMembershipLevel(1))
			$rurl = "http://example.com/page_1";
		if($code->code == 'X84HJ8F9CC' && pmpro_hasMembershipLevel(2))
			$rurl = "http://example.com/page_2";
		if($code->code == 'JU486E8F9CC' && pmpro_hasMembershipLevel(3))
			$rurl = "http://example.com/page_3";
		}	
	return $rurl;
}

add_filter('pmpro_confirmation_url', 'my_pmpro_confirmation_url', 10, 3);