Paid Memberships Pro - Hide Discount Code for Level

pmpro-hide-discount-code-for-level.php

<?php
function my_pmpro_hide_discount_code_for_level( $show ) {
	if ( empty( $_REQUEST['level'] ) ) {
		return false;
	}
	if ( 1 === absint( $_REQUEST['level'] ) || 2 === absint( $_REQUEST['level'] ) ) { // 1,2 is the level ID.
		return false;
	}
	return $show;
}
add_filter( 'pmpro_show_discount_code', 'my_pmpro_hide_discount_code_for_level' );