mypmpro-hide-discount-field-specific-level.php

/**
 * Hide the discount code field on checkout for specific levels
 *
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 * 
 */
function mypmpro_showhide_discount_code(){

	global $pmpro_show_discount_code;

	if( !empty( $_REQUEST['level'] ) ){

		if( in_array( $_REQUEST['level'] , array( 9, 10 ) ) ){ //Change 9, 10 to different leves
		
			$pmpro_show_discount_code = false;
		
		}
	
	}

}
add_action( 'wp', 'mypmpro_showhide_discount_code' );