Ensure Paid Memberships Pro compatibility when using the Elementor Page Builder.

elementor_compatibility_for_pmpro.php

<?php
/**
 * Ensure Paid Memberships Pro compatibility when using the Elementor Page Builder: 
 * https://wordpress.org/plugins/elementor/
 *
 * You must also set a Custom Field on the Membership Checkout page with the key
 * 'pmpro_default_level' and value of a level ID in order to properly design your 
 * Membership Checkout page using Elementor. 
 */
function elementor_compatibility_for_pmpro() {
 	// Remove the default the_content filter added to membership level descriptions and confirmation messages in PMPro.
	remove_filter( 'the_content', 'pmpro_level_description' );
	remove_filter( 'pmpro_level_description', 'pmpro_pmpro_level_description' );
	remove_filter( 'the_content', 'pmpro_confirmation_message' );
	remove_filter( 'pmpro_confirmation_message', 'pmpro_pmpro_level_description' );
}
add_action( 'init', 'elementor_compatibility_for_pmpro' );