pmpro-allow-access-for-admins-for-set-levels.php

<?php
/**
 * Allow admins to access posts for specific membership 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 pmpro_allow_access_for_admins_for_set_levels( $hasaccess, $post, $user, $post_membership_levels ) {

	// Set the admin membership levels here.
	$admin_levels = array( 1, 5, 7 ); // Add the level IDs that should have access here.

	// Skip if the user already has access.
	if ( $hasaccess ) {
		return $hasaccess;
	}

	// Get level IDs.
	$post_membership_levels_ids = array_map( 'intval', wp_list_pluck( $post_membership_levels, 'id' ) ); 

	// Allow access if user is an admin and post level matches set admin levels.
	if ( current_user_can( 'manage_options' ) && ! empty( $post_membership_levels_ids ) && array_intersect( $admin_levels, $post_membership_levels_ids ) ) {
		$hasaccess = true;
	}

	return $hasaccess;
}
add_filter( 'pmpro_has_membership_access_filter', 'pmpro_allow_access_for_admins_for_set_levels', 30, 4 );