WP User Manager - Change the content restriction logic for users AND groups to users OR groups

wpum_content_restriction_by_users_or_groups.php

<?php


add_filter( 'wpumcr_pre_post_restriction', function ( $is_restricted, $post ) {
	$posts = array( 684, 685 ); // CHANGE THIS to the posts you want to restrict with the OR logic
  
  if ( ! in_array( $post->ID, $posts ) ) {
		return $is_restricted;
	}

	$user_logged_in = is_user_logged_in();
	if ( ! $user_logged_in ) {
		return true;
	}

	$user_logged_in = is_user_logged_in();
	if ( $user_logged_in && current_user_can( 'administrator' ) ) {
		return false;
	}

	$restriction_setting = get_post_meta( $post->ID, '_wpumcr_restrict_access_post', true );

	if ( empty( $restriction_setting ) || 'yes' !== $restriction_setting ) {
		return false;
	}

	$user_id = get_current_user_id();

	$allowed_users = wpumcr_get_complex_post_meta( $post->ID, 'wpumcr_assigned_users' );

	if ( ! empty( $allowed_users ) ) {
		if ( in_array( $user_id, $allowed_users ) ) {
			return false; // User is in one of the allowed users, don't restrict the post
		}
	}

	$allowed_groups = wpumcr_get_complex_post_meta( $post->ID, 'wpum_groups' );

	foreach ( $allowed_groups as $allowed_group ) {
		if ( wpumgrp_is_user_group_member( $allowed_group, $user_id ) ) {
			return false; // User is in one of the allowed groups, don't restrict the post
		}
	}

	return true;
}, 10, 2 );

Save this file to your /wp-content/mu-plugins/ directory (you might need to create the mu-plugins directory).