Unprotect MemberPress posts if they have a certain category

mepr-unprotect-by-category.php

<?php
// This code can be pasted into a plugin like Code Snippets or My Custom Functions or
// pasted into a child-theme's functions.php file

// You might have a Rule protecting all posts, but want posts with a certain category
// to be unprotected.

// You can do that with the code below.

// EDIT: You will need to edit the category_slug_here part is all.
// change category_slug_here to the slug of the category you want UnProtected.
function mepr_override_protection($protect, $post) {
  if(has_category('category_slug_here', $post)) { $protect = false; }
  return $protect;
}

function mepr_override_content_protection($protect, $post, $uri) {
  return mepr_override_protection($protect, $post);
}

function mepr_override_redirection_protection($protect, $uri, $delim) {
  global $post; //$post - may not be availble here if not using "template_redirect" as the redirect action in MemberPress Options
  if(!isset($post) || !($post instanceof WP_Post)) { return $protect; }
  return mepr_override_protection($protect, $post);
}

add_filter('mepr-pre-run-rule-content', 'mepr_override_content_protection', 11, 3);
add_filter('mepr-pre-run-rule-redirection', 'mepr_override_redirection_protection', 11, 3);