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@swalkinshaw
Created May 14, 2012 18:25
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WordPress: Mandatory Excerpt
<?
function mandatory_excerpt($data) {
$excerpt = $data['post_excerpt'];
if (empty($excerpt)) {
if ($data['post_status'] === 'publish') {
add_filter('redirect_post_location', 'excerpt_error_message_redirect', '99');
}
$data['post_status'] = 'draft';
}
return $data;
}
add_filter('wp_insert_post_data', 'mandatory_excerpt');
function excerpt_error_message_redirect($location) {
remove_filter('redirect_post_location', __FILTER__, '99');
return add_query_arg('excerpt_required', 1, $location);
}
function excerpt_admin_notice() {
if (!isset($_GET['excerpt_required'])) return;
switch (absint($_GET['excerpt_required'])) {
case 1:
$message = 'Excerpt is required to publish a post.';
break;
default:
$message = 'Unexpected error';
}
echo '<div id="notice" class="error"><p>' . $message . '</p></div>';
}
add_action('admin_notices', 'excerpt_admin_notice');
@marianssen
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The code works as expected on posts, but there is an issue with menu. Somehow, after updating a menu, the menu items get marked as pending. Removing your code fixed the issue.

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