WordPress Version: 6.4
/**
* Displays maintenance nag HTML message.
*
* @since 2.7.0
*
* @global int $upgrading
*
* @return void|false
*/
function maintenance_nag()
{
// Include an unmodified $wp_version.
require ABSPATH . WPINC . '/version.php';
global $upgrading;
$nag = isset($upgrading);
if (!$nag) {
$failed = get_site_option('auto_core_update_failed');
/*
* If an update failed critically, we may have copied over version.php but not other files.
* In that case, if the installation claims we're running the version we attempted, nag.
* This is serious enough to err on the side of nagging.
*
* If we simply failed to update before we tried to copy any files, then assume things are
* OK if they are now running the latest.
*
* This flag is cleared whenever a successful update occurs using Core_Upgrader.
*/
$comparison = (!empty($failed['critical'])) ? '>=' : '>';
if (isset($failed['attempted']) && version_compare($failed['attempted'], $wp_version, $comparison)) {
$nag = true;
}
}
if (!$nag) {
return false;
}
if (current_user_can('update_core')) {
$msg = sprintf(
/* translators: %s: URL to WordPress Updates screen. */
__('An automated WordPress update has failed to complete - <a href="%s">please attempt the update again now</a>.'),
'update-core.php'
);
} else {
$msg = __('An automated WordPress update has failed to complete! Please notify the site administrator.');
}
wp_admin_notice($msg, array('type' => 'warning', 'additional_classes' => array('update-nag', 'inline'), 'paragraph_wrap' => false));
}