private function displayCurrentUpdate()
{
$update = $this->updateChecker->getUpdate();
if ($update !== null) {
echo '<h3>An Update Is Available</h3>';
echo '<table class="puc-debug-data">';
$fields = array('version', 'download_url', 'slug', 'homepage', 'upgrade_notice');
foreach ($fields as $field) {
$this->row(ucwords(str_replace('_', ' ', $field)), htmlentities($update->{$field}));
}
echo '</table>';
} else {
echo '<h3>No updates currently available</h3>';
}
}
/**
* Calculate the actual check period based on the current status and environment.
*
* @return int Check period in seconds.
*/
protected function getEffectiveCheckPeriod()
{
$currentFilter = current_filter();
if (in_array($currentFilter, array('load-update-core.php', 'upgrader_process_complete'))) {
//Check more often when the user visits "Dashboard -> Updates" or does a bulk update.
$period = 60;
} else {
if (in_array($currentFilter, array('load-plugins.php', 'load-update.php'))) {
//Also check more often on the "Plugins" page and /wp-admin/update.php.
$period = 3600;
} else {
if ($this->throttleRedundantChecks && $this->updateChecker->getUpdate() !== null) {
//Check less frequently if it's already known that an update is available.
$period = $this->throttledCheckPeriod * 3600;
} else {
if (defined('DOING_CRON') && constant('DOING_CRON')) {
//WordPress cron schedules are not exact, so lets do an update check even
//if slightly less than $checkPeriod hours have elapsed since the last check.
$cronFuzziness = 20 * 60;
$period = $this->checkPeriod * 3600 - $cronFuzziness;
} else {
$period = $this->checkPeriod * 3600;
}
}
}
}
return $period;
}