function ModifyCacheSettings($return_config = false)
{
global $context, $scripturl, $txt, $modSettings;
// Define the variables we want to edit.
$config_vars = array(array('select', 'cache_enable', array($txt['cache_off'], $txt['cache_level1'], $txt['cache_level2'], $txt['cache_level3'])), array('text', 'cache_memcached'));
if ($return_config) {
return $config_vars;
}
// Saving again?
if (isset($_GET['save'])) {
saveDBSettings($config_vars);
// We have to manually force the clearing of the cache otherwise the changed settings might not get noticed.
$modSettings['cache_enable'] = 1;
CacheAPI::putCache('modSettings', null, 90);
redirectexit('action=admin;area=serversettings;sa=cache;' . $context['session_var'] . '=' . $context['session_id']);
}
$context['post_url'] = $scripturl . '?action=admin;area=serversettings;sa=cache;save';
$context['settings_title'] = $txt['caching_settings'];
$context['settings_message'] = $txt['caching_information'];
$detected = array();
// Detect an optimizer?
if (function_exists('apc_store')) {
$detected[] = 'APC';
}
if (function_exists('output_cache_put')) {
$detected[] = 'Zend';
}
if (function_exists('memcache_set')) {
$detected[] = 'Memcached';
}
if (class_exists('Memcached')) {
$detected[] = 'new_pecl_memcached';
}
if (function_exists('xcache_set')) {
$detected[] = 'XCache';
}
if (0 == count($detected)) {
$context['settings_message'] = sprintf($context['settings_message'], $txt['detected_no_caching']);
} else {
$msg = '';
foreach ($detected as $available) {
$msg .= $txt['detected_' . $available] . '<br>';
}
$context['settings_message'] = sprintf($context['settings_message'], $msg);
}
$engine = CacheAPI::getEngine();
$context['settings_message'] .= sprintf($txt['current_cache_engine'], $engine);
// Prepare the template.
prepareDBSettingContext($config_vars);
}
