function create_compiled_config($cache_filename)
{
/**
* defines $keys with descriptors
* @var array $keys config keys
*/
include W3TC_LIB_W3_DIR . '/ConfigKeys.php';
$compiled_config = new W3_ConfigData($keys);
$compiled_config->set_defaults();
// collect config data from master config
if (!$compiled_config->read($this->_get_config_filename(true))) {
// try to read production master config
$success = false;
if ($this->_preview) {
$success = $compiled_config->read($this->_get_config_filename(true, false));
}
// try to read legacy master config
if (!$success) {
$data = $this->get_imported_legacy_config_keys(true);
if (!is_null($data)) {
foreach ($data as $key => $value) {
$compiled_config->set($key, $value);
}
}
}
}
$this->_put_instance_value_in_config($compiled_config);
// append data from blog config
$config_admin = w3_instance('W3_ConfigAdmin');
$data = W3_ConfigData::get_array_from_file($this->_get_config_filename());
if (is_null($data)) {
$data = $this->get_imported_legacy_config_keys();
}
if (!is_null($data)) {
foreach ($data as $key => $value) {
if (!$this->_key_sealed($key, $compiled_config->data, $config_admin, $value)) {
$compiled_config->set($key, $value);
}
}
}
// save the value for 'home' in the config
$this->_put_home_value_in_config($compiled_config->data);
// save the bad_behavior path in config if plugin exists
$this->_put_bad_behavior_in_config($compiled_config->data);
$this->_post_process_values($compiled_config);
// write cache
try {
$compiled_config->write($cache_filename);
} catch (Exception $ex) {
// dont care here about file permissions
}
$this->flush_apc($cache_filename, true);
return $compiled_config->data;
}
