/**
* Constructor
*
* @param array $config
*/
function __construct($config = array())
{
parent::__construct($config);
if (isset($config['cache_dir'])) {
$this->_cache_dir = trim($config['cache_dir']);
} else {
$this->_cache_dir = w3_cache_blog_dir($config['section'], $config['blog_id']);
}
$this->_exclude = isset($config['exclude']) ? (array) $config['exclude'] : array();
$this->_flush_timelimit = isset($config['flush_timelimit']) ? (int) $config['flush_timelimit'] : 180;
$this->_locking = isset($config['locking']) ? (bool) $config['locking'] : false;
if (isset($config['flush_dir'])) {
$this->_flush_dir = $config['flush_dir'];
} else {
if ($config['blog_id'] <= 0) {
// clear whole section if we operate on master cache
$this->_flush_dir = w3_cache_dir($config['section']);
} else {
$this->_flush_dir = $this->_cache_dir;
}
}
if (isset($config['use_wp_hash']) && $config['use_wp_hash'] && function_exists('wp_hash')) {
$this->_use_wp_hash = true;
}
}
/**
* Return full path to log file for module
* Path used in priority
* 1) W3TC_DEBUG_DIR
* 2) WP_DEBUG_LOG
* 3) W3TC_CACHE_DIR
*
* @param $module
* @param null $blog_id
* @return string
*/
function w3_debug_log($module, $blog_id = null)
{
if (is_null($blog_id)) {
$blog_id = w3_get_blog_id();
}
$postfix = sprintf('%06d', $blog_id);
if (defined('W3TC_BLOG_LEVELS')) {
for ($n = 0; $n < W3TC_BLOG_LEVELS; $n++) {
$postfix = substr($postfix, strlen($postfix) - 1 - $n, 1) . '/' . $postfix;
}
}
$from_dir = W3TC_CACHE_DIR;
if (defined('W3TC_DEBUG_DIR') && W3TC_DEBUG_DIR) {
$dir_path = W3TC_DEBUG_DIR;
if (!is_dir(W3TC_DEBUG_DIR)) {
$from_dir = dirname(W3TC_DEBUG_DIR);
}
} else {
$dir_path = w3_cache_dir('log');
}
$filename = $dir_path . '/' . $postfix . '/' . $module . '.log';
if (!is_dir(dirname($filename))) {
w3_require_once(W3TC_INC_DIR . '/functions/file.php');
w3_mkdir_from(dirname($filename), $from_dir);
}
return $filename;
}
