<?php

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/**

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* The plugin logging class.

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*/

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namespace LiteSpeed;

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defined('WPINC') || exit();

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class Debug2 extends Root

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{

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private static $log_path;

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private static $log_path_prefix;

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private static $_prefix;

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const TYPE_CLEAR_LOG = 'clear_log';

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const TYPE_BETA_TEST = 'beta_test';

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const BETA_TEST_URL = 'beta_test_url';

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const BETA_TEST_URL_WP = 'https://downloads.wordpress.org/plugin/litespeed-cache.zip';

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/**

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* Log class Confructor

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*

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* NOTE: in this process, until last step ( define const LSCWP_LOG = true ), any usage to WP filter will not be logged to prevent infinite loop with log_filters()

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*

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* @since 1.1.2

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* @access public

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*/

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public function __construct()

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{

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self::$log_path_prefix = defined('LSCWP_DEBUG_PATH') ? LSCWP_DEBUG_PATH : LSCWP_CONTENT_DIR;

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self::$log_path = self::$log_path_prefix . '/debug.log';

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if (!empty($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'], 'lscache_') === 0) {

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self::$log_path = self::$log_path_prefix . '/crawler.log';

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}

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!defined('LSCWP_LOG_TAG') && define('LSCWP_LOG_TAG', get_current_blog_id());

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if ($this->conf(Base::O_DEBUG_LEVEL)) {

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!defined('LSCWP_LOG_MORE') && define('LSCWP_LOG_MORE', true);

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}

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defined('LSCWP_DEBUG_EXC_STRINGS') || define('LSCWP_DEBUG_EXC_STRINGS', $this->conf(Base::O_DEBUG_EXC_STRINGS));

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}

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/**

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* End call of one request process

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* @since 4.7

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* @access public

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*/

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public static function ended()

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{

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self::debug('Response headers', headers_list());

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$elapsed_time = number_format((microtime(true) - LSCWP_TS_0) * 1000, 2);

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self::debug("End response\n--------------------------------------------------Duration: " . $elapsed_time . " ms------------------------------\n");

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}

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/**

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* Beta test upgrade

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*

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* @since 2.9.5

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* @access public

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*/

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public function beta_test($zip = false)

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{

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if (!$zip) {

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if (empty($_REQUEST[self::BETA_TEST_URL])) {

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return;

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}

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$zip = $_REQUEST[self::BETA_TEST_URL];

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if ($zip !== Debug2::BETA_TEST_URL_WP) {

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if ($zip === 'latest') {

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$zip = Debug2::BETA_TEST_URL_WP;

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} else {

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// Generate zip url

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$zip = $this->_package_zip($zip);

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}

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}

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}

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if (!$zip) {

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Debug2::debug('[Debug2] ❌ No ZIP file');

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return;

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}

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Debug2::debug('[Debug2] ZIP file ' . $zip);

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$update_plugins = get_site_transient('update_plugins');

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if (!is_object($update_plugins)) {

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$update_plugins = new \stdClass();

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}

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$plugin_info = new \stdClass();

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$plugin_info->new_version = Core::VER;

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$plugin_info->slug = Core::PLUGIN_NAME;

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$plugin_info->plugin = Core::PLUGIN_FILE;

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$plugin_info->package = $zip;

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$plugin_info->url = 'https://wordpress.org/plugins/litespeed-cache/';

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$update_plugins->response[Core::PLUGIN_FILE] = $plugin_info;

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set_site_transient('update_plugins', $update_plugins);

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// Run upgrade

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Activation::cls()->upgrade();

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}

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/**

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* Git package refresh

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*

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* @since 2.9.5

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* @access private

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*/

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private function _package_zip($commit)

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{

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$data = array(

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'commit' => $commit,

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);

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$res = Cloud::get(Cloud::API_BETA_TEST, $data);

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if (empty($res['zip'])) {

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return false;

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}

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return $res['zip'];

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}

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/**

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* Log Purge headers separately

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*

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* @since 2.7

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* @access public

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*/

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public static function log_purge($purge_header)

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{

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// Check if debug is ON

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if (!defined('LSCWP_LOG') && !defined('LSCWP_LOG_BYPASS_NOTADMIN')) {

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return;

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}

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$purge_file = self::$log_path_prefix . '/debug.purge.log';

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self::cls()->_init_request($purge_file);

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$msg = $purge_header . self::_backtrace_info(6);

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File::append($purge_file, self::format_message($msg));

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}

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/**

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* Enable debug log

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*

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* @since 1.1.0

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* @access public

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*/

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public function init()

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{

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$debug = $this->conf(Base::O_DEBUG);

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if ($debug == Base::VAL_ON2) {

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if (!$this->cls('Router')->is_admin_ip()) {

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defined('LSCWP_LOG_BYPASS_NOTADMIN') || define('LSCWP_LOG_BYPASS_NOTADMIN', true);

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return;

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}

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}

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/**

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* Check if hit URI includes/excludes

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* This is after LSCWP_LOG_BYPASS_NOTADMIN to make `log_purge()` still work

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* @since 3.0

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*/

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$list = $this->conf(Base::O_DEBUG_INC);

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if ($list) {

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$result = Utility::str_hit_array($_SERVER['REQUEST_URI'], $list);

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if (!$result) {

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return;

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}

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}

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$list = $this->conf(Base::O_DEBUG_EXC);

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if ($list) {

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$result = Utility::str_hit_array($_SERVER['REQUEST_URI'], $list);

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if ($result) {

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return;

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}

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}

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if (!defined('LSCWP_LOG')) {

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// If not initialized, do it now

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$this->_init_request();

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define('LSCWP_LOG', true);

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}

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}

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/**

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* Create the initial log messages with the request parameters.

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*

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* @since 1.0.12

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* @access private

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*/

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private function _init_request($log_file = null)

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{

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if (!$log_file) {

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$log_file = self::$log_path;

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}

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// Check log file size

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$log_file_size = $this->conf(Base::O_DEBUG_FILESIZE);

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if (file_exists($log_file) && filesize($log_file) > $log_file_size * 1000000) {

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File::save($log_file, '');

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}

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// For more than 2s's requests, add more break

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if (file_exists($log_file) && time() - filemtime($log_file) > 2) {

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File::append($log_file, "\n\n\n\n");

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}

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if (PHP_SAPI == 'cli') {

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return;

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}

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$servervars = array(

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'Query String' => '',

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'HTTP_ACCEPT' => '',

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'HTTP_USER_AGENT' => '',

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'HTTP_ACCEPT_ENCODING' => '',

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'HTTP_COOKIE' => '',

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'REQUEST_METHOD' => '',

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'SERVER_PROTOCOL' => '',

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'X-LSCACHE' => '',

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'LSCACHE_VARY_COOKIE' => '',

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'LSCACHE_VARY_VALUE' => '',

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'ESI_CONTENT_TYPE' => '',

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);

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$server = array_merge($servervars, $_SERVER);

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$params = array();

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if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') {

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$server['SERVER_PROTOCOL'] .= ' (HTTPS) ';

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}

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$param = sprintf('💓 ------%s %s %s', $server['REQUEST_METHOD'], $server['SERVER_PROTOCOL'], strtok($server['REQUEST_URI'], '?'));

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$qs = !empty($server['QUERY_STRING']) ? $server['QUERY_STRING'] : '';

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if ($this->conf(Base::O_DEBUG_COLLAPSE_QS)) {

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$qs = $this->_omit_long_message($qs);

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if ($qs) {

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$param .= ' ? ' . $qs;

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}

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$params[] = $param;

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} else {

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$params[] = $param;

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$params[] = 'Query String: ' . $qs;

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}

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if (!empty($_SERVER['HTTP_REFERER'])) {

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$params[] = 'HTTP_REFERER: ' . $this->_omit_long_message($server['HTTP_REFERER']);

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}

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if (defined('LSCWP_LOG_MORE')) {

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$params[] = 'User Agent: ' . $this->_omit_long_message($server['HTTP_USER_AGENT']);

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$params[] = 'Accept: ' . $server['HTTP_ACCEPT'];

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$params[] = 'Accept Encoding: ' . $server['HTTP_ACCEPT_ENCODING'];

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}

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if ($this->conf(Base::O_DEBUG_COOKIE)) {

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$params[] = 'Cookie: ' . $server['HTTP_COOKIE'];

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}

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if (isset($_COOKIE['_lscache_vary'])) {

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$params[] = 'Cookie _lscache_vary: ' . $_COOKIE['_lscache_vary'];

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}

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if (defined('LSCWP_LOG_MORE')) {

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$params[] = 'X-LSCACHE: ' . (!empty($server['X-LSCACHE']) ? 'true' : 'false');

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}

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if ($server['LSCACHE_VARY_COOKIE']) {

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$params[] = 'LSCACHE_VARY_COOKIE: ' . $server['LSCACHE_VARY_COOKIE'];

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}

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if ($server['LSCACHE_VARY_VALUE']) {

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$params[] = 'LSCACHE_VARY_VALUE: ' . $server['LSCACHE_VARY_VALUE'];

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}

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if ($server['ESI_CONTENT_TYPE']) {

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$params[] = 'ESI_CONTENT_TYPE: ' . $server['ESI_CONTENT_TYPE'];

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}

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$request = array_map(__CLASS__ . '::format_message', $params);

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File::append($log_file, $request);

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}

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/**

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* Trim long msg to keep log neat

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* @since 6.3

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*/

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private function _omit_long_message($msg)

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{

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if (strlen($msg) > 53) {

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$msg = substr($msg, 0, 53) . '...';

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}

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return $msg;

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}

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[303] Fix | Delete

/**

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* Formats the log message with a consistent prefix.

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*

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* @since 1.0.12

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* @access private

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* @param string $msg The log message to write.

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* @return string The formatted log message.

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*/

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private static function format_message($msg)

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{

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// If call here without calling get_enabled() first, improve compatibility

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if (!defined('LSCWP_LOG_TAG')) {

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return $msg . "\n";

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}

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if (!isset(self::$_prefix)) {

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// address

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if (PHP_SAPI == 'cli') {

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$addr = '=CLI=';

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if (isset($_SERVER['USER'])) {

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$addr .= $_SERVER['USER'];

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} elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {

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$addr .= $_SERVER['HTTP_X_FORWARDED_FOR'];

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}

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} else {

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$addr = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '';

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$port = isset($_SERVER['REMOTE_PORT']) ? $_SERVER['REMOTE_PORT'] : '';

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$addr = "$addr:$port";

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}

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// Generate a unique string per request

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self::$_prefix = sprintf(' [%s %s %s] ', $addr, LSCWP_LOG_TAG, Str::rrand(3));

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}

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list($usec, $sec) = explode(' ', microtime());

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return date('m/d/y H:i:s', $sec + LITESPEED_TIME_OFFSET) . substr($usec, 1, 4) . self::$_prefix . $msg . "\n";

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}

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[340] Fix | Delete

/**

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* Direct call to log a debug message.

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*

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* @since 1.1.3

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* @access public

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*/

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public static function debug($msg, $backtrace_limit = false)

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{

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if (!defined('LSCWP_LOG')) {

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return;

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}

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if (defined('LSCWP_DEBUG_EXC_STRINGS') && Utility::str_hit_array($msg, LSCWP_DEBUG_EXC_STRINGS)) {

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return;

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}

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[356] Fix | Delete

if ($backtrace_limit !== false) {

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if (!is_numeric($backtrace_limit)) {

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$backtrace_limit = self::trim_longtext($backtrace_limit);

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if (is_array($backtrace_limit) && count($backtrace_limit) == 1 && !empty($backtrace_limit[0])) {

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$msg .= ' --- ' . $backtrace_limit[0];

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} else {

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$msg .= ' --- ' . var_export($backtrace_limit, true);

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}

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self::push($msg);

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return;

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}

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self::push($msg, $backtrace_limit + 1);

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return;

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}

[371] Fix | Delete

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self::push($msg);

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}

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[375] Fix | Delete

/**

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* Trim long string before array dump

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* @since 3.3

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*/

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public static function trim_longtext($backtrace_limit)

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{

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if (is_array($backtrace_limit)) {

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$backtrace_limit = array_map(__CLASS__ . '::trim_longtext', $backtrace_limit);

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}

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if (is_string($backtrace_limit) && strlen($backtrace_limit) > 500) {

[385] Fix | Delete

$backtrace_limit = substr($backtrace_limit, 0, 1000) . '...';

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}

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return $backtrace_limit;

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}

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[390] Fix | Delete

/**

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* Direct call to log an advanced debug message.

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*

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* @since 1.2.0

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* @access public

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*/

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public static function debug2($msg, $backtrace_limit = false)

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{

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if (!defined('LSCWP_LOG_MORE')) {

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return;

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}

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self::debug($msg, $backtrace_limit);

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}

[403] Fix | Delete

[404] Fix | Delete

/**

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* Logs a debug message.

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*

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* @since 1.1.0

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* @access private

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* @param string $msg The debug message.

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* @param int $backtrace_limit Backtrace depth.

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*/

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private static function push($msg, $backtrace_limit = false)

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{

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// backtrace handler

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if (defined('LSCWP_LOG_MORE') && $backtrace_limit !== false) {

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$msg .= self::_backtrace_info($backtrace_limit);

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}

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File::append(self::$log_path, self::format_message($msg));

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}

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[422] Fix | Delete

/**

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* Backtrace info

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*

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* @since 2.7

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*/

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private static function _backtrace_info($backtrace_limit)

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{

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$msg = '';

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$trace = version_compare(PHP_VERSION, '5.4.0', '<') ? debug_backtrace() : debug_backtrace(false, $backtrace_limit + 3);

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for ($i = 2; $i <= $backtrace_limit + 2; $i++) {

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// 0st => _backtrace_info(), 1st => push()

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if (empty($trace[$i]['class'])) {

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if (empty($trace[$i]['file'])) {

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break;

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}

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$log = "\n" . $trace[$i]['file'];

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} else {

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if ($trace[$i]['class'] == __CLASS__) {

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continue;

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}

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$args = '';

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if (!empty($trace[$i]['args'])) {

[446] Fix | Delete

foreach ($trace[$i]['args'] as $v) {

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if (is_array($v)) {

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$v = 'ARRAY';

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}

[450] Fix | Delete

if (is_string($v) || is_numeric($v)) {

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$args .= $v . ',';

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}

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}

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[455] Fix | Delete

$args = substr($args, 0, strlen($args) > 100 ? 100 : -1);

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}

[457] Fix | Delete

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$log = str_replace('Core', 'LSC', $trace[$i]['class']) . $trace[$i]['type'] . $trace[$i]['function'] . '(' . $args . ')';

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}

[460] Fix | Delete

if (!empty($trace[$i - 1]['line'])) {

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$log .= '@' . $trace[$i - 1]['line'];

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}

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$msg .= " => $log";

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}

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return $msg;

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}

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[469] Fix | Delete

/**

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* Clear log file

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*

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* @since 1.6.6

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* @access private

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*/

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private function _clear_log()

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{

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$logs = array('debug', 'debug.purge', 'crawler');

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foreach ($logs as $log) {

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File::save(self::$log_path_prefix . "/{$log}.log", '');

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}

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}

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/**

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* Handle all request actions from main cls

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*

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* @since 1.6.6

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* @access public

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*/

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public function handler()

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{

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$type = Router::verify_type();

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switch ($type) {

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case self::TYPE_CLEAR_LOG:

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$this->_clear_log();

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break;

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case self::TYPE_BETA_TEST:

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