GIF89a=( õ' 7IAXKgNgYvYx\%wh…hŽth%ˆs%—x¨}9®Œ©€&©‰%¶†(¹–.¹5·œD¹&Çš)ÇŸ5ǘ;Í£*È¡&Õ²)ׯ7×µ<Ñ»4ï°3ø‘HÖ§KͯT÷¨Yÿšqÿ»qÿÔFØ !ù ' !ÿ NETSCAPE2.0 , =( þÀ“pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§gª«ªE¯°¨¬ª±²Œ¹º¹E¾­”´ÂB¶¯ §Åȸ»ÑD¾¿Á•ÄÅ®° ÝH¾ÒLÀÆDÙ«D¶BÝïðÀ¾DÑÑÔTÌÍíH òGö¨A RÎڐ |¥ ٭&ºìE8œ¹kGÔAÞpx­a¶­ã R2XB®åE8I€Õ6Xî:vT)äžþÀq¦è³¥ì仕F~%xñ  4#ZÔ‰O|-4Bs‘X:= QÉ œš lºÒyXJŠGȦ|s hÏíK–3l7·B|¥$'7Jީܪ‰‡àá”Dæn=Pƒ ¤Òëí‰`䌨ljóá¯Éüv>á–Á¼5 ½.69ûϸd«­ºÀûnlv©‹ªîf{¬ÜãPbŸ  l5‘Ž¯pß ´ ˜3aÅùäI«O’ý·‘áÞ‡˜¾Æ‚ÙÏiÇÿ‹Àƒ #öó)pâš Þ½ ‘Ý{ó)vmÞü%D~ 6f s}ŃƒDØW Eþ`‡þ À…L8xá†ç˜{)x`X/> Ì}mø‚–RØ‘*|`D=‚Ø_ ^ð5 !_…'aä“OÚ—7âcð`D”Cx`ÝÂ¥ä‹éY¹—F¼¤¥Š?¡Õ™ n@`} lď’ÄÉ@4>ñd œ à‘vÒxNÃ×™@žd=ˆgsžG±æ ´²æud &p8Qñ)ˆ«lXD©øÜéAžHìySun jª×k*D¤LH] †¦§C™Jä–´Xb~ʪwStŽ6K,°£qÁœ:9ت:¨þªl¨@¡`‚ûÚ ».Û¬¯t‹ÆSÉ[:°=Š‹„‘Nåû”Ìî{¿ÂA ‡Rà›ÀÙ6úë°Ÿð0Ä_ ½;ÃϱîÉì^ÇÛÇ#Ëë¼ôº!±Ä˜íUîÅÇ;0L1óÁµö«p% AÀºU̬ݵ¼á%霼€‡¯Á~`ÏG¯»À× ­²± =4ªnpð3¾¤³¯­ü¾¦îuÙuµÙ®|%2ÊIÿür¦#0·ÔJ``8È@S@5ê¢ ö×Þ^`8EÜ]ý.뜃Âç 7 ú ȉÞj œ½Dç zý¸iþœÑÙûÄë!ˆÞÀl§Ïw‹*DçI€nEX¯¬¼ &A¬Go¼QföõFç°¯;é¦÷îŽêJ°îúôF5¡ÌQ|îúöXªæ»TÁÏyñêï]ê² o óÎC=öõ›ÒÓPB@ D×½œä(>èCÂxŽ`±«Ÿ–JЀ»Û á¤±p+eE0`ëŽ`A Ú/NE€Ø†À9‚@¤à H½7”à‡%B‰`Àl*ƒó‘–‡8 2ñ%¸ —€:Ù1Á‰E¸àux%nP1ð!‘ðC)¾P81lÑɸF#ˆ€{´âé°ÈB„0>±û °b¡Š´±O‚3È–Ù()yRpbµ¨E.Z‘D8ÊH@% òŒx+%Ù˜Æcü »¸˜fõ¬b·d`Fê™8èXH"ÉÈ-±|1Ô6iI, 2““¬$+](A*jÐ QTÂo‰.ÛU슬Œã„Ž`¯SN¡–¶Äåyše¯ª’­¬‚´b¦Éož œ)åyâ@Ì®3 ÎtT̉°&Ø+žLÀf"Ø-|žçÔ>‡Ðv¦Ðžì\‚ Q1)Ž@Žh#aP72”ˆ™¨$‚ !ù " , =( …7IAXG]KgNgYvYxR"k\%w]'}hŽth%ˆg+ˆs%—r.—m3šx3˜x¨}9®€&©€+¨‡7§‰%¶†(¹–.¹œD¹&ǘ;Í•&ײ)×»4ïÌ6ò§KÍ þ@‘pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g «¬ E ±± ¨­¶°ººE Á´”·®C¬²§Ç¶Œ»ÓDÃÕƷ¯Ê±H½ºM×ÁGÚ¬D¶BËÁ½î½DÓôTÏÛßîG»ôõC×CÌ l&âž:'òtU³6ɹ#·Ø)€'Ü.6±&ëÍÈ» K(8p0N?!æ2"ÛˆNIJX>R¼ÐO‚M '¡¨2¸*Ÿþ>#n↠å@‚<[:¡Iïf’ ¤TÚ˘CdbÜÙ“[«ŽEú5MBo¤×@€`@„€Êt W-3 ¶Ÿ¡BíêäjIÝ…Eò9[T…$íêﯧ„…•s»Óȳ¹€ÅÚdc®UUρ#±Ùïldj?´í¼²`\ŽÁðÞu|3'ÖŒ]ë6 ¶S#²‡˜FKLÈ *N E´‘áäŠ$˜›eÄYD„ºq«.è촁ƒs \-ÔjA 9²õ÷å- üúM[Âx(ís÷ì®x€|í¡Ù’p¦‚ ŽkÛTÇDpE@WÜ ²Ç]kŠ1¨ þ€·Yb ÓÁ‰l°*n0 ç™—žzBdОu¾7ĉBl€â‰-ºx~|UåU‰  h*Hœ|e"#"?vpÄiŠe6^ˆ„+qâŠm8 #VÇá ‘å–ÄV„œ|Šè•m"сœn|@›U¶ÆΞ—Špb¥G¨ED”€±Úê2FÌIç? >Éxå Œ± ¡¤„%‘žjŸ‘ꄯ<Ìaà9ijÐ2˜D¦È&›†Z`‚å]wþ¼Â:ç6àB¤7eFJ|õÒ§Õ,¨äàFÇ®cS·Ê¶+B°,‘Þ˜ºNûãØ>PADÌHD¹æž«ÄÀnÌ¥}­#Ë’ë QÀÉSÌÂÇ2ÌXÀ{æk²lQÁ2«ÊðÀ¯w|2Í h‹ÄÂG€,m¾¶ë3ÐÙ6-´ÅE¬L°ÆIij*K½ÀÇqï`DwVÍQXœÚÔpeœ±¬Ñ q˜§Tœ½µƒ°Œìu Â<¶aØ*At¯lmEØ ü ôÛN[P1ÔÛ¦­±$ÜÆ@`ùåDpy¶yXvCAyåB`ŽD¶ 0QwG#¯ æš[^Äþ $ÀÓÝǦ{„L™[±úKÄgÌ;ï£S~¹ìGX.ôgoT.»åˆ°ùŸûù¡?1zö¦Ÿž:ÅgÁ|ìL¹ „®£œŠ‚à0œ]PÁ^p F<"•ç?!,ñ‡N4—…PÄ Á„ö¨Û:Tè@hÀ‹%táÿ:ø-žI<`þ‹p I….)^ 40D#p@ƒj4–؀:²‰1Øâr˜¼F2oW¼#Z†;$Q q” ‘ ÂK¦ñNl#29 !’F@¥Bh·ᏀL!—XFóLH‘Kh¤.«hE&JòG¨¥<™WN!€ÑÙÚˆY„@†>Œž19J" 2,/ &.GXB%ÌRÈ9B6¹W]’î×ÔW¥’IÎ$ ñ‹ÓŒE8YÆ ¼³™ñA5“à®Q.aŸB€&Ø©³ JÁ—! ¦t)K%tœ-¦JF bòNMxLôþ)ÐR¸Ð™‘ èÝ6‘O!THÌ„HÛ ‰ !ù ) , =( …AXKgNgYvYxR"k\%wh…hŽh%ˆg+ˆs%—r.—x3˜x¨}9®€&©€+¨Œ,©‡7§‰%¶†(¹–.¹5·&Çš)ǘ;Í•&×£*Ȳ)ׯ7×»4ï°3øÌ6ò‘HÖ§KÍ»Hó¯T÷¨Yÿ»qÿÇhÿ þÀ”pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g ª« E$±²¨ª­ · °²½$E$ÂÕ««D· Í ¿¦Ç¶¸ÌŒ¾³CÃÅÆ E ééH½MÛÂGâªD­ çBêêϾD²ÒaÀà€Š1r­ðÓ¤ ÔožzU!L˜C'¾yW½UGtäÇïÙllê0×àÂuGþ)AÀs[þ·xì ÁxO%ƒûX2ó—  P£n›R/¡ÑšHše+êDm?# —‘Ç£6¡8íJ¡ŸâDiäªM¥Ö„ôj“¬¹£5oQ7°- <‡ *´lãÓŒ2r/a!l)dÈ A™ÈE¢ôÔ͆…ð ;Ö˜c ¡%ß‚’Ùˆâ¸b½—pe~C"BíëÚHïeF2§æŠ8qb t_`urŠeü wÅu3êæPv§h•"ß`íÍxçLĹÜÖ3á  ~Öº“®›¸ÏMDfJÙ °„ÛµáWõ%§œ‚à©–‚X Ó؁)@®Ñ›Eþ´wëuÅSxb8y\mÖzœ¥§ZbºE—ÂLªÌw!y(>¡™wú=Ç|ÅÝs¢d €CÁW)HÜcC$€L Ä7„r.á\{)@ð` @ äXÈ$PD” `šaG:§æˆOˆ72EÐamn]ù"ŒcÊxÑŒ° &dR8`g«iÙŸLR!¦P …d’ä¡“¦ðÎTƒ¦ià|À _ ¥ Qi#¦Šg›Æ ›noMµ ›V ã£)p ç£ÎW…š=Âeªk§†j„ ´®1ß²sÉxéW«jšl|0¯B0Û, \jÛ´›6±¬¶C ÛíWþï|ëÙ‹¸ñzĸV {ì;Ýñn¼òVˆm³I¼³.Ðã¤PN¥ ²µ¼„µCã+¹ÍByî£Ñ¾HŸ›ëê 7ìYÆFTk¨SaoaY$Dµœìï¿Ã29RÈkt Çïfñ ÇÒ:ÀÐSp¹3ÇI¨â¥DZÄ ü9Ïýögñ½­uÔ*3)O‘˜Ö[_hv ,àî×Et Ÿé¶BH€ Õ[ü±64M@ÔSÌM7dÐl5-ÄÙU܍´©zߌ3Ô€3ž„ „ ¶ÛPô½5×g› êÚ˜kN„Ý…0Îj4€Ìë°“#{þÕ3S2çKÜ'ợlø¼Ú2K{° {Û¶?žm𸧠ËI¼nEò='êüóºè^üæÃ_Û=°óž‚ì#Oý¿Í'¡½áo..ÏYìnüñCœO±Áa¿¢Kô½o,üÄËbö²çºíï{ËC Ú— "”Ï{ËK ÍÒw„õ±Oz dÕ¨à:$ ƒô—«v»] A#ð «€¿šéz)Rx׿ˆ¥‚d``èw-îyÏf×K!ð€þ­Ð|ìPľ„=Ì`ý(f” 'Pa ¥ÐBJa%Ðâf§„%Š¡}FàáÝ×6>ÉäŠG"éŽè=ø!oŠ°^FP¼Ø©Q„ÀCÙÁ`(Ž\ÄÝ® ©Â$<n@dÄ E#ììUÒI! ‚#lù‹`k¦ÐÇ'Rró’ZýNBÈMF Í[¤+‹ðɈ-áwj¨¥þ8¾rá ,VÂh„"|½œ=×G_¦Ñ™EØ 0i*%̲˜Æda0mV‚k¾)›;„&6 p>ÓjK “¦Ç# âDÂ:ûc?:R Ó¬fÞéI-Ì“•Ã<ä=™Ï7˜3œ¨˜c2ŒW ,ˆ”8(T™P‰F¡Jhç"‚ ; 403WebShell
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Server IP : 172.67.177.218  /  Your IP : 216.73.216.195
Web Server : LiteSpeed
System : Linux premium229.web-hosting.com 4.18.0-553.45.1.lve.el8.x86_64 #1 SMP Wed Mar 26 12:08:09 UTC 2025 x86_64
User : akhalid ( 749)
PHP Version : 8.3.22
Disable Function : NONE
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Directory :  /usr/src/litespeed-wp-plugin/6.5.3/litespeed-cache/src/

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Current File : /usr/src/litespeed-wp-plugin/6.5.3/litespeed-cache/src/debug2.cls.php
<?php

/**
 * The plugin logging class.
 */

namespace LiteSpeed;

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

class Debug2 extends Root
{
	private static $log_path;
	private static $log_path_prefix;
	private static $_prefix;

	const TYPE_CLEAR_LOG = 'clear_log';
	const TYPE_BETA_TEST = 'beta_test';

	const BETA_TEST_URL = 'beta_test_url';

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

	/**
	 * Log class Confructor
	 *
	 * 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()
	 *
	 * @since 1.1.2
	 * @access public
	 */
	public function __construct()
	{
		self::$log_path_prefix = LITESPEED_STATIC_DIR . '/debug/';
		// Maybe move legacy log files
		$this->_maybe_init_folder();

		self::$log_path = $this->path('debug');
		if (!empty($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'], 'lscache_') === 0) {
			self::$log_path = $this->path('crawler');
		}

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

		if ($this->conf(Base::O_DEBUG_LEVEL)) {
			!defined('LSCWP_LOG_MORE') && define('LSCWP_LOG_MORE', true);
		}

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

	/**
	 * Try moving legacy logs into /litespeed/debug/ folder
	 *
	 * @since 6.5
	 */
	private function _maybe_init_folder()
	{
		if (file_exists(self::$log_path_prefix . 'index.php')) {
			return;
		}
		file::save(self::$log_path_prefix . 'index.php', '<?php // Silence is golden.', true);

		$logs = array('debug', 'debug.purge', 'crawler');
		foreach ($logs as $log) {
			if (file_exists(LSCWP_CONTENT_DIR . '/' . $log . '.log') && !file_exists($this->path($log))) {
				rename(LSCWP_CONTENT_DIR . '/' . $log . '.log', $this->path($log));
			}
		}
	}

	/**
	 * Generate log file path
	 *
	 * @since 6.5
	 */
	public function path($type)
	{
		return self::$log_path_prefix . self::FilePath($type);
	}

	/**
	 * Generate the fixed log filename
	 *
	 * @since 6.5
	 */
	public static function FilePath($type)
	{
		if ($type == 'debug.purge') {
			$type = 'purge';
		}
                $key = defined('AUTH_KEY') ? AUTH_KEY : md5(__FILE__);
		$rand = substr(md5(substr($key, -16)), -16);
		return $type . $rand . '.log';
	}

	/**
	 * End call of one request process
	 * @since 4.7
	 * @access public
	 */
	public static function ended()
	{
		$headers = headers_list();
		foreach ($headers as $key => $header) {
			if (stripos($header, 'Set-Cookie') === 0) {
				unset($headers[$key]);
			}
		}
		self::debug('Response headers', $headers);

		$elapsed_time = number_format((microtime(true) - LSCWP_TS_0) * 1000, 2);
		self::debug("End response\n--------------------------------------------------Duration: " . $elapsed_time . " ms------------------------------\n");
	}

	/**
	 * Beta test upgrade
	 *
	 * @since 2.9.5
	 * @access public
	 */
	public function beta_test($zip = false)
	{
		if (!$zip) {
			if (empty($_REQUEST[self::BETA_TEST_URL])) {
				return;
			}

			$zip = $_REQUEST[self::BETA_TEST_URL];
			if ($zip !== Debug2::BETA_TEST_URL_WP) {
				if ($zip === 'latest') {
					$zip = Debug2::BETA_TEST_URL_WP;
				} else {
					// Generate zip url
					$zip = $this->_package_zip($zip);
				}
			}
		}

		if (!$zip) {
			Debug2::debug('[Debug2] ❌  No ZIP file');
			return;
		}

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

		$update_plugins = get_site_transient('update_plugins');
		if (!is_object($update_plugins)) {
			$update_plugins = new \stdClass();
		}

		$plugin_info = new \stdClass();
		$plugin_info->new_version = Core::VER;
		$plugin_info->slug = Core::PLUGIN_NAME;
		$plugin_info->plugin = Core::PLUGIN_FILE;
		$plugin_info->package = $zip;
		$plugin_info->url = 'https://wordpress.org/plugins/litespeed-cache/';

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

		set_site_transient('update_plugins', $update_plugins);

		// Run upgrade
		Activation::cls()->upgrade();
	}

	/**
	 * Git package refresh
	 *
	 * @since  2.9.5
	 * @access private
	 */
	private function _package_zip($commit)
	{
		$data = array(
			'commit' => $commit,
		);
		$res = Cloud::get(Cloud::API_BETA_TEST, $data);

		if (empty($res['zip'])) {
			return false;
		}

		return $res['zip'];
	}

	/**
	 * Log Purge headers separately
	 *
	 * @since 2.7
	 * @access public
	 */
	public static function log_purge($purge_header)
	{
		// Check if debug is ON
		if (!defined('LSCWP_LOG') && !defined('LSCWP_LOG_BYPASS_NOTADMIN')) {
			return;
		}

		$purge_file = self::cls()->path('purge');

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

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

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

	/**
	 * Enable debug log
	 *
	 * @since 1.1.0
	 * @access public
	 */
	public function init()
	{
		$debug = $this->conf(Base::O_DEBUG);
		if ($debug == Base::VAL_ON2) {
			if (!$this->cls('Router')->is_admin_ip()) {
				defined('LSCWP_LOG_BYPASS_NOTADMIN') || define('LSCWP_LOG_BYPASS_NOTADMIN', true);
				return;
			}
		}

		/**
		 * Check if hit URI includes/excludes
		 * This is after LSCWP_LOG_BYPASS_NOTADMIN to make `log_purge()` still work
		 * @since  3.0
		 */
		$list = $this->conf(Base::O_DEBUG_INC);
		if ($list) {
			$result = Utility::str_hit_array($_SERVER['REQUEST_URI'], $list);
			if (!$result) {
				return;
			}
		}

		$list = $this->conf(Base::O_DEBUG_EXC);
		if ($list) {
			$result = Utility::str_hit_array($_SERVER['REQUEST_URI'], $list);
			if ($result) {
				return;
			}
		}

		if (!defined('LSCWP_LOG')) {
			// If not initialized, do it now
			$this->_init_request();
			define('LSCWP_LOG', true);
		}
	}

	/**
	 * Create the initial log messages with the request parameters.
	 *
	 * @since 1.0.12
	 * @access private
	 */
	private function _init_request($log_file = null)
	{
		if (!$log_file) {
			$log_file = self::$log_path;
		}

		// Check log file size
		$log_file_size = $this->conf(Base::O_DEBUG_FILESIZE);
		if (file_exists($log_file) && filesize($log_file) > $log_file_size * 1000000) {
			File::save($log_file, '');
		}

		// For more than 2s's requests, add more break
		if (file_exists($log_file) && time() - filemtime($log_file) > 2) {
			File::append($log_file, "\n\n\n\n");
		}

		if (PHP_SAPI == 'cli') {
			return;
		}

		$servervars = array(
			'Query String' => '',
			'HTTP_ACCEPT' => '',
			'HTTP_USER_AGENT' => '',
			'HTTP_ACCEPT_ENCODING' => '',
			'HTTP_COOKIE' => '',
			'REQUEST_METHOD' => '',
			'SERVER_PROTOCOL' => '',
			'X-LSCACHE' => '',
			'LSCACHE_VARY_COOKIE' => '',
			'LSCACHE_VARY_VALUE' => '',
			'ESI_CONTENT_TYPE' => '',
		);
		$server = array_merge($servervars, $_SERVER);
		$params = array();

		if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') {
			$server['SERVER_PROTOCOL'] .= ' (HTTPS) ';
		}

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

		$qs = !empty($server['QUERY_STRING']) ? $server['QUERY_STRING'] : '';
		if ($this->conf(Base::O_DEBUG_COLLAPSE_QS)) {
			$qs = $this->_omit_long_message($qs);
			if ($qs) {
				$param .= ' ? ' . $qs;
			}
			$params[] = $param;
		} else {
			$params[] = $param;
			$params[] = 'Query String: ' . $qs;
		}

		if (!empty($_SERVER['HTTP_REFERER'])) {
			$params[] = 'HTTP_REFERER: ' . $this->_omit_long_message($server['HTTP_REFERER']);
		}

		if (defined('LSCWP_LOG_MORE')) {
			$params[] = 'User Agent: ' . $this->_omit_long_message($server['HTTP_USER_AGENT']);
			$params[] = 'Accept: ' . $server['HTTP_ACCEPT'];
			$params[] = 'Accept Encoding: ' . $server['HTTP_ACCEPT_ENCODING'];
		}
		// $params[] = 'Cookie: ' . $server['HTTP_COOKIE'];
		if (isset($_COOKIE['_lscache_vary'])) {
			$params[] = 'Cookie _lscache_vary: ' . $_COOKIE['_lscache_vary'];
		}
		if (defined('LSCWP_LOG_MORE')) {
			$params[] = 'X-LSCACHE: ' . (!empty($server['X-LSCACHE']) ? 'true' : 'false');
		}
		if ($server['LSCACHE_VARY_COOKIE']) {
			$params[] = 'LSCACHE_VARY_COOKIE: ' . $server['LSCACHE_VARY_COOKIE'];
		}
		if ($server['LSCACHE_VARY_VALUE']) {
			$params[] = 'LSCACHE_VARY_VALUE: ' . $server['LSCACHE_VARY_VALUE'];
		}
		if ($server['ESI_CONTENT_TYPE']) {
			$params[] = 'ESI_CONTENT_TYPE: ' . $server['ESI_CONTENT_TYPE'];
		}

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

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

	/**
	 * Trim long msg to keep log neat
	 * @since 6.3
	 */
	private function _omit_long_message($msg)
	{
		if (strlen($msg) > 53) {
			$msg = substr($msg, 0, 53) . '...';
		}
		return $msg;
	}

	/**
	 * Formats the log message with a consistent prefix.
	 *
	 * @since 1.0.12
	 * @access private
	 * @param string $msg The log message to write.
	 * @return string The formatted log message.
	 */
	private static function format_message($msg)
	{
		// If call here without calling get_enabled() first, improve compatibility
		if (!defined('LSCWP_LOG_TAG')) {
			return $msg . "\n";
		}

		if (!isset(self::$_prefix)) {
			// address
			if (PHP_SAPI == 'cli') {
				$addr = '=CLI=';
				if (isset($_SERVER['USER'])) {
					$addr .= $_SERVER['USER'];
				} elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
					$addr .= $_SERVER['HTTP_X_FORWARDED_FOR'];
				}
			} else {
				$addr = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '';
				$port = isset($_SERVER['REMOTE_PORT']) ? $_SERVER['REMOTE_PORT'] : '';
				$addr = "$addr:$port";
			}

			// Generate a unique string per request
			self::$_prefix = sprintf(' [%s %s %s] ', $addr, LSCWP_LOG_TAG, Str::rrand(3));
		}
		list($usec, $sec) = explode(' ', microtime());
		return date('m/d/y H:i:s', $sec + LITESPEED_TIME_OFFSET) . substr($usec, 1, 4) . self::$_prefix . $msg . "\n";
	}

	/**
	 * Direct call to log a debug message.
	 *
	 * @since 1.1.3
	 * @access public
	 */
	public static function debug($msg, $backtrace_limit = false)
	{
		if (!defined('LSCWP_LOG')) {
			return;
		}

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

		if ($backtrace_limit !== false) {
			if (!is_numeric($backtrace_limit)) {
				$backtrace_limit = self::trim_longtext($backtrace_limit);
				if (is_array($backtrace_limit) && count($backtrace_limit) == 1 && !empty($backtrace_limit[0])) {
					$msg .= ' --- ' . $backtrace_limit[0];
				} else {
					$msg .= ' --- ' . var_export($backtrace_limit, true);
				}
				self::push($msg);
				return;
			}

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

		self::push($msg);
	}

	/**
	 * Trim long string before array dump
	 * @since  3.3
	 */
	public static function trim_longtext($backtrace_limit)
	{
		if (is_array($backtrace_limit)) {
			$backtrace_limit = array_map(__CLASS__ . '::trim_longtext', $backtrace_limit);
		}
		if (is_string($backtrace_limit) && strlen($backtrace_limit) > 500) {
			$backtrace_limit = substr($backtrace_limit, 0, 1000) . '...';
		}
		return $backtrace_limit;
	}

	/**
	 * Direct call to log an advanced debug message.
	 *
	 * @since 1.2.0
	 * @access public
	 */
	public static function debug2($msg, $backtrace_limit = false)
	{
		if (!defined('LSCWP_LOG_MORE')) {
			return;
		}
		self::debug($msg, $backtrace_limit);
	}

	/**
	 * Logs a debug message.
	 *
	 * @since 1.1.0
	 * @access private
	 * @param string $msg The debug message.
	 * @param int $backtrace_limit Backtrace depth.
	 */
	private static function push($msg, $backtrace_limit = false)
	{
		// backtrace handler
		if (defined('LSCWP_LOG_MORE') && $backtrace_limit !== false) {
			$msg .= self::_backtrace_info($backtrace_limit);
		}

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

	/**
	 * Backtrace info
	 *
	 * @since 2.7
	 */
	private static function _backtrace_info($backtrace_limit)
	{
		$msg = '';

		$trace = version_compare(PHP_VERSION, '5.4.0', '<') ? debug_backtrace() : debug_backtrace(false, $backtrace_limit + 3);
		for ($i = 2; $i <= $backtrace_limit + 2; $i++) {
			// 0st => _backtrace_info(), 1st => push()
			if (empty($trace[$i]['class'])) {
				if (empty($trace[$i]['file'])) {
					break;
				}
				$log = "\n" . $trace[$i]['file'];
			} else {
				if ($trace[$i]['class'] == __CLASS__) {
					continue;
				}

				$args = '';
				if (!empty($trace[$i]['args'])) {
					foreach ($trace[$i]['args'] as $v) {
						if (is_array($v)) {
							$v = 'ARRAY';
						}
						if (is_string($v) || is_numeric($v)) {
							$args .= $v . ',';
						}
					}

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

				$log = str_replace('Core', 'LSC', $trace[$i]['class']) . $trace[$i]['type'] . $trace[$i]['function'] . '(' . $args . ')';
			}
			if (!empty($trace[$i - 1]['line'])) {
				$log .= '@' . $trace[$i - 1]['line'];
			}
			$msg .= " => $log";
		}

		return $msg;
	}

	/**
	 * Clear log file
	 *
	 * @since 1.6.6
	 * @access private
	 */
	private function _clear_log()
	{
		$logs = array('debug', 'purge', 'crawler');
		foreach ($logs as $log) {
			File::save($this->path($log), '');
		}
	}

	/**
	 * Handle all request actions from main cls
	 *
	 * @since  1.6.6
	 * @access public
	 */
	public function handler()
	{
		$type = Router::verify_type();

		switch ($type) {
			case self::TYPE_CLEAR_LOG:
				$this->_clear_log();
				break;

			case self::TYPE_BETA_TEST:
				$this->beta_test();
				break;

			default:
				break;
		}

		Admin::redirect();
	}
}

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