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

/**
 * The abstract instance
 *
 * @since      	3.0
 */

namespace LiteSpeed;

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

abstract class Root
{
	const CONF_FILE = '.litespeed_conf.dat';
	// Instance set
	private static $_instances;

	private static $_options = array();
	private static $_const_options = array();
	private static $_primary_options = array();
	private static $_network_options = array();

	/**
	 * Check if need to separate ccss for mobile
	 *
	 * @since  4.7
	 * @access protected
	 */
	protected function _separate_mobile()
	{
		return (wp_is_mobile() || apply_filters('litespeed_is_mobile', false)) && $this->conf(Base::O_CACHE_MOBILE);
	}

	/**
	 * Log a debug message.
	 *
	 * @since  4.4
	 * @access public
	 */
	public static function debug($msg, $backtrace_limit = false)
	{
		if (!defined('LSCWP_LOG')) {
			return;
		}

		if (defined('static::LOG_TAG')) {
			$msg = static::LOG_TAG . '  ' . $msg;
		}

		Debug2::debug($msg, $backtrace_limit);
	}

	/**
	 * Log an advanced debug message.
	 *
	 * @since  4.4
	 * @access public
	 */
	public static function debug2($msg, $backtrace_limit = false)
	{
		if (!defined('LSCWP_LOG_MORE')) {
			return;
		}

		if (defined('static::LOG_TAG')) {
			$msg = static::LOG_TAG . '  ' . $msg;
		}
		Debug2::debug2($msg, $backtrace_limit);
	}

	/**
	 * Check if there is cache folder for that type
	 *
	 * @since  3.0
	 */
	public function has_cache_folder($type)
	{
		$subsite_id = is_multisite() && !is_network_admin() ? get_current_blog_id() : '';

		if (file_exists(LITESPEED_STATIC_DIR . '/' . $type . '/' . $subsite_id)) {
			return true;
		}
		return false;
	}

	/**
	 * Maybe make the cache folder if not existed
	 *
	 * @since 4.4.2
	 */
	protected function _maybe_mk_cache_folder($type)
	{
		if (!$this->has_cache_folder($type)) {
			$subsite_id = is_multisite() && !is_network_admin() ? get_current_blog_id() : '';
			$path = LITESPEED_STATIC_DIR . '/' . $type . '/' . $subsite_id;
			mkdir($path, 0755, true);
		}
	}

	/**
	 * Delete file-based cache folder for that type
	 *
	 * @since  3.0
	 */
	public function rm_cache_folder($type)
	{
		if (!$this->has_cache_folder($type)) {
			return;
		}

		$subsite_id = is_multisite() && !is_network_admin() ? get_current_blog_id() : '';

		File::rrmdir(LITESPEED_STATIC_DIR . '/' . $type . '/' . $subsite_id);

		// Clear All summary data
		self::save_summary(false, false, true);

		if ($type == 'ccss' || $type == 'ucss') {
			Debug2::debug('[CSS] Cleared ' . $type . ' queue');
		} elseif ($type == 'avatar') {
			Debug2::debug('[Avatar] Cleared ' . $type . ' queue');
		} elseif ($type == 'css' || $type == 'js') {
			return;
		} else {
			Debug2::debug('[' . strtoupper($type) . '] Cleared ' . $type . ' queue');
		}
	}

	/**
	 * Build the static filepath
	 *
	 * @since  4.0
	 */
	protected function _build_filepath_prefix($type)
	{
		$filepath_prefix = '/' . $type . '/';
		if (is_multisite()) {
			$filepath_prefix .= get_current_blog_id() . '/';
		}

		return $filepath_prefix;
	}

	/**
	 * Load current queues from data file
	 *
	 * @since  4.1
	 * @since  4.3 Elevated to root.cls
	 */
	public function load_queue($type)
	{
		$filepath_prefix = $this->_build_filepath_prefix($type);
		$static_path = LITESPEED_STATIC_DIR . $filepath_prefix . '.litespeed_conf.dat';

		$queue = array();
		if (file_exists($static_path)) {
			$queue = \json_decode(file_get_contents($static_path), true) ?: array();
		}

		return $queue;
	}

	/**
	 * Save current queues to data file
	 *
	 * @since  4.1
	 * @since  4.3 Elevated to root.cls
	 */
	public function save_queue($type, $list)
	{
		$filepath_prefix = $this->_build_filepath_prefix($type);
		$static_path = LITESPEED_STATIC_DIR . $filepath_prefix . '.litespeed_conf.dat';

		$data = \json_encode($list);

		File::save($static_path, $data, true);
	}

	/**
	 * Clear all waiting queues
	 *
	 * @since  3.4
	 * @since  4.3 Elevated to root.cls
	 */
	public function clear_q($type, $silent = false)
	{
		$filepath_prefix = $this->_build_filepath_prefix($type);
		$static_path = LITESPEED_STATIC_DIR . $filepath_prefix . '.litespeed_conf.dat';

		if (file_exists($static_path)) {
			$silent = false;
			unlink($static_path);
		}

		if (!$silent) {
			$msg = __('All QUIC.cloud service queues have been cleared.', 'litespeed-cache');
			Admin_Display::succeed($msg);
		}
	}

	/**
	 * Load an instance or create it if not existed
	 * @since  4.0
	 */
	public static function cls($cls = false, $unset = false, $data = false)
	{
		if (!$cls) {
			$cls = self::ori_cls();
		}
		$cls = __NAMESPACE__ . '\\' . $cls;

		$cls_tag = strtolower($cls);

		if (!isset(self::$_instances[$cls_tag])) {
			if ($unset) {
				return;
			}

			self::$_instances[$cls_tag] = new $cls($data);
		} else {
			if ($unset) {
				unset(self::$_instances[$cls_tag]);
				return;
			}
		}

		return self::$_instances[$cls_tag];
	}

	/**
	 * Set one conf or confs
	 */
	public function set_conf($id, $val = null)
	{
		if (is_array($id)) {
			foreach ($id as $k => $v) {
				$this->set_conf($k, $v);
			}
			return;
		}
		self::$_options[$id] = $val;
	}

	/**
	 * Set one primary conf or confs
	 */
	public function set_primary_conf($id, $val = null)
	{
		if (is_array($id)) {
			foreach ($id as $k => $v) {
				$this->set_primary_conf($k, $v);
			}
			return;
		}
		self::$_primary_options[$id] = $val;
	}

	/**
	 * Set one network conf
	 */
	public function set_network_conf($id, $val = null)
	{
		if (is_array($id)) {
			foreach ($id as $k => $v) {
				$this->set_network_conf($k, $v);
			}
			return;
		}
		self::$_network_options[$id] = $val;
	}

	/**
	 * Set one const conf
	 */
	public function set_const_conf($id, $val)
	{
		self::$_const_options[$id] = $val;
	}

	/**
	 * Check if is overwritten by const
	 *
	 * @since  3.0
	 */
	public function const_overwritten($id)
	{
		if (!isset(self::$_const_options[$id]) || self::$_const_options[$id] == self::$_options[$id]) {
			return null;
		}
		return self::$_const_options[$id];
	}

	/**
	 * Check if is overwritten by primary site
	 *
	 * @since  3.2.2
	 */
	public function primary_overwritten($id)
	{
		if (!isset(self::$_primary_options[$id]) || self::$_primary_options[$id] == self::$_options[$id]) {
			return null;
		}

		// Network admin settings is impossible to be overwritten by primary
		if (is_network_admin()) {
			return null;
		}

		return self::$_primary_options[$id];
	}

	/**
	 * Get the list of configured options for the blog.
	 *
	 * @since 1.0
	 */
	public function get_options($ori = false)
	{
		if (!$ori) {
			return array_merge(self::$_options, self::$_primary_options, self::$_network_options, self::$_const_options);
		}

		return self::$_options;
	}

	/**
	 * If has a conf or not
	 */
	public function has_conf($id)
	{
		return array_key_exists($id, self::$_options);
	}

	/**
	 * If has a primary conf or not
	 */
	public function has_primary_conf($id)
	{
		return array_key_exists($id, self::$_primary_options);
	}

	/**
	 * If has a network conf or not
	 */
	public function has_network_conf($id)
	{
		return array_key_exists($id, self::$_network_options);
	}

	/**
	 * Get conf
	 */
	public function conf($id, $ori = false)
	{
		if (isset(self::$_options[$id])) {
			if (!$ori) {
				$val = $this->const_overwritten($id);
				if ($val !== null) {
					defined('LSCWP_LOG') && Debug2::debug('[Conf] 🏛️ const option ' . $id . '=' . var_export($val, true));
					return $val;
				}

				$val = $this->primary_overwritten($id); // Network Use primary site settings
				if ($val !== null) {
					return $val;
				}
			}

			// Network original value will be in _network_options
			if (!is_network_admin() || !$this->has_network_conf($id)) {
				return self::$_options[$id];
			}
		}

		if ($this->has_network_conf($id)) {
			if (!$ori) {
				$val = $this->const_overwritten($id);
				if ($val !== null) {
					defined('LSCWP_LOG') && Debug2::debug('[Conf] 🏛️ const option ' . $id . '=' . var_export($val, true));
					return $val;
				}
			}

			return $this->network_conf($id);
		}

		defined('LSCWP_LOG') && Debug2::debug('[Conf] Invalid option ID ' . $id);

		return null;
	}

	/**
	 * Get primary conf
	 */
	public function primary_conf($id)
	{
		return self::$_primary_options[$id];
	}

	/**
	 * Get network conf
	 */
	public function network_conf($id)
	{
		if (!$this->has_network_conf($id)) {
			return null;
		}

		return self::$_network_options[$id];
	}

	/**
	 * Get called class short name
	 */
	public static function ori_cls()
	{
		$cls = new \ReflectionClass(get_called_class());
		$shortname = $cls->getShortName();
		$namespace = str_replace(__NAMESPACE__ . '\\', '', $cls->getNamespaceName() . '\\');
		if ($namespace) {
			// the left namespace after dropped LiteSpeed
			$shortname = $namespace . $shortname;
		}

		return $shortname;
	}

	/**
	 * Generate conf name for wp_options record
	 *
	 * @since 3.0
	 */
	public static function name($id)
	{
		$name = strtolower(self::ori_cls());
		if ($name == 'conf2') {
			// For a certain 3.7rc correction, can be dropped after v4
			$name = 'conf';
		}
		return 'litespeed.' . $name . '.' . $id;
	}

	/**
	 * Dropin with prefix for WP's get_option
	 *
	 * @since 3.0
	 */
	public static function get_option($id, $default_v = false)
	{
		$v = get_option(self::name($id), $default_v);

		// Maybe decode array
		if (is_array($default_v)) {
			$v = self::_maybe_decode($v);
		}

		return $v;
	}

	/**
	 * Dropin with prefix for WP's get_site_option
	 *
	 * @since 3.0
	 */
	public static function get_site_option($id, $default_v = false)
	{
		$v = get_site_option(self::name($id), $default_v);

		// Maybe decode array
		if (is_array($default_v)) {
			$v = self::_maybe_decode($v);
		}

		return $v;
	}

	/**
	 * Dropin with prefix for WP's get_blog_option
	 *
	 * @since 3.0
	 */
	public static function get_blog_option($blog_id, $id, $default_v = false)
	{
		$v = get_blog_option($blog_id, self::name($id), $default_v);

		// Maybe decode array
		if (is_array($default_v)) {
			$v = self::_maybe_decode($v);
		}

		return $v;
	}

	/**
	 * Dropin with prefix for WP's add_option
	 *
	 * @since 3.0
	 */
	public static function add_option($id, $v)
	{
		add_option(self::name($id), self::_maybe_encode($v));
	}

	/**
	 * Dropin with prefix for WP's add_site_option
	 *
	 * @since 3.0
	 */
	public static function add_site_option($id, $v)
	{
		add_site_option(self::name($id), self::_maybe_encode($v));
	}

	/**
	 * Dropin with prefix for WP's update_option
	 *
	 * @since 3.0
	 */
	public static function update_option($id, $v)
	{
		update_option(self::name($id), self::_maybe_encode($v));
	}

	/**
	 * Dropin with prefix for WP's update_site_option
	 *
	 * @since 3.0
	 */
	public static function update_site_option($id, $v)
	{
		update_site_option(self::name($id), self::_maybe_encode($v));
	}

	/**
	 * Decode an array
	 *
	 * @since  4.0
	 */
	private static function _maybe_decode($v)
	{
		if (!is_array($v)) {
			$v2 = \json_decode($v, true);
			if ($v2 !== null) {
				$v = $v2;
			}
		}
		return $v;
	}

	/**
	 * Encode an array
	 *
	 * @since  4.0
	 */
	private static function _maybe_encode($v)
	{
		if (is_array($v)) {
			$v = \json_encode($v) ?: $v; // Non utf-8 encoded value will get failed, then used ori value
		}
		return $v;
	}

	/**
	 * Dropin with prefix for WP's delete_option
	 *
	 * @since 3.0
	 */
	public static function delete_option($id)
	{
		delete_option(self::name($id));
	}

	/**
	 * Dropin with prefix for WP's delete_site_option
	 *
	 * @since 3.0
	 */
	public static function delete_site_option($id)
	{
		delete_site_option(self::name($id));
	}

	/**
	 * Read summary
	 *
	 * @since  3.0
	 * @access public
	 */
	public static function get_summary($field = false)
	{
		$summary = self::get_option('_summary', array());

		if (!is_array($summary)) {
			$summary = array();
		}

		if (!$field) {
			return $summary;
		}

		if (array_key_exists($field, $summary)) {
			return $summary[$field];
		}

		return null;
	}

	/**
	 * Save summary
	 *
	 * @since  3.0
	 * @access public
	 */
	public static function save_summary($data = false, $reload = false, $overwrite = false)
	{
		if ($reload || empty(static::cls()->_summary)) {
			self::reload_summary();
		}

		$existing_summary = static::cls()->_summary;
		if ($overwrite || !is_array($existing_summary)) {
			$existing_summary = array();
		}
		$new_summary = array_merge($existing_summary, $data ?: array());
		// self::debug2( 'Save after Reloaded summary', $new_summary );
		static::cls()->_summary = $new_summary;

		self::update_option('_summary', $new_summary);
	}

	/**
	 * Reload summary
	 * @since 5.0
	 */
	public static function reload_summary()
	{
		static::cls()->_summary = self::get_summary();
		// self::debug2( 'Reloaded summary', static::cls()->_summary );
	}

	/**
	 * Get the current instance object. To be inherited.
	 *
	 * @since 3.0
	 */
	public static function get_instance()
	{
		return static::cls();
	}
}

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