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<?php

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/**

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* Plugin Name: LiteSpeed Cache

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* Plugin URI: https://www.litespeedtech.com/products/cache-plugins/wordpress-acceleration

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* Description: High-performance page caching and site optimization from LiteSpeed

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* Version: 7.7

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* Author: LiteSpeed Technologies

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* Author URI: https://www.litespeedtech.com

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* License: GPLv3

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* License URI: https://www.gnu.org/licenses/gpl-3.0.html

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* Text Domain: litespeed-cache

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* Domain Path: /lang

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* @package LiteSpeed

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* This program is free software: you can redistribute it and/or modify

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* it under the terms of the GNU General Public License as published by

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* the Free Software Foundation, either version 3 of the License, or

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* (at your option) any later version.

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* This program is distributed in the hope that it will be useful,

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* but WITHOUT ANY WARRANTY; without even the implied warranty of

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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

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* GNU General Public License for more details.

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* You should have received a copy of the GNU General Public License

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* along with this program. If not, see <http://www.gnu.org/licenses/>.

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

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if ( defined( 'LSCWP_V' ) ) {

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return;

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}

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! defined( 'LSCWP_V' ) && define( 'LSCWP_V', '7.7' );

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! defined( 'LSCWP_CONTENT_DIR' ) && define( 'LSCWP_CONTENT_DIR', WP_CONTENT_DIR );

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! defined( 'LSCWP_DIR' ) && define( 'LSCWP_DIR', __DIR__ . '/' ); // Full absolute path '/var/www/html/***/wp-content/plugins/litespeed-cache/' or MU

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! defined( 'LSCWP_BASENAME' ) && define( 'LSCWP_BASENAME', 'litespeed-cache/litespeed-cache.php' ); // LSCWP_BASENAME='litespeed-cache/litespeed-cache.php'

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/**

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* This needs to be before activation because admin-rules.class.php need const `LSCWP_CONTENT_FOLDER`

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* This also needs to be before cfg.cls init because default cdn_included_dir needs `LSCWP_CONTENT_FOLDER`

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* @since 5.2 Auto correct protocol for CONTENT URL

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$wp_content_url = WP_CONTENT_URL;

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$site_url = site_url( '/' );

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if ( 'http:' === substr( $wp_content_url, 0, 5 ) && 'https' === substr( $site_url, 0, 5 ) ) {

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$wp_content_url = str_replace( 'http://', 'https://', $wp_content_url );

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}

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! defined( 'LSCWP_CONTENT_FOLDER' ) && define( 'LSCWP_CONTENT_FOLDER', str_replace( $site_url, '', $wp_content_url ) ); // `wp-content`

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unset( $site_url );

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! defined( 'LSWCP_PLUGIN_URL' ) && define( 'LSWCP_PLUGIN_URL', plugin_dir_url( __FILE__ ) ); // Full URL path '//example.com/wp-content/plugins/litespeed-cache/'

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/**

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* Static cache files consts

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* @since 3.0

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! defined( 'LITESPEED_DATA_FOLDER' ) && define( 'LITESPEED_DATA_FOLDER', 'litespeed' );

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! defined( 'LITESPEED_STATIC_URL' ) && define( 'LITESPEED_STATIC_URL', $wp_content_url . '/' . LITESPEED_DATA_FOLDER ); // Full static cache folder URL '//example.com/wp-content/litespeed'

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unset( $wp_content_url );

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! defined( 'LITESPEED_STATIC_DIR' ) && define( 'LITESPEED_STATIC_DIR', LSCWP_CONTENT_DIR . '/' . LITESPEED_DATA_FOLDER ); // Full static cache folder path '/var/www/html/***/wp-content/litespeed'

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! defined( 'LITESPEED_TIME_OFFSET' ) && define( 'LITESPEED_TIME_OFFSET', get_option( 'gmt_offset' ) * 60 * 60 );

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// Placeholder for lazyload img

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! defined( 'LITESPEED_PLACEHOLDER' ) && define( 'LITESPEED_PLACEHOLDER', 'data:image/gif;base64,R0lGODdhAQABAPAAAMPDwwAAACwAAAAAAQABAAACAkQBADs=' );

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// Auto register LiteSpeed classes

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require_once LSCWP_DIR . 'autoload.php';

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// Define CLI

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if ( ( defined( 'WP_CLI' ) && constant('WP_CLI') ) || 'cli' === PHP_SAPI ) {

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

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// Register CLI cmd

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if ( method_exists( 'WP_CLI', 'add_command' ) ) {

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WP_CLI::add_command( 'litespeed-option', 'LiteSpeed\CLI\Option' );

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WP_CLI::add_command( 'litespeed-purge', 'LiteSpeed\CLI\Purge' );

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WP_CLI::add_command( 'litespeed-online', 'LiteSpeed\CLI\Online' );

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WP_CLI::add_command( 'litespeed-image', 'LiteSpeed\CLI\Image' );

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WP_CLI::add_command( 'litespeed-debug', 'LiteSpeed\CLI\Debug' );

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WP_CLI::add_command( 'litespeed-presets', 'LiteSpeed\CLI\Presets' );

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WP_CLI::add_command( 'litespeed-crawler', 'LiteSpeed\CLI\Crawler' );

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WP_CLI::add_command( 'litespeed-database', 'LiteSpeed\CLI\Database' );

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}

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}

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// Server type

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if ( ! defined( 'LITESPEED_SERVER_TYPE' ) ) {

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$http_x_lscache = isset( $_SERVER['HTTP_X_LSCACHE'] ) ? sanitize_text_field( wp_unslash( $_SERVER['HTTP_X_LSCACHE'] ) ) : '';

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$lsws_edition = isset( $_SERVER['LSWS_EDITION'] ) ? sanitize_text_field( wp_unslash( $_SERVER['LSWS_EDITION'] ) ) : '';

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$server_software = isset( $_SERVER['SERVER_SOFTWARE'] ) ? sanitize_text_field( wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) ) : '';

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if ( $http_x_lscache ) {

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define( 'LITESPEED_SERVER_TYPE', 'LITESPEED_SERVER_ADC' );

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} elseif ( 0 === strpos( $lsws_edition, 'Openlitespeed' ) ) {

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define( 'LITESPEED_SERVER_TYPE', 'LITESPEED_SERVER_OLS' );

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} elseif ( 'LiteSpeed' === $server_software ) {

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define( 'LITESPEED_SERVER_TYPE', 'LITESPEED_SERVER_ENT' );

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} else {

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define( 'LITESPEED_SERVER_TYPE', 'NONE' );

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}

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}

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// Checks if caching is allowed via server variable

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if ( ! empty( $_SERVER['X-LSCACHE'] ) || 'LITESPEED_SERVER_ADC' === LITESPEED_SERVER_TYPE || defined( 'LITESPEED_CLI' ) ) {

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

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}

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// ESI const definition

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if ( ! defined( 'LSWCP_ESI_SUPPORT' ) ) {

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define( 'LSWCP_ESI_SUPPORT', LITESPEED_SERVER_TYPE !== 'LITESPEED_SERVER_OLS' );

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}

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if ( ! defined( 'LSWCP_TAG_PREFIX' ) ) {

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define( 'LSWCP_TAG_PREFIX', substr( md5( LSCWP_DIR ), -3 ) );

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}

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if ( ! function_exists( 'litespeed_exception_handler' ) ) {

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/**

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* Handle exception

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* @param int $errno Error number.

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* @param string $errstr Error string.

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* @param string $errfile Error file.

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* @param int $errline Error line.

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* @throws \ErrorException When an error is encountered.

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function litespeed_exception_handler( $errno, $errstr, $errfile, $errline ) {

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throw new \ErrorException(

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esc_html( $errstr ),

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absint( $errno ),

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esc_html( $errfile ),

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absint( $errline )

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);

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}

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}

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if ( ! function_exists( 'litespeed_define_nonce_func' ) ) {

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/**

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* Overwrite the WP nonce funcs outside of LiteSpeed namespace

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* @since 3.0

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function litespeed_define_nonce_func() {

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/**

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* If the nonce is in none_actions filter, convert it to ESI

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* @param mixed $action Action name or -1.

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* @return string

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function wp_create_nonce( $action = -1 ) {

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if ( ! defined( 'LITESPEED_DISABLE_ALL' ) || ! LITESPEED_DISABLE_ALL ) {

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$control = \LiteSpeed\ESI::cls()->is_nonce_action( $action );

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if ( null !== $control ) {

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$params = array(

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'action' => $action,

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);

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return \LiteSpeed\ESI::cls()->sub_esi_block( 'nonce', 'wp_create_nonce ' . $action, $params, $control, true, true, true );

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}

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}

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return wp_create_nonce_litespeed_esi( $action );

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}

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/**

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* Ori WP wp_create_nonce

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* @param mixed $action Action name or -1.

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* @return string

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function wp_create_nonce_litespeed_esi( $action = -1 ) {

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$uid = get_current_user_id();

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if ( ! $uid ) {

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/** This filter is documented in wp-includes/pluggable.php */

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$uid = apply_filters( 'nonce_user_logged_out', $uid, $action );

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}

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$token = wp_get_session_token();

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$i = wp_nonce_tick();

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return substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 );

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}

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}

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}

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if ( ! function_exists( 'run_litespeed_cache' ) ) {

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/**

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* Begins execution of the plugin.

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* @since 1.0.0

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function run_litespeed_cache() {

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// Check minimum PHP requirements, which is 7.2 at the moment.

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if ( version_compare( PHP_VERSION, '7.2.0', '<' ) ) {

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return;

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}

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// Check minimum WP requirements, which is 5.3 at the moment.

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if ( version_compare( $GLOBALS['wp_version'], '5.3', '<' ) ) {

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return;

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}

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\LiteSpeed\Core::cls();

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}

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run_litespeed_cache();

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}

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