<?php
/**
 * @copyright 2017  Cloudways  https://www.cloudways.com
 *
 *  This plugin is inspired from WP Speed of Light by JoomUnited.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
defined( 'ABSPATH' ) || die( 'No direct script access allowed!' );

class Breeze_Configuration {
	public function __construct() {
		global $breeze_network_subsite_settings;
		$breeze_network_subsite_settings = false;

		// Save the tabs settings.
		add_action( 'wp_ajax_save_settings_tab_basic', array( &$this, 'update_options_for_basic' ) );
		add_action( 'wp_ajax_save_settings_tab_file', array( &$this, 'update_options_for_file' ) );
		add_action( 'wp_ajax_save_settings_tab_preload', array( &$this, 'update_options_for_preload' ) );
		add_action( 'wp_ajax_save_settings_tab_advanced', array( &$this, 'update_options_for_advanced' ) );
		add_action( 'wp_ajax_save_settings_tab_heartbeat', array( &$this, 'update_options_for_heartbeat' ) );
		add_action( 'wp_ajax_save_settings_tab_database', array( &$this, 'update_options_for_database' ) );
		add_action( 'wp_ajax_save_settings_tab_cdn', array( &$this, 'update_options_for_cdn' ) );
		add_action( 'wp_ajax_save_settings_tab_tools', array( &$this, 'update_options_for_tools' ) );
		add_action( 'wp_ajax_save_settings_tab_faq', array( &$this, 'update_options_for_faq' ) );
		add_action( 'wp_ajax_save_settings_tab_varnish', array( &$this, 'update_options_for_varnish' ) );
		add_action( 'wp_ajax_save_settings_tab_inherit', array( &$this, 'update_options_for_inherit' ) );

		add_action( 'wp_ajax_refresh_api_token_key', array( &$this, 'regenerate_breeze_api_key' ) );
	}

	/**
	 * Regenerate breeze API key via ajax
	 * @return void
	 * @throws Exception
	 */
	public function regenerate_breeze_api_key() {
		breeze_is_restricted_access();
		check_ajax_referer( '_breeze_save_options', 'security' );
		set_as_network_screen();

		$breeze_api_token      = self::breeze_generate_token();
		$response              = array();
		$response['new_token'] = $breeze_api_token;
		wp_send_json( $response );
	}

	public function update_options_for_varnish() {
		breeze_is_restricted_access();
		check_ajax_referer( '_breeze_save_options', 'security' );
		set_as_network_screen();

		$wp_filesystem = breeze_get_filesystem();

		$response  = array();
		$post_item = array();

		if ( isset( $_POST['form-data'] ) ) {
			parse_str( wp_unslash( $_POST['form-data'] ), $post_item ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
		}

		$varnish = array(
			'auto-purge-varnish'       => ( isset( $post_item['auto-purge-varnish'] ) ? '1' : '0' ),
			'breeze-varnish-server-ip' => preg_replace( '/[^a-zA-Z0-9\-\_\.]*/', '', $post_item['varnish-server-ip'] ),
		);

		breeze_update_option( 'varnish_cache', $varnish, true );

		Breeze_ConfigCache::factory()->write_config_cache();

		// Clear varnish cache after settings
		do_action( 'breeze_clear_varnish' );

		wp_send_json( $response );
	}

	/**
	 * Save the Basic Options settings via Ajax call.
	 *
	 * @access public
	 * @since 2.0.0
	 */
	public function update_options_for_basic() {
		breeze_is_restricted_access();
		check_ajax_referer( '_breeze_save_options', 'security' );
		set_as_network_screen();

		$wp_filesystem = breeze_get_filesystem();

		$response  = array();
		$post_item = array();

		if ( isset( $_POST['form-data'] ) ) {
			parse_str( wp_unslash( $_POST['form-data'] ), $post_item );
		}

		$post_activate_cache = isset( $post_item['breeze-admin-cache'] ) ? $post_item['breeze-admin-cache'] : array();
		$all_user_roles      = breeze_all_wp_user_roles();
		$active_cache_users  = array();
		foreach ( $all_user_roles as $usr_role ) {
			$active_cache_users[ $usr_role ] = 0;
			if ( isset( $post_activate_cache[ $usr_role ] ) ) {
				$active_cache_users[ $usr_role ] = 1;
			}
		}

		$iframe_lazy_load   = ( isset( $post_item['bz-lazy-load-iframe'] ) ? '1' : '0' );
		$iframe_lazy_videos = ( isset( $post_item['bz-lazy-load-videos'] ) ? '1' : '0' );
		$lazy_load          = ( isset( $post_item['bz-lazy-load'] ) ? '1' : '0' );
		if ( false === filter_var( $lazy_load, FILTER_VALIDATE_BOOLEAN ) ) {
			$iframe_lazy_load = '0';
		}

		$separate_mobile_cache_system = ( isset( $post_item['breeze-mobile-separate'] ) ? '1' : '0' );
		// The values for this work different on CW server.
		// Added exception.
		$is_cloudways_server = breeze_is_cloudways_server();
		if ( true === $is_cloudways_server ) {
			$mobile_cache_cw = is_breeze_mobile_cache( true );
			if ( true === $mobile_cache_cw ) {
				$separate_mobile_cache_system = '1';
			} else {
				$separate_mobile_cache_system = '0';
			}
		}

		$basic = array(
			'breeze-active'            => ( isset( $post_item['cache-system'] ) ? '1' : '0' ),
			'breeze-mobile-separate'   => $separate_mobile_cache_system,
			'breeze-cross-origin'      => ( isset( $post_item['safe-cross-origin'] ) ? '1' : '0' ),
			'breeze-disable-admin'     => $active_cache_users,
			'breeze-gzip-compression'  => ( isset( $post_item['gzip-compression'] ) ? '1' : '0' ),
			'breeze-browser-cache'     => ( isset( $post_item['browser-cache'] ) ? '1' : '0' ),
			'breeze-lazy-load'         => ( isset( $post_item['bz-lazy-load'] ) ? '1' : '0' ),
			'breeze-lazy-load-native'  => ( isset( $post_item['bz-lazy-load-nat'] ) ? '1' : '0' ),
			'breeze-lazy-load-iframes' => $iframe_lazy_load,
			'breeze-lazy-load-videos'  => $iframe_lazy_videos,
			'breeze-desktop-cache'     => '1',
			'breeze-mobile-cache'      => '1',
			'breeze-display-clean'     => '1',
			'breeze-b-ttl'             => (int) $post_item['cache-ttl'],
		);

		breeze_update_option( 'basic_settings', $basic, true );

		// Storage information to cache pages
		Breeze_ConfigCache::factory()->write();
		Breeze_ConfigCache::factory()->write_config_cache();

		// Turn on WP_CACHE to support advanced-cache file
		if ( isset( $post_item['cache-system'] ) ) {
			Breeze_ConfigCache::factory()->toggle_caching( true );
		} else {
			Breeze_ConfigCache::factory()->toggle_caching( false );
		}

		// Reschedule cron events
		if ( isset( $post_item['cache-system'] ) ) {
			Breeze_PurgeCacheTime::factory()->unschedule_events();
			Breeze_PurgeCacheTime::factory()->schedule_events( (int) $post_item['cache-ttl'] );
		}
		// Add expires header
		self::update_htaccess();

		//delete cache after settings
		do_action( 'breeze_clear_all_cache' );

		wp_send_json( $response );
	}

	/**
	 * Save the File optimisation tab settings via Ajax call.
	 *
	 * @access public
	 * @since 2.0.0
	 */
	public function update_options_for_file() {
		breeze_is_restricted_access();
		check_ajax_referer( '_breeze_save_options', 'security' );

		set_as_network_screen();

		$wp_filesystem = breeze_get_filesystem();

		$response  = array();
		$post_item = array();

		if ( isset( $_POST['form-data'] ) ) {
			parse_str( wp_unslash( $_POST['form-data'] ), $post_item );
		}

		$exclude_css = $this->string_convert_arr( sanitize_textarea_field( $post_item['exclude-css'] ) );
		$exclude_js  = $this->string_convert_arr( sanitize_textarea_field( $post_item['exclude-js'] ) );
		$no_delay_js = $this->string_convert_arr( sanitize_textarea_field( $post_item['no-delay-js-scripts'] ) );
		$delay_js    = $this->string_convert_arr( sanitize_textarea_field( $post_item['delay-js-scripts'] ) );

		if ( ! empty( $exclude_js ) ) {
			$exclude_js = array_unique( $exclude_js );
		}

		if ( ! empty( $no_delay_js ) ) {
			$no_delay_js = array_unique( $no_delay_js );
		}

		if ( ! empty( $delay_js ) ) {
			$delay_js = array_unique( $delay_js );
		}

		if ( ! empty( $exclude_css ) ) {
			$exclude_css = array_unique( $exclude_css );
		}

		$move_to_footer_js = $defer_js = array();

		if ( ! empty( $post_item['move-to-footer-js'] ) ) {
			foreach ( $post_item['move-to-footer-js'] as $url ) {
				if ( trim( $url ) == '' ) {
					continue;
				}
				$url = current( explode( '?', $url, 2 ) );
				$move_to_footer_js[ sanitize_text_field( $url ) ] = sanitize_text_field( $url );
			}
		}

		if ( ! empty( $post_item['defer-js'] ) ) {
			foreach ( $post_item['defer-js'] as $url ) {
				if ( trim( $url ) == '' ) {
					continue;
				}
				$url                                     = current( explode( '?', $url, 2 ) );
				$defer_js[ sanitize_text_field( $url ) ] = sanitize_text_field( $url );
			}
		}

		$is_minification_js        = ( isset( $post_item['minification-js'] ) ? '1' : '0' );
		$is_inline_minification_js = ( isset( $post_item['include-inline-js'] ) ? '1' : '0' );
		$is_group_js               = ( isset( $post_item['group-js'] ) ? '1' : '0' );

		if ( 0 === absint( $is_minification_js ) || 0 === absint( $is_inline_minification_js ) ) {
			//$is_group_js = '0';
		}

		$file_settings = array(
			'breeze-minify-html'        => ( isset( $post_item['minification-html'] ) ? '1' : '0' ),
			// --
			'breeze-minify-css'         => ( isset( $post_item['minification-css'] ) ? '1' : '0' ),
			'breeze-font-display-swap'  => ( isset( $post_item['font-display'] ) ? '1' : '0' ),
			'breeze-group-css'          => ( isset( $post_item['group-css'] ) ? '1' : '0' ),
			'breeze-exclude-css'        => $exclude_css,
			'breeze-include-inline-css' => ( isset( $post_item['include-inline-css'] ) ? '1' : '0' ),
			// --
			'breeze-minify-js'          => $is_minification_js,
			'breeze-group-js'           => $is_group_js,
			'breeze-include-inline-js'  => $is_inline_minification_js,
			'breeze-exclude-js'         => $exclude_js,
			'breeze-move-to-footer-js'  => $move_to_footer_js,
			'breeze-defer-js'           => $defer_js,
			'breeze-enable-js-delay'    => ( isset( $post_item['enable-js-delay'] ) ? '1' : '0' ),
			'breeze-delay-js-scripts'   => $delay_js,
			'no-breeze-no-delay-js'     => $no_delay_js,
			'breeze-delay-all-js'       => ( isset( $post_item['breeze-delay-all-js'] ) ? '1' : '0' ),
		);

		breeze_update_option( 'file_settings', $file_settings, true );

		// Storage information to cache pages.
		Breeze_ConfigCache::factory()->write();
		Breeze_ConfigCache::factory()->write_config_cache();

		// Delete cache after settings
		do_action( 'breeze_clear_all_cache' );

		wp_send_json( $response );
	}

	/**
	 * Save the Preload option settings via Ajax call.
	 *
	 * @access public
	 * @since 2.0.0
	 */
	public function update_options_for_preload() {
		breeze_is_restricted_access();
		check_ajax_referer( '_breeze_save_options', 'security' );
		set_as_network_screen();

		$wp_filesystem = breeze_get_filesystem();

		$response      = array();
		$preload_fonts = array();
		$post_item     = array();

		if ( isset( $_POST['form-data'] ) ) {
			parse_str( wp_unslash( $_POST['form-data'] ), $post_item );
		}

		if ( isset( $post_item['breeze-preload-font'] ) && ! empty( $post_item['breeze-preload-font'] ) ) {
			foreach ( $post_item['breeze-preload-font'] as $font_url ) {
				if ( '' === trim( $font_url ) ) {
					continue;
				}
				$font_url = current( explode( '?', $font_url, 2 ) );
				$preload_fonts[ sanitize_text_field( $font_url ) ] = sanitize_text_field( $font_url );
			}
		}

		$prefetch_urls = $this->string_convert_arr( sanitize_textarea_field( $post_item['br-prefetch-urls'] ) );
		if ( ! empty( $prefetch_urls ) ) {
			$prefetch_urls = array_unique( $prefetch_urls );
			// ltrim( $current_url, 'https:' )
			foreach ( $prefetch_urls as &$url_prefetch ) {
				//$url_prefetch = ltrim( $url_prefetch, 'https:' );
				$link_schema = wp_parse_url( $url_prefetch );
				if ( isset( $link_schema['host'] ) ) {
					$url_prefetch = '//' . $link_schema['host'];
				} else {
					unset( $url_prefetch );
				}
			}
		}

		$preload = array(
			'breeze-preload-fonts' => $preload_fonts,
			'breeze-preload-links' => ( isset( $post_item['preload-links'] ) ? '1' : '0' ),
			'breeze-prefetch-urls' => $prefetch_urls,
		);

		breeze_update_option( 'preload_settings', $preload, true );

		// Storage information to cache pages.
		Breeze_ConfigCache::factory()->write();
		Breeze_ConfigCache::factory()->write_config_cache();

		// Delete cache after settings
		do_action( 'breeze_clear_all_cache' );

		wp_send_json( $response );
	}

	/**
	 * Save the Advanced option settings via Ajax call.
	 *
	 * @access public
	 * @throws Exception
	 * @since 2.0.0
	 */
	public function update_options_for_advanced() {
		breeze_is_restricted_access();
		check_ajax_referer( '_breeze_save_options', 'security' );
		set_as_network_screen();

		$wp_filesystem = breeze_get_filesystem();

		$response  = array();
		$post_item = array();
		if ( isset( $_POST['form-data'] ) ) {
			parse_str( wp_unslash( $_POST['form-data'] ), $post_item );
		}

		$exclude_urls = $this->string_convert_arr( isset( $post_item['exclude-urls'] ) ? $post_item['exclude-urls'] : '' );
		if ( is_array( $exclude_urls ) && ! empty( $exclude_urls ) ) {
			foreach ( $exclude_urls as &$url_list_item ) {
				if ( false === strpos( $url_list_item, ':' ) ) {
					$url_list_item = esc_url( '/' . $url_list_item );
					$url_list_item = ltrim( $url_list_item, '/' );
				} else {
					$url_list_item = esc_url( $url_list_item );
				}
			}
		}

		$cache_query_str  = $this->string_convert_arr( sanitize_textarea_field( $post_item['cache-query-str'] ) );
		$breeze_api_token = $post_item['breeze-api-token'];
		if ( ! empty( $exclude_urls ) ) {
			$exclude_urls = array_unique( $exclude_urls );
		}
		if ( ! empty( $cache_query_str ) ) {
			$cache_query_str = array_unique( $cache_query_str );
		}
		if ( empty( $breeze_api_token ) ) {
			$breeze_api_token = self::breeze_generate_token();
		}

		$advanced = array(
			'breeze-exclude-urls'                  => $exclude_urls,
			'cached-query-strings'                 => $cache_query_str,
			'breeze-wp-emoji'                      => ( isset( $post_item['breeze-wpjs-emoji'] ) ? '1' : '0' ),
			'breeze-store-googlefonts-locally'     => ( isset( $post_item['breeze-store-googlefonts-locally'] ) ? '1' : '0' ),
			'breeze-store-googleanalytics-locally' => ( isset( $post_item['breeze-store-googleanalytics-locally'] ) ? '1' : '0' ),
			'breeze-store-facebookpixel-locally'   => ( isset( $post_item['breeze-store-facebookpixel-locally'] ) ? '1' : '0' ),
			'breeze-store-gravatars-locally'       => ( isset( $post_item['breeze-store-gravatars-locally'] ) ? '1' : '0' ),
			'breeze-enable-api'                    => ( isset( $post_item['breeze-enable-api'] ) ? '1' : '0' ),
			'breeze-api-token'                     => sanitize_text_field( $breeze_api_token ),
		);

        if ( !empty( $breeze_api_token ) && true === $this->is_api_token_valid( $breeze_api_token ) ) {
            $advanced['breeze-api-token'] = sanitize_text_field($breeze_api_token);
        }else{
            $current_token = Breeze_Options_Reader::get_option_value( 'breeze-api-token' );
            if( !empty( $current_token ) ){
                $advanced['breeze-api-token'] = sanitize_text_field($current_token);
            }
        }

		breeze_update_option( 'advanced_settings', $advanced, true );

		// Storage information to cache pages.
		Breeze_ConfigCache::factory()->write();
		Breeze_ConfigCache::factory()->write_config_cache();

		// Delete cache after settings
		do_action( 'breeze_clear_all_cache' );

		wp_send_json( $response );
	}

    public function is_api_token_valid($provided_token){
        if ( strlen( $provided_token ) < 32 ) {
            return false;
        }
        return true;
    }

	/**
	 *  Save the Heartbeat API settings via Ajax call.
	 *
	 * @access public
	 * @since 2.0.0
	 */
	public function update_options_for_heartbeat() {
		breeze_is_restricted_access();
		check_ajax_referer( '_breeze_save_options', 'security' );
		set_as_network_screen();

		$wp_filesystem = breeze_get_filesystem();

		$response  = array();
		$post_item = array();
		if ( isset( $_POST['form-data'] ) ) {
			parse_str( wp_unslash( $_POST['form-data'] ), $post_item );
		}

		$heartbeat = array(
			'breeze-control-heartbeat'  => ( isset( $post_item['breeze-control-hb'] ) ? '1' : '0' ),
			'breeze-heartbeat-front'    => sanitize_textarea_field( $post_item['br-heartbeat-front'] ),
			'breeze-heartbeat-postedit' => sanitize_textarea_field( $post_item['br-heartbeat-postedit'] ),
			'breeze-heartbeat-backend'  => sanitize_textarea_field( $post_item['br-heartbeat-backend'] ),
		);

		breeze_update_option( 'heartbeat_settings', $heartbeat, true );

		// Storage information to cache pages.
		Breeze_ConfigCache::factory()->write();
		Breeze_ConfigCache::factory()->write_config_cache();

		// Delete cache after settings
		do_action( 'breeze_clear_all_cache' );

		wp_send_json( $response );
	}

	/**
	 * Database tab only has actions for now and it will not save anything.
	 *
	 * @access public
	 * @since 2.0.0
	 */
	public function update_options_for_database() {
		// Does not have anything to save.
	}

	/**
	 * Save the CDN option settings via Ajax call.
	 *
	 * @access public
	 * @since 2.0.0
	 */
	public function update_options_for_cdn() {
		breeze_is_restricted_access();
		check_ajax_referer( '_breeze_save_options', 'security' );
		set_as_network_screen();

		$wp_filesystem = breeze_get_filesystem();

		$response  = array();
		$post_item = array();
		if ( isset( $_POST['form-data'] ) ) {
			parse_str( wp_unslash( $_POST['form-data'] ), $post_item );
		}

		$cdn_content     = array();
		$exclude_content = array();
		if ( ! empty( $post_item['cdn-content'] ) ) {
			$cdn_content = explode( ',', sanitize_text_field( $post_item['cdn-content'] ) );
			$cdn_content = array_unique( $cdn_content );
		}
		if ( ! empty( $post_item['cdn-exclude-content'] ) ) {
			$exclude_content = explode( ',', sanitize_text_field( $post_item['cdn-exclude-content'] ) );
			$exclude_content = array_unique( $exclude_content );
		}

		$cdn_url = ( isset( $post_item['cdn-url'] ) ? sanitize_text_field( $post_item['cdn-url'] ) : '' );
		if ( ! empty( $cdn_url ) ) {
			$http_schema = wp_parse_url( $cdn_url, PHP_URL_SCHEME );

			$cdn_url = ltrim( $cdn_url, 'https:' );
			$cdn_url = '//' . ltrim( $cdn_url, '//' );

			if ( ! empty( $http_schema ) ) {
				$cdn_url = $http_schema . ':' . $cdn_url;
			}
		}

		$cdn = array(
			'cdn-active'          => ( isset( $post_item['activate-cdn'] ) ? '1' : '0' ),
			'cdn-url'             => $cdn_url,
			'cdn-content'         => $cdn_content,
			'cdn-exclude-content' => $exclude_content,
			'cdn-relative-path'   => ( isset( $post_item['cdn-relative-path'] ) ? '1' : '0' ),
		);

		breeze_update_option( 'cdn_integration', $cdn, true );

		// Storage information to cache pages.
		Breeze_ConfigCache::factory()->write();
		Breeze_ConfigCache::factory()->write_config_cache();

		// Delete cache after settings
		do_action( 'breeze_clear_all_cache' );

		wp_send_json( $response );
	}

	/**
	 * Tools tab has not options that need save here.
	 *
	 * @access public
	 * @since 2.0.0
	 */
	public function update_options_for_tools() {
		// Does not have anything to save.
	}

	/**
	 * FAQ does not have any options to save, text information only.
	 *
	 * @access public
	 * @since 2.0.0
	 */
	public function update_options_for_faq() {
		// Does not have anything to save.
	}

	/**
	 * FAQ does not have any options to save, text information only.
	 *
	 * @access public
	 * @since 2.0.0
	 */
	public function update_options_for_inherit() {
		breeze_is_restricted_access();
		// Does not have anything to save.
		check_ajax_referer( 'breeze_inherit_settings', 'security' );

		set_as_network_screen();

		$wp_filesystem = breeze_get_filesystem();

		$response         = array();
		$inherit_settings = ( ( true === filter_var( $_POST['is-selected'], FILTER_VALIDATE_BOOLEAN ) ) ? '1' : '0' );

		update_option( 'breeze_inherit_settings', $inherit_settings );
		Breeze_ConfigCache::factory()->write();
		Breeze_ConfigCache::factory()->write_config_cache();

		// Delete cache after settings
		do_action( 'breeze_clear_all_cache' );

		wp_send_json( $response );
	}


	/**
	 * Trigger update to htaccess file.
	 *
	 * @param bool $clean If true, will clear custom .htaccess rules.
	 *
	 * @return bool
	 */
	public static function update_htaccess( bool $clean = false ): bool {
		$htaccess_init = new Breeze_Htaccess_Settings();

		if ( $clean ) {
			$htaccess_init->update_gzip_htaccess( true );
			$htaccess_init->update_expires_htaccess( true );

			return true;
		}

		if ( is_multisite() ) {
			$htaccess_init->update_gzip_htaccess( $clean );
			$htaccess_init->update_expires_htaccess( $clean );

				return true;
		} else {
			// Single-site setup.
			if ( '1' === Breeze_Options_Reader::get_option_value( 'breeze-active' ) ) {
				$is_gzip   = Breeze_Options_Reader::get_option_value( 'breeze-gzip-compression' );
				$is_expire = Breeze_Options_Reader::get_option_value( 'breeze-browser-cache' );

				$is_gzip   = ! filter_var( $is_gzip, FILTER_VALIDATE_BOOLEAN );
				$is_expire = ! filter_var( $is_expire, FILTER_VALIDATE_BOOLEAN );

				$htaccess_init->update_gzip_htaccess( $is_gzip );
				$htaccess_init->update_expires_htaccess( $is_expire );

				return true;
			} else {
				// Caching not activated, clean up.
				$htaccess_init->update_gzip_htaccess( true );
				$htaccess_init->update_expires_htaccess( true );

				return true;
			}
		}
	}

	/**
	 * Database optimization actions.
	 * Used to clean the database.
	 *
	 * Changed completely in 2.0.0
	 *
	 * @param string $type Optimization type.
	 *
	 * @return bool
	 * @since 2.0.0
	 */
	public static function clean_system( $type = '' ) {
		global $wpdb;

		set_as_network_screen();
		$return_value = true;

		switch ( $type ) {
			case 'revisions':
				/**
				 * Delete all revisions using WP_Query and wp_delete_post_revision
				 */
				$revisions_query = new WP_Query(
					array(
						'post_type'      => 'revision',
						'post_status'    => 'inherit',
						'posts_per_page' => -1,
						'fields'         => 'ids',
					)
				);

				if ( $revisions_query->have_posts() ) {
					foreach ( $revisions_query->posts as $post_id ) {
						$post_id = intval( $post_id );
						if ( 0 !== $post_id ) {
							wp_delete_post_revision( $post_id );
						}
					}
				}
				wp_reset_postdata();
				// Clear cache after cleaning
				wp_cache_delete( 'breeze_clean_count_revisions', 'breeze_database' );
				break;
			case 'drafted':
				/**
				 * Delete all draft entries using WP_Query and wp_delete_post
				 */
				$drafts_query = new WP_Query(
					array(
						'post_status'    => 'auto-draft',
						'posts_per_page' => -1,
						'fields'         => 'ids',
					)
				);

				if ( $drafts_query->have_posts() ) {
					foreach ( $drafts_query->posts as $post_id ) {
						$post_id = intval( $post_id );
						if ( 0 !== $post_id ) {
							wp_delete_post( $post_id, true );
						}
					}
				}
				wp_reset_postdata();
				wp_cache_delete( 'breeze_clean_count_drafted', 'breeze_database' );
				break;
			case 'trash':
				/**
				 * Delete all trashed posts/pages using WP_Query and wp_delete_post
				 */
				$trash_query = new WP_Query(
					array(
						'post_status'    => 'trash',
						'posts_per_page' => -1,
						'fields'         => 'ids',
					)
				);

				if ( $trash_query->have_posts() ) {
					foreach ( $trash_query->posts as $post_id ) {
						$post_id = intval( $post_id );
						if ( 0 !== $post_id ) {
							wp_delete_post( $post_id, true );
						}
					}
				}
				wp_reset_postdata();
				wp_cache_delete( 'breeze_clean_count_trash', 'breeze_database' );
				break;
			case 'comments_trash':
				/**
				 * Delete all trashed comments using get_comments and wp_delete_comment
				 */
				$comments_trashed = get_comments(
					array(
						'status' => array( 'trash', 'post-trashed' ),
						'fields' => 'ids',
					)
				);

				if ( ! empty( $comments_trashed ) ) {
					foreach ( $comments_trashed as $comment_id ) {
						$comment_id = intval( $comment_id );
						if ( 0 !== $comment_id ) {
							wp_delete_comment( $comment_id, true );
						}
					}
				}
				wp_cache_delete( 'breeze_clean_count_comments_trash', 'breeze_database' );
				break;
			case 'comments_spam':
				/**
				 * Delete all spam comments using get_comments and wp_delete_comment
				 */
				$comments_spam = get_comments(
					array(
						'status' => 'spam',
						'fields' => 'ids',
					)
				);

				if ( ! empty( $comments_spam ) ) {
					foreach ( $comments_spam as $comment_id ) {
						$comment_id = intval( $comment_id );
						if ( 0 !== $comment_id ) {
							wp_delete_comment( $comment_id, true );
						}
					}
				}
				wp_cache_delete( 'breeze_clean_count_comments_spam', 'breeze_database' );
				break;
			case 'trackbacks':
				/**
				 * Delete all Track-back and Ping-back comments using get_comments
				 */
				$comments_trackback = get_comments(
					array(
						'type'   => array( 'trackback', 'pingback' ),
						'fields' => 'ids',
					)
				);

				if ( ! empty( $comments_trackback ) ) {
					foreach ( $comments_trackback as $comment_id ) {
						$comment_id = intval( $comment_id );
						if ( 0 !== $comment_id ) {
							wp_delete_comment( $comment_id, true );
						}
					}
				}
				wp_cache_delete( 'breeze_clean_count_trackbacks', 'breeze_database' );
				break;
			case 'transient':
				/**
				 * Delete all Transients.
				 */
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$all_transients = $wpdb->get_col(
				/* translators: comment type, comment type */
					$wpdb->prepare(
						"SELECT option_name FROM $wpdb->options WHERE option_name LIKE %s OR option_name LIKE %s",
						$wpdb->esc_like( '_transient_' ) . '%',
						$wpdb->esc_like( '_site_transient_' ) . '%'
					)
				);
				if ( ! empty( $all_transients ) ) {
					foreach ( $all_transients as $transient ) {
						if ( strpos( $transient, '_site_transient_' ) !== false ) {
							$transient_name = str_replace( '_site_transient_', '', $transient );
							$is_deleted     = delete_site_transient( $transient_name );
						} else {
							$transient_name = str_replace( '_transient_', '', $transient );
							$is_deleted     = delete_transient( $transient_name );
						}
					}
					//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
					$data_sql = $wpdb->query(
						$wpdb->prepare(
							"DELETE FROM `$wpdb->options` WHERE `option_name` LIKE %s OR `option_name` LIKE %s",
							$wpdb->esc_like( '_transient_' ) . '%',
							$wpdb->esc_like( '_site_transient_' ) . '%'
						)
					);

				}
				wp_cache_delete( 'breeze_clean_count_transient', 'breeze_database' );
				break;
			case 'orphan_post_meta':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$the_query = $wpdb->get_results( "SELECT post_id, meta_key FROM $wpdb->postmeta WHERE post_id NOT IN (SELECT ID FROM $wpdb->posts)" );
				if ( $the_query ) {
					foreach ( $the_query as $orphan_data ) {
						$post_id = (int) $orphan_data->post_id;
						// if $post_id is equal to zero then the entry was bugged/bad code, we delete the entry only
						if ( 0 === $post_id ) {
							// Direct query required for orphan meta cleanup - no WP equivalent exists.
                            // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
							$wpdb->query(
								$wpdb->prepare( "DELETE FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = %s", $post_id, $orphan_data->meta_key )
							);
						} else {
							// If post ID exists, we can use WordPress function to delete the meta.
							delete_post_meta( $post_id, $orphan_data->meta_key );
						}
					}
				}
				wp_cache_delete( 'breeze_clean_count_orphan_post_meta', 'breeze_database' );
				break;
			case 'oembed_cache':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$the_query = $wpdb->get_results( $wpdb->prepare( "SELECT post_id, meta_key FROM $wpdb->postmeta WHERE meta_key LIKE(%s)", '%_oembed_%' ) );
				if ( $the_query ) {
					foreach ( $the_query as $post_meta_data ) {
						$post_id = (int) $post_meta_data->post_id;
						//  if $post_id is equal to zero then the entry was bugged/bad code, we delete the entry only.
						// Entries with zero value as $post_id are basically orphaned entries by default.
						if ( 0 === $post_id ) {
							// Direct query required for oembed cache cleanup - no WP equivalent exists.
                            // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
							$wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = %s", $post_id, $post_meta_data->meta_key ) );
						} else {
							// If $post_id ID exists, we can use WordPress function to delete the meta.
							delete_post_meta( $post_id, $post_meta_data->meta_key );
						}
					}
				}
				wp_cache_delete( 'breeze_clean_count_oembed_cache', 'breeze_database' );
				break;
			case 'duplicated_post_meta':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$the_query = $wpdb->get_results( $wpdb->prepare( "SELECT GROUP_CONCAT(meta_id ORDER BY meta_id DESC) AS meta_ids, post_id, COUNT(*) AS count FROM $wpdb->postmeta GROUP BY post_id, meta_key, meta_value HAVING count > %d", 1 ) );
				if ( $the_query ) {
					foreach ( $the_query as $post_meta ) {
						$post_meta_id_list = array_map( 'absint', explode( ',', $post_meta->meta_ids ) );
						// We need to make sure that at least one entry is remaining.
						array_pop( $post_meta_id_list );
						$implode_id_list = implode( ',', $post_meta_id_list );
						// Direct query required for duplicate meta cleanup - no WP equivalent exists.
                        // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
						$wpdb->query(
							$wpdb->prepare( "DELETE FROM $wpdb->postmeta WHERE meta_id IN ({$implode_id_list}) AND post_id = %d", $post_meta->post_id ) // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
						);
					}
				}
				wp_cache_delete( 'breeze_clean_count_duplicated_post_meta', 'breeze_database' );
				break;
			case 'comments_unapproved':
				/**
				 * Delete unapproved comments using get_comments and wp_delete_comment
				 */
				$the_query = get_comments(
					array(
						'status' => 'hold',
						'fields' => 'ids',
					)
				);

				if ( $the_query ) {
					foreach ( $the_query as $comment_id ) {
						// it's best to use WP delete function.
						wp_delete_comment( (int) $comment_id, true );
					}
				}
				wp_cache_delete( 'breeze_clean_count_comments_unapproved', 'breeze_database' );
				break;
			case 'comments_orphan_meta':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$the_query = $wpdb->get_results( $wpdb->prepare( "SELECT comment_id, meta_key FROM $wpdb->commentmeta WHERE comment_id NOT IN (SELECT comment_ID FROM $wpdb->comments)", '' ) ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
				if ( $the_query ) {
					foreach ( $the_query as $orphan_data ) {
						$comment_id = (int) $orphan_data->comment_id;
						//  if $comment_id is equal to zero then the entry was bugged/bad code, we delete the entry only.
						if ( 0 === $comment_id ) {
							// Direct query required for orphan comment meta cleanup - no WP equivalent exists.
                            // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
							$wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->commentmeta WHERE comment_id = %d AND meta_key = %s", $comment_id, $orphan_data->meta_key ) );
						} else {
							// If $comment_id ID exists, we can use WordPress function to delete the meta.
							delete_comment_meta( $comment_id, $orphan_data->meta_key );
						}
					}
				}
				wp_cache_delete( 'breeze_clean_count_comments_orphan_meta', 'breeze_database' );
				break;
			case 'comments_duplicate_meta':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$the_query = $wpdb->get_results( $wpdb->prepare( "SELECT GROUP_CONCAT(meta_id ORDER BY meta_id DESC) AS comment_ids, comment_id, COUNT(*) AS count FROM $wpdb->commentmeta GROUP BY comment_id, meta_key, meta_value HAVING count > %d", 1 ) );
				if ( $the_query ) {
					foreach ( $the_query as $comment_meta ) {
						$comment_meta_id_list = array_map( 'absint', explode( ',', $comment_meta->comment_ids ) );
						// We need to make sure that at least one entry is remaining.
						array_pop( $comment_meta_id_list );
						if ( ! empty( $comment_meta_id_list ) ) {
							$placeholders = implode( ',', array_fill( 0, count( $comment_meta_id_list ), '%d' ) );
							// Direct query required for duplicate comment meta cleanup - no WP equivalent exists.
                            // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
							$wpdb->query(
								$wpdb->prepare(
									"DELETE FROM $wpdb->commentmeta WHERE meta_id IN ($placeholders) AND comment_id = %d", // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
									array_merge( $comment_meta_id_list, array( $comment_meta->comment_id ) )
								)
							);
						}
					}
				}
				wp_cache_delete( 'breeze_clean_count_comments_duplicate_meta', 'breeze_database' );
				break;
			case 'expired_transients':
				// get current PHP time, offset by a minute to avoid clashes with other tasks
				//$threshold = current_time( 'timestamp' ) - MINUTE_IN_SECONDS; // phpcs:ignore
				$threshold = time() - MINUTE_IN_SECONDS; // phpcs:ignore
				// Delete expired transients, using the paired timeout record to find them

				/**
				 * Function was added in WP 4.9.0
				 */
				if ( function_exists( 'delete_expired_transients' ) ) {
					delete_expired_transients( true );
				}

				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$select_expired = $wpdb->get_results(
					$wpdb->prepare(
						"
						SELECT option_name
						FROM $wpdb->options
						WHERE (option_name LIKE %s OR option_name LIKE %s) AND CAST(option_value AS SIGNED) < %d
					",
						'\_transient\_timeout\_%',
						'\_site\_transient\_timeout\_%',
						$threshold
					)
				);

				foreach ( $select_expired as $expired_transient ) {
					$the_timer = $expired_transient->option_name;

					if ( strpos( $the_timer, '_site_transient_' ) !== false ) {
						$the_transient = str_replace( '_site_transient_timeout_', '_site_transient_', $the_timer );
					} else {
						$the_transient = str_replace( '_transient_timeout_', '_transient_', $the_timer );
					}
					//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
					$wpdb->get_var( $wpdb->prepare( "DELETE FROM $wpdb->options WHERE option_name = %s", $the_transient ) );
					//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
					$wpdb->get_var( $wpdb->prepare( "DELETE FROM $wpdb->options WHERE option_name = %s", $the_timer ) );
				}

				$is_network = false;

				if ( isset( $_GET['is-network'] ) ) {
					$is_network = filter_var( $_GET['is-network'], FILTER_VALIDATE_BOOLEAN );
				}

				if ( isset( $_POST['is-network'] ) ) {
					$is_network = filter_var( $_POST['is-network'], FILTER_VALIDATE_BOOLEAN );
				}

				if ( is_multisite() && true === $is_network ) {
					//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
					$select_expired = $wpdb->get_results(
						$wpdb->prepare(
							"SELECT meta_key FROM $wpdb->sitemeta WHERE ( meta_key LIKE %s OR meta_key LIKE %s ) AND UNIX_TIMESTAMP(meta_value) < UNIX_TIMESTAMP(NOW())",
							'\_transient\_timeout\_%',
							'\_site\_transient\_timeout\_%'
						)
					);

					foreach ( $select_expired as $expired_transient ) {
						$the_timer = $expired_transient->option_name;

						if ( strpos( $the_timer, '_site_transient_' ) !== false ) {
							$the_transient = str_replace( '_site_transient_timeout_', '_site_transient_', $the_timer );
						} else {
							$the_transient = str_replace( '_transient_timeout_', '_transient_', $the_timer );
						}

						$wpdb->prepare( "DELETE FROM $wpdb->sitemeta WHERE meta_key = %s", $the_transient );
						$wpdb->prepare( "DELETE FROM $wpdb->sitemeta WHERE meta_key = %s", $the_timer );
					}
				}

				break;
			case 'orphan_user_meta':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$the_query = $wpdb->get_results( "SELECT user_id, meta_key FROM $wpdb->usermeta WHERE user_id NOT IN (SELECT ID FROM $wpdb->users)" );
				if ( $the_query ) {
					foreach ( $the_query as $orphan_data ) {
						$user_id = (int) $orphan_data->user_id;
						//  if $user_id is equal to zero then the entry was bugged/bad code, we delete the entry only.
						if ( 0 === $user_id ) {
							//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
							$wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $orphan_data->meta_key ) );
						} else {
							// If $user_id ID exists, we can use WordPress function to delete the meta.
							delete_user_meta( $user_id, $orphan_data->meta_key );
						}
					}
				}
				break;
			case 'duplicated_user_meta':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$the_query = $wpdb->get_results( $wpdb->prepare( "SELECT GROUP_CONCAT(umeta_id ORDER BY umeta_id DESC) AS user_meta_ids, user_id, COUNT(*) AS count FROM $wpdb->usermeta GROUP BY user_id, meta_key, meta_value HAVING count > %d", 1 ) );
				if ( $the_query ) {
					foreach ( $the_query as $user_meta ) {
						$user_meta_id_list = array_map( 'absint', explode( ',', $user_meta->user_meta_ids ) );
						// We need to make sure that at least one entry is remaining.
						array_pop( $user_meta_id_list );
						$implode_id_list = implode( ',', $user_meta_id_list );
						//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
						$wpdb->query(
							$wpdb->prepare( "DELETE FROM $wpdb->usermeta WHERE umeta_id IN ({$implode_id_list}) AND user_id = %d", $user_meta->user_id ) // phpcs:ignore
						);
					}
				}
				break;
			case 'orphan_term_meta':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$the_query = $wpdb->get_results( "SELECT term_id, meta_key FROM $wpdb->termmeta WHERE term_id NOT IN (SELECT term_id FROM $wpdb->terms)" );
				if ( $the_query ) {
					foreach ( $the_query as $orphan_data ) {
						$term_id = (int) $orphan_data->term_id;
						//  if $term_id is equal to zero then the entry was bugged/bad code, we delete the entry only.
						if ( 0 === $term_id ) {
							//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
							$wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->termmeta WHERE term_id = %d AND meta_key = %s", $term_id, $orphan_data->meta_key ) );
						} else {
							// If $term_id ID exists, we can use WordPress function to delete the meta.
							delete_term_meta( $term_id, $orphan_data->meta_key );
						}
					}
				}
				break;
			case 'duplicated_term_meta':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$the_query = $wpdb->get_results( $wpdb->prepare( "SELECT GROUP_CONCAT(meta_id ORDER BY meta_id DESC) AS term_meta_ids, term_id, COUNT(*) AS count FROM $wpdb->termmeta GROUP BY term_id, meta_key, meta_value HAVING count > %d", 1 ) );
				if ( $the_query ) {
					foreach ( $the_query as $term_meta ) {
						$term_meta_id_list = array_map( 'absint', explode( ',', $term_meta->term_meta_ids ) );
						// We need to make sure that at least one entry is remaining.
						array_pop( $term_meta_id_list );
						$implode_id_list = implode( ',', $term_meta_id_list );
						//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
						$wpdb->query(
							$wpdb->prepare( "DELETE FROM $wpdb->termmeta WHERE meta_id IN ({$implode_id_list}) AND term_id = %d", $term_meta->term_id ) // phpcs:ignore
						);
					}
				}
				break;
			case 'optimize_database':
				$all_db_tables   = array();
				$total_of_tables = 0;
				if ( defined( 'WP_NETWORK_ADMIN' ) || ! is_multisite() ) {
					// Direct query required for schema inspection - no WP equivalent exists.
                    // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
					$sql_get = $wpdb->get_results(
						$wpdb->prepare( 'SELECT `TABLE_NAME` FROM INFORMATION_SCHEMA.TABLES WHERE `TABLE_SCHEMA`=%s AND (`ENGINE`=%s OR `ENGINE`=%s OR `ENGINE`=%s)', DB_NAME, 'InnoDB', 'MyISAM', 'ARCHIVE' )
					);
					if ( $sql_get ) {
						foreach ( $sql_get as $db_table ) {
							$all_db_tables[] = $db_table->TABLE_NAME;
						}
						$total_of_tables = count( $all_db_tables );
					}
				} else {
					$blog_id = (int) $wpdb->blogid;
					if ( 1 === $blog_id ) {
						// Direct query required for schema inspection - no WP equivalent exists.
                        // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
						$sql_get    = $wpdb->get_results(
							$wpdb->prepare( 'SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE `TABLE_SCHEMA`=%s AND (`ENGINE`=%s OR `ENGINE`=%s OR `ENGINE`=%s)', DB_NAME, 'InnoDB', 'MyISAM', 'ARCHIVE' ),
							OBJECT
						);
						$table_list = '';
						if ( $sql_get ) {
							foreach ( $sql_get as $db_table ) {
								$table_list .= "{$db_table->TABLE_NAME}\n";
							}
							preg_match_all( '/(wp_[^_\d_].*)/i', $table_list, $tables_list );

							if ( isset( $tables_list[0] ) && ! empty( $tables_list[0] ) ) {
								$all_db_tables = $tables_list[0];
							}
							$total_of_tables = count( $all_db_tables );
						}
					} else {
						// Direct query required for schema inspection - no WP equivalent exists.
                        // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
						$sql_get = $wpdb->get_results(
							$wpdb->prepare( 'SELECT `TABLE_NAME` FROM INFORMATION_SCHEMA.TABLES WHERE `TABLE_SCHEMA`=%s AND (`ENGINE`=%s OR `ENGINE`=%s OR `ENGINE`=%s) AND `TABLE_NAME` LIKE %s', DB_NAME, 'InnoDB', 'MyISAM', 'ARCHIVE', $wpdb->prefix . '%' )
						);
						if ( $sql_get ) {
							foreach ( $sql_get as $db_table ) {
								$all_db_tables[] = $db_table->TABLE_NAME;
							}
							$total_of_tables = count( $all_db_tables );
						}
					}
				}

				if ( ! isset( $_POST['db_count'] ) ) {
					$db_count = 0;
				} else {
					$db_count = absint( $_POST['db_count'] );
				}

				$only_these_tables = array_chunk( $all_db_tables, 50, true );

				if ( isset( $only_these_tables[ $db_count ] ) ) {

					// Sanitize and validate table names by ensuring they exist in the database.
					$valid_tables = array();
					foreach ( $only_these_tables[ $db_count ] as $table ) {
						// Remove any characters that aren't alphanumeric, underscore, or hyphen.
						$sanitized = preg_replace( '/[^a-zA-Z0-9_-]/', '', $table );

						// Verify table exists in database (additional security check).
                        // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
						$table_exists = $wpdb->get_var(
							$wpdb->prepare(
								'SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = %s AND TABLE_NAME = %s',
								DB_NAME,
								$sanitized
							)
						);

						if ( $table_exists ) {
							// Use esc_sql as an additional layer of protection for identifier.
							$valid_tables[] = esc_sql( $sanitized );
						}
					}

					if ( ! empty( $valid_tables ) ) {
						$tables = implode( ',', $valid_tables );

						// Direct query is required for table optimization - no WP equivalent exists.
						// Table names cannot be parameterized in SQL.
						// Sanitized via regex, validated against DB schema, and escaped.
                        // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
						$wpdb->query( "OPTIMIZE TABLE $tables" );
					}
				}
				++$db_count;
				if ( isset( $only_these_tables[ $db_count ] ) ) {
					$return_value = array(
						'optmize_no' => $db_count,
						'db_total'   => $total_of_tables,
					);
				} else {
					$return_value = true;
				}

				break;
		}

		return $return_value;
	}

	/**
	 * Returns the count of each section in the Database tab.
	 *
	 * Changed completely in 2.0.0
	 *
	 * @param string $type
	 *
	 * @return int
	 * @since 2.0.0
	 */
	public static function get_element_to_clean( $type = '' ) {
		global $wpdb;
		$return = 0;

		// Create a cache key based on the type
		$cache_key   = 'breeze_clean_count_' . $type;
		$cache_group = 'breeze_database';

		// Try to get from cache first
		$cached_value = wp_cache_get( $cache_key, $cache_group );
		if ( false !== $cached_value ) {
			return (int) $cached_value;
		}

		switch ( $type ) {
			case 'revisions':
				// Use WP_Query instead of direct database query
				$revisions_query = new WP_Query(
					array(
						'post_type'      => 'revision',
						'post_status'    => 'inherit',
						'posts_per_page' => -1,
						'fields'         => 'ids',
						'no_found_rows'  => false,
					)
				);
				$return          = $revisions_query->found_posts;
				wp_reset_postdata();
				break;
			case 'drafted':
				// Use WP_Query instead of direct database query
				$drafts_query = new WP_Query(
					array(
						'post_status'    => 'auto-draft',
						'posts_per_page' => -1,
						'fields'         => 'ids',
						'no_found_rows'  => false,
					)
				);
				$return       = $drafts_query->found_posts;
				wp_reset_postdata();
				break;
			case 'trash':
				// Use WP_Query instead of direct database query
				$trash_query = new WP_Query(
					array(
						'post_status'    => 'trash',
						'posts_per_page' => -1,
						'fields'         => 'ids',
						'no_found_rows'  => false,
					)
				);
				$return      = $trash_query->found_posts;
				wp_reset_postdata();
				break;
			case 'comments_trash':
				// Use get_comments instead of direct database query
				$return = get_comments(
					array(
						'status' => array( 'trash', 'post-trashed' ),
						'count'  => true,
					)
				);
				break;
			case 'comments_spam':
				// Use get_comments instead of direct database query
				$return = get_comments(
					array(
						'status' => 'spam',
						'count'  => true,
					)
				);
				break;
			case 'trackbacks':
				// Use get_comments instead of direct database query
				$return = get_comments(
					array(
						'type'  => array( 'trackback', 'pingback' ),
						'count' => true,
					)
				);
				break;
			case 'transient':
				// Direct query required to count transients - no WP equivalent exists.
                // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$return = $wpdb->get_var(
				/* translators: comment type, comment type */
					$wpdb->prepare(
						"SELECT COUNT(*) FROM $wpdb->options WHERE option_name LIKE %s OR option_name LIKE %s",
						$wpdb->esc_like( '_transient' ) . '%',
						$wpdb->esc_like( '_site_transient_' ) . '%'
					)
				);

				break;
			// Added after 2.0.7
			case 'comments_unapproved':
				// Use get_comments instead of direct database query
				$return = get_comments(
					array(
						'status' => 'hold',
						'count'  => true,
					)
				);
				break;
			case 'comments_orphan_meta':
				// Check for meta with no existing comment as parent.
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$return = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->commentmeta WHERE comment_id NOT IN (SELECT comment_ID FROM $wpdb->comments)" );
				break;
			case 'comments_duplicate_meta':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$return = $wpdb->get_var(
					$wpdb->prepare( "SELECT COUNT(meta_id) AS COUNT FROM $wpdb->commentmeta GROUP BY comment_id, meta_key, meta_value HAVING count > %d", 1 )
				);
				break;
			case 'orphan_post_meta':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$return = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->postmeta WHERE post_id NOT IN (SELECT ID FROM $wpdb->posts)" );
				break;
			case 'duplicated_post_meta':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$query = $wpdb->get_col( $wpdb->prepare( "SELECT COUNT(meta_id) AS COUNT FROM $wpdb->postmeta GROUP BY post_id, meta_key, meta_value HAVING count > %d", 1 ) );
				if ( is_array( $query ) ) {
					$return = array_sum( array_map( 'absint', $query ) );
				} else {
					$return = absint( $query );
				}
				break;
			case 'oembed_cache':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
				$return = $wpdb->get_var(
					$wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->postmeta WHERE meta_key LIKE(%s)", '%_oembed_%' )
				);
				break;
			case 'expired_transients':
				// get current PHP time, offset by a minute to avoid clashes with other tasks
				$threshold = time() - MINUTE_IN_SECONDS; // phpcs:ignore

				// count transient expiration records, expired
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
				$return = $wpdb->get_var(
					$wpdb->prepare(
						"
						SELECT COUNT(*)
						FROM $wpdb->options
						WHERE (option_name LIKE %s OR option_name LIKE %s) AND CAST(option_value AS SIGNED) < %d
					",
						'\_transient\_timeout\_%',
						'\_site\_transient\_timeout\_%',
						$threshold
					)
				);

				break;
			case 'orphan_user_meta':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
				$return = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->usermeta WHERE user_id NOT IN (SELECT ID FROM $wpdb->users)" );
				break;
			case 'duplicated_user_meta':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
				$query = $wpdb->get_col(
					$wpdb->prepare( "SELECT COUNT(umeta_id) AS count FROM $wpdb->usermeta GROUP BY user_id, meta_key, meta_value HAVING count > %d", 1 )
				);
				if ( is_array( $query ) ) {
					$return = array_sum( array_map( 'absint', $query ) );
				} else {
					$return = absint( $query );
				}
				break;
			case 'orphan_term_meta':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
				$return = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->termmeta WHERE term_id NOT IN (SELECT term_id FROM $wpdb->terms)" );
				break;
			case 'duplicated_term_meta':
				//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
				$query = $wpdb->get_var(
					$wpdb->prepare( "SELECT COUNT(meta_id) AS count FROM $wpdb->termmeta GROUP BY term_id, meta_key, meta_value HAVING count > %d", 1 )
				);

				if ( is_array( $query ) ) {
					$return = array_sum( array_map( 'absint', $query ) );
				} else {
					$return = absint( $query );
				}

				break;
			case 'optimize_database':
				if ( defined( 'WP_NETWORK_ADMIN' ) || ! is_multisite() ) {
					//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
					$return = $wpdb->get_var(
						$wpdb->prepare( 'SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES WHERE `TABLE_SCHEMA`=%s AND (`ENGINE`=%s OR `ENGINE`=%s OR `ENGINE`=%s)', DB_NAME, 'InnoDB', 'MyISAM', 'ARCHIVE' )
					);
				} else {
					$blog_id = (int) $wpdb->blogid;
					$return  = 0;
					if ( 1 === $blog_id ) {
						//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
						$sql_get    = $wpdb->get_results(
							$wpdb->prepare( 'SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE `TABLE_SCHEMA`=%s AND (`ENGINE`=%s OR `ENGINE`=%s OR `ENGINE`=%s)', DB_NAME, 'InnoDB', 'MyISAM', 'ARCHIVE' ),
							OBJECT
						);
						$table_list = '';
						if ( $sql_get ) {
							foreach ( $sql_get as $db_table ) {
								$table_list .= "{$db_table->TABLE_NAME}\n";
							}
							preg_match_all( '/(wp_[^_\d_].*)/i', $table_list, $tables_list );

							if ( isset( $tables_list[0] ) && ! empty( $tables_list[0] ) ) {
								$return = count( $tables_list[0] );
							}
						}
					} else {
						//phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
						$return = $wpdb->get_var(
							$wpdb->prepare( 'SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES WHERE `TABLE_SCHEMA`=%s AND (`ENGINE`=%s OR `ENGINE`=%s OR `ENGINE`=%s) AND `TABLE_NAME` LIKE %s', DB_NAME, 'InnoDB', 'MyISAM', 'ARCHIVE', $wpdb->prefix . '%' )
						);
					}
				}

				#$return  = count( $wpdb->get_col( 'SHOW TABLES' ) );
				break;
		}

		// Cache the result for 5 minutes
		wp_cache_set( $cache_key, $return, $cache_group, 300 );

		return (int) $return;
	}

	// Convert string to array
	protected function string_convert_arr( $input ) {
		$output = array();
		if ( ! empty( $input ) ) {
			$input = rawurldecode( $input );
			$input = trim( $input );
			$input = str_replace( ' ', '', $input );
			$input = explode( "\n", $input );

			foreach ( $input as $k => $v ) {
				$output[] = trim( $v );
			}
		}

		return $output;
	}

	//ajax clean cache
	public static function breeze_clean_cache() {
		// Check whether we're clearing the cache for one subsite on the network.
		$is_subsite = is_multisite() && ! is_network_admin();

		// analysis size cache
		$cachepath = untrailingslashit( breeze_get_cache_base_path( is_network_admin() ) );

		$size_cache = breeze_get_directory_size( $cachepath );

		// Analyze minification directory sizes.
		$files_path = rtrim( WP_CONTENT_DIR, '/' ) . '/cache/breeze-minification';
		if ( $is_subsite ) {
			$blog_id     = get_current_blog_id();
			$files_path .= DIRECTORY_SEPARATOR . $blog_id;
		}
		$size_cache += breeze_get_directory_size( $files_path, array( 'index.html' ) );

		$result = self::formatBytes( $size_cache );

		//delete minify file
		Breeze_MinificationCache::clear_minification();
		//delete all cache
		Breeze_PurgeCache::breeze_cache_flush( true, true, true );

		return $result;
	}

	/*
	 *Ajax clean cache
	 *
	 */
	public static function breeze_ajax_clean_cache() {
		breeze_is_restricted_access();
		//check security nonce
		check_ajax_referer( '_breeze_purge_cache', 'security' );
		$result = self::breeze_clean_cache();

		echo json_encode( $result );
		exit;
	}

	/*
	 * Ajax purge varnish
	 */
	public static function purge_varnish_action( $breeze_admin ) {
		breeze_is_restricted_access();
		//check security
		check_ajax_referer( '_breeze_purge_varnish', 'security' );

		$res = $breeze_admin->breeze_clear_varnish();

		if ( $res ) {
			$success_message = __( 'Varnish Cache has been purged.', 'breeze' );
			wp_send_json_success( $success_message, 200 );
		} else {
			$error_message = __( 'Varnish Cache could not be purged.', 'breeze' );
			wp_send_json_error( $error_message, 500 );
		}
		exit;
	}

	public static function breeze_ajax_check_cdn_url() {
		breeze_is_restricted_access();
		check_ajax_referer( '_breeze_check_cdn_url', 'security' );

		$cdn_url = isset( $_POST['cdn_url'] ) ? trim( $_POST['cdn_url'] ) : '';
		$cdn_url = ltrim( $cdn_url, 'https:' );
		$cdn_url = 'https:' . $cdn_url;

		if ( false === filter_var( $cdn_url, FILTER_VALIDATE_URL ) ) {
			return false;
		}

		$breeze_user_agent = 'breeze-cdn-check-help-user';
		$ssl_verification  = apply_filters( 'breeze_ssl_check_certificate', true );
		if ( ! is_bool( $ssl_verification ) ) {
			$ssl_verification = true;
		}

		if ( defined( 'WP_DEBUG' ) && true === WP_DEBUG ) {
			$ssl_verification = false;
		}

		$args = array(
			'timeout'     => 10,
			'redirection' => 3,
			'user-agent'  => $breeze_user_agent,
			'headers'     => array(
				'Referer' => home_url(),
			),
			'sslverify'   => $ssl_verification,
		);

		$response = wp_remote_get( 'https://sitecheck.sucuri.net/api/v3/?scan=' . $cdn_url, $args );

		if ( is_wp_error( $response ) ) {
			wp_send_json(
				array(
					'success' => true,
					'message' => '',
				)
			);
			exit;
		}

		$http_code = wp_remote_retrieve_response_code( $response );
		$the_json  = wp_remote_retrieve_body( $response );

		$response_data = array();

		$is_json = json_decode( $the_json, true );
		if ( null === $is_json && json_last_error() !== JSON_ERROR_NONE ) {
			// incorrect data show error message
			$is_safe = true;
		} else {
			// decoded with success
			$is_safe = true;
			if ( isset( $is_json['warnings'], $is_json['warnings']['security'], $is_json['warnings']['security']['malware'] ) ) {
				$is_safe = false;

				$response_data['message']  = '<strong>' . __( 'Important: ', 'breeze' ) . '</strong>';
				$response_data['message'] .= __( 'The CDN URL you\'ve used is insecure.', 'breeze' );
			}
		}
		$response_data['success'] = $is_safe;
		wp_send_json( $response_data );

		exit;
	}

	/**
	 * Ajax purge Object Cache
	 *
	 * @return void
	 */
	public static function breeze_ajax_purge_opcache() {
		breeze_is_restricted_access();

		//check security
		check_ajax_referer( '_breeze_purge_opcache', 'security' );

		echo wp_json_encode( array( 'clear' => Breeze_PurgeCache::__flush_object_cache() ) );
		exit;
	}


	/*
	 * Ajax purge database
	 */
	public static function breeze_ajax_purge_database() {
		breeze_is_restricted_access();
		//check security
		check_ajax_referer( '_breeze_purge_database', 'security' );

		set_as_network_screen();

		$items = array(
			'post_revisions'          => array( 'revisions' ),
			'auto_drafts'             => array( 'drafted' ),
			'trashed_posts'           => array( 'trash' ),
			'trashed_comments'        => array( 'comments_trash' ),
			'spam_comments'           => array( 'comments_spam' ),
			'trackbacks_pingbacks'    => array( 'trackbacks' ),
			'all_transients'          => array( 'transient' ),
			'all'                     => array(
				'revisions',
				'drafted',
				'trash',
				'comments_trash',
				'comments_spam',
				'trackbacks',
				'transient',
				/**
				 * @since 2.0.7
				 */
				'orphan_post_meta',
				'oembed_cache',
				'duplicated_post_meta',
				'comments_unapproved',
				'comments_orphan_meta',
				'comments_duplicate_meta',
				'expired_transients',
				'orphan_user_meta',
				'duplicated_user_meta',
				'orphan_term_meta',
				'duplicated_term_meta',
				'optimize_database',
			),
			/**
			 * @since 2.0.7
			 */
			'orphan_post_meta'        => array( 'orphan_post_meta' ),
			'oembed_cache'            => array( 'oembed_cache' ),
			'duplicated_post_meta'    => array( 'duplicated_post_meta' ),
			'comments_unapproved'     => array( 'comments_unapproved' ),
			'comments_orphan_meta'    => array( 'comments_orphan_meta' ),
			'comments_duplicate_meta' => array( 'comments_duplicate_meta' ),
			'expired_transients'      => array( 'expired_transients' ),
			'orphan_user_meta'        => array( 'orphan_user_meta' ),
			'duplicated_user_meta'    => array( 'duplicated_user_meta' ),
			'orphan_term_meta'        => array( 'orphan_term_meta' ),
			'duplicated_term_meta'    => array( 'duplicated_term_meta' ),
			'optimize_database'       => array( 'optimize_database' ),
		);

		$return_value = true;
		if ( isset( $_POST['action_type'] ) ) {
			$type = $_POST['action_type'];

			if ( 'custom' === $type ) {
				$services = json_decode( stripslashes( $_POST['services'] ), true );

				if ( ! empty( $services ) && is_array( $services ) ) {
					foreach ( $services as $service ) {
						if ( isset( $items[ $service ] ) ) {

							self::optimize_database( $items[ $service ] );
						}
					}
				}
			} else {

				if ( isset( $items[ $type ] ) ) {
					$return_value = self::optimize_database( $items[ $type ] );
				}
			}
		}
		// $type = array( 'revisions', 'drafted', 'trash', 'comments_trash', 'comments_spam', 'trackbacks', 'transient' );

		echo json_encode( array( 'clear' => $return_value ) );
		exit;
	}

	public static function formatBytes( $bytes, $precision = 2 ) {
		if ( $bytes >= 1073741824 ) {
			$bytes = number_format( $bytes / 1073741824, 2 );
		} elseif ( $bytes >= 1048576 ) {
			$bytes = number_format( $bytes / 1048576, 2 );
		} elseif ( $bytes >= 1024 ) {
			$bytes = number_format( $bytes / 1024, 2 );
		} elseif ( $bytes > 1 ) {
			$bytes = $bytes;
		} elseif ( $bytes == 1 ) {
			$bytes = $bytes;
		} else {
			$bytes = '0';
		}

		return $bytes;
	}

	/**
	 * Generate a random token
	 *
	 * @param $length
	 *
	 * @return string
	 * @throws Exception
	 */
    public static function breeze_generate_token( $length = 32 ){
		$characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
		$token      = '';

		for ( $i = 0; $i < $length; $i++ ) {
			$token .= $characters[ random_int( 0, strlen( $characters ) - 1 ) ];
		}

		return $token;
	}

	/**
	 * Perform database optimization.
	 *
	 * @param array $items
	 */
	public static function optimize_database( $items ) {
		set_as_network_screen();
		$to_return = true;

		if ( 'optimize_database' !== $items[0] && is_multisite() && is_network_admin() ) {
			$sites = get_sites(
				array(
					'fields' => 'ids',
					'number' => 0,
				)
			);

			foreach ( $sites as $blog_id ) {
				switch_to_blog( $blog_id );
				foreach ( $items as $item ) {
					$to_return = self::clean_system( $item );
				}
				restore_current_blog();
			}
		} else {
			foreach ( $items as $item ) {
				$action_result = self::clean_system( $item );
				if ( ! is_bool( $action_result ) ) {
					$to_return = $action_result;
				}
			}
		}

		return $to_return;
	}


	/**
	 * Function to reach by ajax to reset all options to default
	 *
	 * @return void
	 */
	public static function reset_to_default_ajax() {
		breeze_is_restricted_access();
		check_ajax_referer( '_breeze_reset_default', 'security' );
		set_as_network_screen();

		$is_blog_id = 0;
		if ( true === filter_var( $_POST['is-network'], FILTER_VALIDATE_BOOLEAN ) ) {
			$is_blog_id = 'network';
		}
		$response = self::reset_to_default( $is_blog_id, $_POST['is-network'] );
		wp_send_json( $response );
	}

	/**
	 * Reset all options to default
	 *
	 * @param $blog_id
	 * @param $is_network
	 *
	 * @return bool
	 */
	public static function reset_to_default( $blog_id = null, $is_network = 'false' ) {
		set_as_network_screen();
		// Default basic

		if ( ! empty( $blog_id ) && is_numeric( $blog_id ) ) {
			$blog_id = intval( $blog_id );
		}

		$all_user_roles     = breeze_all_wp_user_roles();
		$active_cache_users = array();
		foreach ( $all_user_roles as $usr_role ) {
			$active_cache_users[ $usr_role ] = 0;

		}

		$default_basic = array(
			'breeze-active'            => '1',
			'breeze-cross-origin'      => '0',
			'breeze-disable-admin'     => $active_cache_users,
			'breeze-gzip-compression'  => '1',
			'breeze-desktop-cache'     => '1',
			'breeze-mobile-cache'      => '1',
			'breeze-browser-cache'     => '1',
			'breeze-lazy-load'         => '0',
			'breeze-lazy-load-native'  => '0',
			'breeze-lazy-load-iframes' => '0',
			'breeze-lazy-load-videos'  => '0',
			'breeze-display-clean'     => '1',

		);
		$basic = $default_basic;

		// Default File
		$default_file = array(
			'breeze-minify-html'       => '0',
			// --
			'breeze-minify-css'        => '0',
			'breeze-font-display-swap' => '0',
			'breeze-group-css'         => '0',
			'breeze-exclude-css'       => array(),
			// --
			'breeze-minify-js'         => '0',
			'breeze-group-js'          => '0',
			'breeze-include-inline-js' => '0',
			'breeze-exclude-js'        => array(),
			'breeze-move-to-footer-js' => array(),
			'breeze-defer-js'          => array(),
			'breeze-enable-js-delay'   => '0',
			'no-breeze-no-delay-js'    => array(),
			'breeze-delay-all-js'      => '0',
		);

		$file = $default_file;

        $token      = Breeze_Configuration::breeze_generate_token();

		// Default Advanced
		$default_advanced  = array(
			'breeze-exclude-urls'  => array(),
			'cached-query-strings' => array(),
			'breeze-wp-emoji'      => '0',
			'breeze-enable-api'    => '0',
			'breeze-api-token'     => $token,
		);
		$default_heartbeat = array(
			'breeze-control-heartbeat'  => '0',
			'breeze-heartbeat-front'    => '',
			'breeze-heartbeat-postedit' => '',
			'breeze-heartbeat-backend'  => '',
		);
		$heartbeat         = $default_heartbeat;

		$breeze_delay_js_scripts = array(
			'gtag',
			'document.write',
			'html5.js',
			'show_ads.js',
			'google_ad',
			'blogcatalog.com/w',
			'tweetmeme.com/i',
			'mybloglog.com/',
			'histats.com/js',
			'ads.smowtion.com/ad.js',
			'statcounter.com/counter/counter.js',
			'widgets.amung.us',
			'ws.amazon.com/widgets',
			'media.fastclick.net',
			'/ads/',
			'comment-form-quicktags/quicktags.php',
			'edToolbar',
			'intensedebate.com',
			'scripts.chitika.net/',
			'_gaq.push',
			'jotform.com/',
			'admin-bar.min.js',
			'GoogleAnalyticsObject',
			'plupload.full.min.js',
			'syntaxhighlighter',
			'adsbygoogle',
			'gist.github.com',
			'_stq',
			'nonce',
			'post_id',
			'data-noptimize',
			'googletagmanager',
		);
		breeze_update_option( 'advanced_settings_120', 'yes', true );

		$advanced = $default_advanced;

		//CDN default
		$wp_content  = substr( WP_CONTENT_DIR, strlen( ABSPATH ) );
		$default_cdn = array(
			'cdn-active'          => '0',
			'cdn-url'             => '',
			'cdn-content'         => array( 'wp-includes', $wp_content ),
			'cdn-exclude-content' => array( '.php' ),
			'cdn-relative-path'   => '1',
		);
		$cdn         = $default_cdn;

		// Preload default
		$default_preload = array(
			'breeze-preload-fonts' => array(),
			'breeze-preload-links' => '1',
			'breeze-prefetch-urls' => array(),
		);
		$preload         = $default_preload;

		// Varnish default
		$default_varnish = array(
			'auto-purge-varnish'       => '1',
			'breeze-varnish-server-ip' => '127.0.0.1',
			'breeze-ttl'               => 1440,
		);
		$varnish         = $default_varnish;

		if ( is_multisite() ) {

			if ( true === filter_var( $is_network, FILTER_VALIDATE_BOOLEAN ) || 'network' === $blog_id ) {

				// get file setting
				$save_advanced                            = $file;
				$save_advanced['breeze-delay-js-scripts'] = $breeze_delay_js_scripts;

				// Update each blog to default
				$blogs = get_sites( array( 'number' => 0 ) );
				foreach ( $blogs as $blog ) {

					update_blog_option( $blog->blog_id, 'breeze_basic_settings', $basic );
					update_blog_option( $blog->blog_id, 'breeze_advanced_settings', $advanced );
					update_blog_option( $blog->blog_id, 'breeze_heartbeat_settings', $heartbeat );
					update_blog_option( $blog->blog_id, 'breeze_preload_settings', $preload );
					update_blog_option( $blog->blog_id, 'breeze_file_settings', $save_advanced );
					update_blog_option( $blog->blog_id, 'breeze_cdn_integration', $cdn );
					update_blog_option( $blog->blog_id, 'breeze_varnish_cache', $varnish );
				}

				breeze_update_option( 'basic_settings', $basic );
				breeze_update_option( 'advanced_settings', $advanced );
				breeze_update_option( 'heartbeat_settings', $heartbeat );
				breeze_update_option( 'preload_settings', $preload );
				breeze_update_option( 'cdn_integration', $cdn );
				breeze_update_option( 'varnish_cache', $varnish );

				$file_setting                            = $file;
				$file_setting['breeze-delay-js-scripts'] = $breeze_delay_js_scripts;

				breeze_update_option( 'file_settings', $file_setting );

			} else {
				if ( empty( $blog_id ) ) {
					$blog_id = get_current_blog_id();
				}

				update_blog_option( $blog_id, 'breeze_basic_settings', $basic );
				update_blog_option( $blog_id, 'breeze_advanced_settings', $advanced );
				update_blog_option( $blog_id, 'breeze_heartbeat_settings', $heartbeat );
				update_blog_option( $blog_id, 'breeze_preload_settings', $preload );
				update_blog_option( $blog_id, 'breeze_cdn_integration', $cdn );
				update_blog_option( $blog_id, 'breeze_varnish_cache', $varnish );

				$save_file                            = $file;
				$save_file['breeze-delay-js-scripts'] = $breeze_delay_js_scripts;
				update_blog_option( $blog_id, 'breeze_file_settings', $save_file );
			}
		} else {
			breeze_update_option( 'basic_settings', $basic );
			breeze_update_option( 'advanced_settings', $advanced );
			breeze_update_option( 'heartbeat_settings', $heartbeat );
			breeze_update_option( 'preload_settings', $preload );
			breeze_update_option( 'cdn_integration', $cdn );
			breeze_update_option( 'varnish_cache', $varnish );

			$save_advanced                            = $file;
			$save_advanced['breeze-delay-js-scripts'] = $breeze_delay_js_scripts;
			breeze_update_option( 'file_settings', $save_advanced, true );

		}

		//add header to htaccess if setting is enabled or by default if first installed
		Breeze_Configuration::update_htaccess();

		if ( ! empty( $blog_id ) && is_numeric( $blog_id ) ) { // Multisite sub-blog
			switch_to_blog( $blog_id );

			//automatic config start cache
			Breeze_ConfigCache::factory()->write();
			Breeze_ConfigCache::factory()->write_config_cache();
			//delete cache after settings
			do_action( 'breeze_clear_all_cache' );

			restore_current_blog();

		} elseif ( 'network' === $blog_id ) { // Multisite network
			$blogs = get_sites( array( 'number' => 0 ) );
			foreach ( $blogs as $blog ) {
				switch_to_blog( $blog_id );
				//automatic config start cache
				Breeze_ConfigCache::factory()->write();
				Breeze_ConfigCache::factory()->write_config_cache();
				//delete cache after settings
				do_action( 'breeze_clear_all_cache' );
				restore_current_blog();
			}
		} elseif ( empty( $blog_id ) ) { // Single site
			//automatic config start cache
			Breeze_ConfigCache::factory()->write();
			Breeze_ConfigCache::factory()->write_config_cache();
			//delete cache after settings
			do_action( 'breeze_clear_all_cache' );
		}

		if ( ! empty( $basic ) && ! empty( $basic['breeze-active'] ) ) {
			Breeze_ConfigCache::factory()->toggle_caching( true );
		}

		if ( is_multisite() ) {
			if ( true === filter_var( $is_network, FILTER_VALIDATE_BOOLEAN ) || 'network' === $blog_id ) {
				Breeze_ConfigCache::factory()->write_config_cache( true );
			}
		}

		return true;
	}

}

//init configuration object
new Breeze_Configuration();
