=> false,
			'preloader_url'                   => '',
			'taxonomy_brands'                 => '',
			'img_url'                         => DGWT_WCAS_URL . 'assets/img/',
			'is_premium'                      => dgoraAsfwFs()->is_premium(),
			'layout_breakpoint'               => $layout->layout_breakpoint,
			'mobile_overlay_breakpoint'       => $layout->mobile_overlay_breakpoint,
			'mobile_overlay_wrapper'          => $layout->mobile_overlay_wrapper,
			'mobile_overlay_delay'            => apply_filters( 'dgwt/wcas/scripts/overlay_delay_ms', 0 ),
			'debounce_wait_ms'                => apply_filters( 'dgwt/wcas/scripts/debounce_wait_ms', 400 ),
			'send_ga_events'                  => apply_filters( 'dgwt/wcas/scripts/send_ga_events', true ),
			'enable_ga_site_search_module'    => apply_filters( 'dgwt/wcas/scripts/enable_ga_site_search_module', false ),
			'magnifier_icon'                  => self::getMagnifierIco( '' ),
			'magnifier_icon_pirx'             => self::getMagnifierIco( '', 'magnifier-pirx' ),
			'history_icon'                    => self::getIcon( 'history' ),
			'close_icon'                      => self::getIcon( 'close' ),
			'back_icon'                       => self::getIcon( 'arrow-left' ),
			'preloader_icon'                  => self::getIcon( 'preloader' ),
			'voice_search_inactive_icon'      => self::getIcon( $layout->style === 'pirx' ? 'voice-search-inactive-pirx' : 'voice-search-inactive', 'dgwt-wcas-voice-search-mic-inactive' ),
			'voice_search_active_icon'        => self::getIcon( $layout->style === 'pirx' ? 'voice-search-active-pirx' : 'voice-search-active', 'dgwt-wcas-voice-search-mic-active' ),
			'voice_search_disabled_icon'      => self::getIcon( $layout->style === 'pirx' ? 'voice-search-disabled-pirx' : 'voice-search-disabled', 'dgwt-wcas-voice-search-mic-disabled' ),
			'custom_params'                   => (object) apply_filters( 'dgwt/wcas/scripts/custom_params', array() ),
			'convert_html'                    => true, // Todo remove it in v1.27.0, because it's not used anymore.
			'suggestions_wrapper'             => apply_filters( 'dgwt/wcas/scripts/suggestions_wrapper', 'body' ),
			'show_product_vendor'             => dgoraAsfwFs()->is_premium() && class_exists( 'DgoraWcas\Integrations\Marketplace\Marketplace' ) && DGWT_WCAS()->marketplace->showProductVendor(),
			'disable_hits'                    => apply_filters( 'dgwt/wcas/scripts/disable_hits', false ),
			'disable_submit'                  => apply_filters( 'dgwt/wcas/scripts/disable_submit', false ),
			'fixer'                           => apply_filters( 'dgwt/wcas/scripts/fixer', array(
				'broken_search_ui'                  => true,
				'broken_search_ui_ajax'             => true,
				'broken_search_ui_hard'             => false,
				'broken_search_elementor_popups'    => true,
				'broken_search_jet_mobile_menu'     => true,
				'broken_search_browsers_back_arrow' => true,
				'force_refresh_checkout'            => true
			) ),
			'voice_search_enabled'            => defined( 'DGWT_WCAS_VOICE_SEARCH_ENABLE' ) && DGWT_WCAS_VOICE_SEARCH_ENABLE,
			'voice_search_lang'               => apply_filters( 'dgwt/wcas/scripts/voice_search_lang', get_bloginfo( 'language' ) ),
			'show_recently_searched_products' => false,
			'show_recently_searched_phrases'  => false,
		);

		// User search history
		if ( DGWT_WCAS()->settings->getOption( 'show_user_history' ) === 'on' ) {
			$localize['show_recently_searched_products'] = apply_filters( 'dgwt/wcas/scripts/show_recently_searched_products', true );
			$localize['show_recently_searched_phrases']  = apply_filters( 'dgwt/wcas/scripts/show_recently_searched_phrases', true );
		}

		if ( Multilingual::isMultilingual() ) {
			$localize['current_lang'] = Multilingual::getCurrentLanguage();
		}

		if ( dgoraAsfwFs()->is__premium_only() ) {

			$localize['dynamic_prices'] = Solver::shouldLoadPriceDynamically__premium_only();

			$localize['debounce_wait_ms'] = apply_filters( 'dgwt/wcas/scripts/debounce_wait_ms', 100 );

			if ( DGWT_WCAS()->brands->hasBrands() && DGWT_WCAS()->settings->getOption( 'show_product_tax_' . DGWT_WCAS()->brands->getBrandTaxonomy() ) === 'on' ) {
				$localize['taxonomy_brands'] = DGWT_WCAS()->brands->getBrandTaxonomy();
			}
		}

		// Min characters
		$min_chars = DGWT_WCAS()->settings->getOption( 'min_chars' );
		if ( ! empty( $min_chars ) && is_numeric( $min_chars ) ) {
			$localize['min_chars'] = absint( $min_chars );
		}

		$sug_width = DGWT_WCAS()->settings->getOption( 'sug_width' );
		if ( ! empty( $sug_width ) && is_numeric( $sug_width ) && $sug_width > 100 ) {
			$localize['sug_width'] = absint( $sug_width );
		}


		// Show/hide Details panel
		if ( DGWT_WCAS()->settings->getOption( 'show_details_box' ) === 'on' ) {
			$localize['show_details_panel'] = true;
		}

		// Show/hide images
		if ( DGWT_WCAS()->settings->getOption( 'show_product_image' ) === 'on' ) {
			$localize['show_images'] = true;
		}

		// Show/hide price
		if ( DGWT_WCAS()->settings->getOption( 'show_product_price' ) === 'on' ) {
			$localize['show_price'] = true;
		}

		// Show/hide description
		if ( DGWT_WCAS()->settings->getOption( 'show_product_desc' ) === 'on' ) {
			$localize['show_desc'] = true;
		}

		// Show/hide description
		if ( DGWT_WCAS()->settings->getOption( 'show_product_sku' ) === 'on' ) {
			$localize['show_sku'] = true;
		}

		// Show/hide sale badge
		if ( DGWT_WCAS()->settings->getOption( 'show_sale_badge' ) === 'on' ) {
			$localize['show_sale_badge'] = true;
		}

		// Show/hide featured badge
		if ( DGWT_WCAS()->settings->getOption( 'show_featured_badge' ) === 'on' ) {
			$localize['show_featured_badge'] = true;
		}

		// Set preloader
		if ( DGWT_WCAS()->settings->getOption( 'show_preloader' ) === 'on' ) {
			$localize['show_preloader'] = true;

			$localize['preloader_url'] = esc_url( trim( DGWT_WCAS()->settings->getOption( 'preloader_url' ) ) );
		}

		// Show/hide autocomplete headings
		if ( DGWT_WCAS()->settings->getOption( 'show_grouped_results' ) === 'on' ) {
			$localize['show_headings'] = true;
		}

		return apply_filters( 'dgwt/wcas/scripts/localize', $localize );
	}

	/**
	 * Get endpoint URL
	 *
	 * @param string $type
	 *
	 * @return string
	 */
	public static function getEndpointUrl( $type = '' ) {
		$url = '';

		if ( ! in_array( $type, array( 'search', 'details', 'prices' ) ) ) {
			return $url;
		}

		switch ( $type ) {
			case 'search':
				$url = \WC_AJAX::get_endpoint( DGWT_WCAS_SEARCH_ACTION );
				if ( dgoraAsfwFs()->is__premium_only() ) {
					$url = DGWT_WCAS_URL . 'includes/Engines/TNTSearchMySQL/Endpoints/search.php';

					if (
						( get_option( 'dgwt_wcas_alternative_endpoint_enabled' ) === '1' && defined( 'DGWT_WCAS_SEARCH_PRO_ACTION' ) ) ||
						( defined( 'DGWT_WCAS_ALTERNATIVE_SEARCH_ENDPOINT' ) && DGWT_WCAS_ALTERNATIVE_SEARCH_ENDPOINT )
					) {
						$url = \WC_AJAX::get_endpoint( DGWT_WCAS_SEARCH_PRO_ACTION );
					}
				}
				break;
			case 'details':
				$url = \WC_AJAX::get_endpoint( DGWT_WCAS_RESULT_DETAILS_ACTION );
				break;
			case 'prices':
				$url = \WC_AJAX::get_endpoint( DGWT_WCAS_GET_PRICES_ACTION );
				break;
			default:
				break;
		}

		return apply_filters( "dgwt/wcas/endpoint/{$type}", $url );
	}


	/**
	 * Checking the current code is run by the object of the given class
	 *
	 * @param string $class_name Class name
	 * @param int $backtrace_limit The number of stack frames that is tested backwards.
	 *
	 * @return bool
	 */
	public static function is_running_inside_class( $class_name, $backtrace_limit = 10 ) {
		if ( empty( $class_name ) ) {
			return false;
		}
		if ( intval( $backtrace_limit ) <= 0 ) {
			$backtrace_limit = 10;
		}

		$result    = false;
		$backtrace = self::debugBacktrace( 0, $backtrace_limit );
		if ( ! empty( $backtrace ) ) {
			foreach ( $backtrace as $item ) {
				if ( isset( $item['class'] ) && $item['class'] === $class_name ) {
					$result = true;
					break;
				}
			}
		}

		return $result;
	}

	/**
	 * Checking the current code is run inside specified function
	 *
	 * @param string $function_name Function name
	 * @param int $backtrace_limit The number of stack frames that is tested backwards.
	 *
	 * @return bool
	 */
	public static function isRunningInsideFunction( $function_name, $backtrace_limit = 10 ) {
		if ( empty( $function_name ) ) {
			return false;
		}
		if ( intval( $backtrace_limit ) <= 0 ) {
			$backtrace_limit = 10;
		}

		$result    = false;
		$backtrace = self::debugBacktrace( 0, $backtrace_limit );
		if ( ! empty( $backtrace ) ) {
			foreach ( $backtrace as $item ) {
				if ( isset( $item['function'] ) && $item['function'] === $function_name ) {
					$result = true;
					break;
				}
			}
		}

		return $result;
	}

	private static function debugBacktrace( $options, $limit ) {
		return debug_backtrace( $options, $limit );
	}

	/**
	 * Search products with native engine
	 *
	 * @param $phrase
	 *
	 * @return int[]
	 */
	public static function searchProducts( $phrase ) {
		$postIn  = [];
		$results = DGWT_WCAS()->nativeSearch->getSearchResults( $phrase, true, 'product-ids' );
		if ( isset( $results['suggestions'] ) && is_array( $results['suggestions'] ) ) {
			$postIn = wp_list_pluck( $results['suggestions'], 'ID' );
		}

		return $postIn;
	}

	/**
	 * Search products with TNT engine
	 *
	 * @param $phrase
	 * @param $orderby
	 * @param $order
	 *
	 * @return int[]
	 */
	public static function searchProducts__premium_only( $phrase, $orderby = 'relevance', $order = '' ) {
		$search = new SearchResultsPageQuery();
		$search->setPhrase( $phrase );

		if ( Multilingual::isMultilingual() ) {
			$search->setLang( Multilingual::getCurrentLanguage() );
		}

		$search->searchProducts();

		$results = $search->getProducts( $orderby, $order );

		return array_map( 'intval', wp_list_pluck( $results, 'post_id' ) );
	}

	/**
	 * Get all post types used in search
	 *
	 * @param string $filter 'no-products' returns post types not related to products
	 *                       'only-products' returns post types related to products
	 *
	 * @return array
	 */
	public static function getAllowedPostTypes( $filter = '' ) {

		$types = array();

		if ( $filter !== 'no-products' ) {
			$types[] = 'product';
			$types[] = 'product-variation';
		}

		if ( $filter !== 'only-products' ) {
			if ( DGWT_WCAS()->settings->getOption( 'show_matching_posts' ) === 'on' ) {
				$types[] = 'post';
			}

			if ( DGWT_WCAS()->settings->getOption( 'show_matching_pages' ) === 'on' ) {
				$types[] = 'page';
			}
		}

		return apply_filters( 'dgwt/wcas/allowed_post_types', $types, $filter );
	}

	/**
	 * Get Basic Auth header from dedicated constants or from current request
	 *
	 * @return string
	 */
	public static function getBasicAuthHeader() {
		$authorization = '';
		if ( defined( 'DGWT_WCAS_BA_USERNAME' ) && defined( 'DGWT_WCAS_BA_PASSWORD' ) ) {
			$authorization = 'Basic ' . base64_encode( wp_unslash( DGWT_WCAS_BA_USERNAME ) . ':' . wp_unslash( DGWT_WCAS_BA_PASSWORD ) );;
		} elseif ( isset( $_SERVER['PHP_AUTH_USER'] ) && isset( $_SERVER['PHP_AUTH_PW'] ) ) {
			$authorization = 'Basic ' . base64_encode( wp_unslash( $_SERVER['PHP_AUTH_USER'] ) . ':' . wp_unslash( $_SERVER['PHP_AUTH_PW'] ) );
		}

		return $authorization;
	}

	/**
	 * Get terms from filter group
	 *
	 * @param string $group
	 * @param array $values
	 *
	 * @return \WP_Term[]
	 */
	public static function getFilterGroupTerms__premium_only( $group, $values ) {
		$taxonomy = self::getTaxonomyFromFilterGroup__premium_only( $group );
		if ( empty( $taxonomy ) ) {
			return array();
		}

		if ( Multilingual::isMultilingual() ) {
			// Get terms in default language
			$terms = Multilingual::getTermsInLang( array(
				'taxonomy'   => $taxonomy,
				'include'    => $values,
				'hide_empty' => false
			) );
		} else {
			$terms_args = array(
				'taxonomy'   => $taxonomy,
				'hide_empty' => false,
				'include'    => $values,
			);
			$terms      = get_terms( $terms_args );
		}

		if ( is_wp_error( $terms ) ) {
			return array();
		}

		return $terms;
	}

	/**
	 * Get taxonomy name from filter group
	 *
	 * @param $group
	 *
	 * @return string
	 */
	public static function getTaxonomyFromFilterGroup__premium_only( $group ) {
		if ( strpos( $group, 'pa:' ) !== false ) {
			$group = wc_attribute_taxonomy_name_by_id( (int) str_replace( 'pa:', '', $group ) );
		}

		return $group;
	}

	/**
	 * Get filter products rules
	 *
	 * @return array
	 */
	public static function getFilterProductsRules__premium_only() {
		$rules      = array();
		$savedRules = DGWT_WCAS()->settings->getOption( 'filter_products_rules' );
		if ( ! is_string( $savedRules ) ) {
			return $rules;
		}
		$rulesRaw = json_decode( $savedRules );
		if ( empty( $rulesRaw ) ) {
			return $rules;
		}

		// Merge rules from same group
		foreach ( $rulesRaw as $rule ) {
			if ( empty( $rule->group ) || empty( $rule->values ) ) {
				continue;
			}
			if ( ! isset( $rules[ $rule->group ] ) ) {
				$rules[ $rule->group ] = array();
			}
			$rules[ $rule->group ] = array_merge( $rules[ $rule->group ], $rule->values );
			$rules[ $rule->group ] = array_unique( $rules[ $rule->group ] );
		}

		return $rules;
	}

	/**
	 * Check status of DB support for JSON format
	 */
	public static function doesDbSupportJson__premium_only() {
		global $wpdb;

		if ( defined( 'SHORTINIT' ) && SHORTINIT ) {
			$result = $wpdb->get_var( "SELECT option_value FROM $wpdb->options WHERE option_name = 'dgwt_wcas_db_json_support'" );
		} else {
			$result = get_option( 'dgwt_wcas_db_json_support' );
		}

		return $result === 'yes';
	}

	/**
	 * Check if cache is enabled
	 *
	 * @return bool
	 */
	public static function isCacheEnabled__premium_only() {
		$enabled = true;

		if ( defined( 'DGWT_WCAS_SEARCH_CACHE' ) ) {
			$enabled = (bool) DGWT_WCAS_SEARCH_CACHE;
		}

		return apply_filters( 'dgwt/wcas/tnt/search_cache', $enabled );
	}

	/**
	 * Get version of the FiboSearch Pro. Skips the cache.
	 *
	 * @return string
	 */
	public static function getPluginVersion__premium_only() {
		global $wpdb;

		$version = $wpdb->get_var( "SELECT SQL_NO_CACHE option_value FROM $wpdb->options WHERE option_name = 'dgwt_wcas_version_pro'" );

		return empty( $version ) ? '' : $version;
	}

	/**
	 * Check that the AMP version of the page is displayed
	 *
	 * @return bool
	 */
	public static function isAMPEndpoint() {
		return function_exists( 'is_amp_endpoint' ) && is_amp_endpoint();
	}

	/**
	 * Set lock
	 *
	 * @param string $key Lock key
	 *
	 * @return bool
	 */
	public static function setLock__premium_only( $key ) {
		global $wpdb;

		if ( empty( $key ) ) {
			return false;
		}

		$id = $wpdb->get_var( $wpdb->prepare( "SELECT SQL_NO_CACHE option_id FROM $wpdb->options WHERE option_name = %s", $key ) );

		if ( empty( $id ) ) {
			$result = $wpdb->query( $wpdb->prepare( "INSERT INTO $wpdb->options (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, 'no')", $key, (string) microtime( true ) ) );
		} else {
			$result = $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->options SET `option_value` = %s WHERE `option_id` = %d", (string) microtime( true ), $id ) );
		}

		return $result > 0;
	}

	/**
	 * Test if lock is locked
	 *
	 * The lock is locked until its expiry time has elapsed.
	 *
	 * @param string $key Lock key
	 * @param int $expiration Expiration time (seconds)
	 *
	 * @return false
	 */
	public static function isLockLocked__premium_only( $key, $expiration ) {
		global $wpdb;

		$timestamp = $wpdb->get_var( $wpdb->prepare( "SELECT SQL_NO_CACHE option_value FROM $wpdb->options WHERE option_name = %s", $key ) );

		if ( empty( $timestamp ) ) {
			return false;
		}

		return microtime( true ) - (float) $expiration < (float) $timestamp;
	}

	/**
	 * Unlock lock
	 *
	 * @param string $key Lock key
	 *
	 * @return bool
	 */
	public static function unlockLock__premium_only( $key ) {
		global $wpdb;

		if ( empty( $key ) ) {
			return false;
		}

		$result = $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->options WHERE option_name = %s", $key ) );

		return $result > 0;
	}

	/**
	 * Get the path to the fibo directory in the theme or child theme
	 *
	 * @param string $path
	 * @param array $vars
	 *
	 * @return void
	 */
	public static function loadTemplate( $template = '', $vars = array() ) {

		$path = '';

		// Load default partials from the plugin
		$file = DGWT_WCAS_DIR . 'partials/' . $template;
		if ( file_exists( $file ) ) {
			$path = $file;
		}


		// Load a partial if it is localized in the child-theme
		$file = get_stylesheet_directory() . '/fibosearch/' . $template;
		if ( file_exists( $file ) ) {
			$path = $file;
		}

		$path = apply_filters( 'dgwt/wcas/template', $path, $template, $vars );
		if ( file_exists( $path ) ) {
			include $path;
		}
	}

	/**
	 * Add "No results" if suggestions are empty
	 *
	 * @param array $output
	 *
	 * @return array
	 */
	public static function noResultsSuggestion( $output ) {
		if ( empty( $output['suggestions'] ) ) {
			$output['suggestions'][] = array(
				'value' => '',
				'type'  => 'no-results'
			);
		}

		return $output;
	}

	/**
	 * Get default collate
	 *
	 * @param string $context
	 *
	 * @return string
	 */
	public static function getCollate( $context = '' ) {
		global $wpdb;

		$sql     = '';
		$collate = '';
		$charset = '';
		if ( $wpdb->has_cap( 'collation' ) ) {
			if ( ! empty( $wpdb->charset ) ) {
				$charset = $wpdb->charset;
			}
			if ( ! empty( $wpdb->collate ) ) {
				$collate = $wpdb->collate;

			}
		}

		$charset = apply_filters( 'dgwt/wcas/db/charset', $charset, $context );
		$collate = apply_filters( 'dgwt/wcas/db/collation', $collate, $context );


		if ( ! empty( $charset ) ) {
			$sql .= " DEFAULT CHARACTER SET " . $charset;
		}

		if ( ! empty( $collate ) ) {
			$sql .= " COLLATE " . $collate;
		}

		return apply_filters( 'dgwt/wcas/db/collation/sql', $sql, $context );
	}

	/**
	 * Get plugin info if it's not active
	 *
	 * @param string $name
	 * @param string[] $paths
	 *
	 * @return array|false
	 */
	public static function getFolderRenameInfo__premium_only( $name, $paths ) {
		$valid_plugin_name = false;
		$result            = false;

		foreach ( $paths as $path ) {
			if ( \DgoraWcas\Engines\TNTSearchMySQL\Config::isPluginActive( $path ) ) {
				$valid_plugin_name = true;
				break;
			}
		}

		if ( ! $valid_plugin_name ) {
			$result = array(
				'name'   => $name,
				'folder' => dirname( $paths[0] )
			);
		}

		return $result;
	}


	/**
	 * Check if string ends with another string
	 *
	 * @param string $haystack
	 * @param string $needle
	 *
	 * @return bool
	 */
	public static function endsWith( $haystack, $needle ) {
		$length = strlen( $needle );

		return $length > 0 ? substr( $haystack, - $length ) === $needle : true;
	}

	/**
	 * Check if index is being built
	 *
	 * @return bool
	 */
	public static function isIndexing__premium_only() {
		if (
			( defined( 'DGWT_WCAS_PREPARE_BUILD_INDEX' ) && DGWT_WCAS_PREPARE_BUILD_INDEX ) ||
			( defined( 'DGWT_WCAS_BUILD_INDEX_PROCESS' ) && DGWT_WCAS_BUILD_INDEX_PROCESS ) ||
			( defined( 'DGWT_WCAS_SEARCHABLE_INDEX_TASK' ) && DGWT_WCAS_SEARCHABLE_INDEX_TASK ) ||
			( defined( 'DGWT_WCAS_READABLE_INDEX_TASK' ) && DGWT_WCAS_READABLE_INDEX_TASK ) ||
			( defined( 'DGWT_WCAS_TAXONOMY_INDEX_TASK' ) && DGWT_WCAS_TAXONOMY_INDEX_TASK ) ||
			( defined( 'DGWT_WCAS_VARIATIONS_INDEX_TASK' ) && DGWT_WCAS_VARIATIONS_INDEX_TASK ) ||
			( defined( 'DGWT_WCAS_VENDOR_INDEX_TASK' ) && DGWT_WCAS_VENDOR_INDEX_TASK )
		) {
			return true;
		}

		return false;
	}

	/**
	 * Get table info
	 *
	 * @return float[]
	 */
	public static function getTableInfo( $table = '' ) {
		global $wpdb;

		if ( ! defined( 'DB_NAME' ) || empty( $table ) ) {
			return array(
				'data'  => 0.0,
				'index' => 0.0,
			);
		}

		$info = $wpdb->get_row(
			$wpdb->prepare(
				"SELECT
					    round( ( data_length / 1024 / 1024 ), 2 ) 'data',
					    round( ( index_length / 1024 / 1024 ), 2 ) 'index'
					FROM information_schema.TABLES
					WHERE table_schema = %s
					AND table_name = %s;",
				DB_NAME, $table
			)
			, ARRAY_A
		);

		if ( ! isset( $info['data'] ) || ! isset( $info['index'] ) ) {
			return array(
				'data'  => 0.0,
				'index' => 0.0,
			);
		}

		$info['data']  = floatval( $info['data'] );
		$info['index'] = floatval( $info['index'] );

		return $info;
	}

	/**
	 * Get names of all FiboSearch options
	 *
	 * @return array
	 */
	public static function getAllOptionNames() {
		global $wpdb;
		$options = array();
		$res     = $wpdb->get_col( "SELECT SQL_NO_CACHE option_name FROM $wpdb->options WHERE option_name LIKE 'dgwt_wcas_%'" );

		if ( ! empty( $res ) && is_array( $res ) ) {
			$options = $res;
		}

		return $options;
	}

	/**
	 * Load necessary user files to handle current_user_can() in SHORTINIT mode
	 *
	 * @return void
	 */
	public static function loadUserFiles__premium_only() {
		require_once ABSPATH . WPINC . '/default-constants.php';
		wp_plugin_directory_constants();
		wp_cookie_constants();
		require_once ABSPATH . WPINC . '/rest-api.php';
		require_once ABSPATH . WPINC . '/kses.php';
		require_once ABSPATH . WPINC . '/class-wp-user.php';
		require_once ABSPATH . WPINC . '/class-wp-roles.php';
		require_once ABSPATH . WPINC . '/class-wp-role.php';
		require_once ABSPATH . WPINC . '/class-wp-session-tokens.php';
		require_once ABSPATH . WPINC . '/class-wp-user-meta-session-tokens.php';
		require_once ABSPATH . WPINC . '/user.php';
		require_once ABSPATH . WPINC . '/pluggable.php';
		require_once ABSPATH . WPINC . '/capabilities.php';
	}

	/**
	 * Does the "Shop manager" role have access to the plugin settings?
	 *
	 * @return bool
	 */
	public static function shopManagerHasAccess() {
		return defined( 'DGWT_WCAS_ALLOW_SHOP_MANAGER_ACCESS' ) && DGWT_WCAS_ALLOW_SHOP_MANAGER_ACCESS;
	}

	/**
	 * Clear phrase before processing regex expression.
	 * Some user inputs might contain special characters which should be escaped.
	 *
	 * @return string
	 */
	public static function escPhraseForRegex( $phrase ) {

		$phrase = preg_replace_callback( "/([!@#$&()\-\[\]{}\\`.+,\/\"\\'])/", function ( $matches ) {
			return '\\' . $matches[0];
		}, $phrase );

		return $phrase;
	}

	/**
	 * Esc not allowed HTML tags for No Results text
	 *
	 * @return string
	 */
	public static function ksesNoResults( $content ) {

		$content = wp_kses( $content, array(
			'div'  => array(
				'class' => array(),
			),
			'span' => array(
				'class' => array(),
			),
			'a'    => array(
				'href' => array(),
			),
			'br'   => array(),
			'p'    => array(),
			'em'   => array(),
			'b'    => array(),
			'ol'   => array(),
			'ul'   => array(),
			'li'   => array(),
			'h1'   => array(),
			'h2'   => array(),
			'h3'   => array(),
			'h4'   => array(),
			'h5'   => array(),
			'h6'   => array()
		) );

		return $content;
	}

	/**
	 * Convert text to Greeklish
	 *
	 * @param string $text
	 *
	 * @return string
	 */
	public static function convertToGreeklish__premium_only( $text ) {
		$greekLatinMap = array(
			'ευα' => 'eva',
			'ευη' => 'evi',
			'ευε' => 'eve',
			'ευκ' => 'efk',
			'ευμ' => 'evm',
			'χτ'  => 'kt',
			'ντ'  => 'nt',
			'ευ'  => 'ef',
			'ά'   => 'a',
			'ώ'   => 'o',
			'έ'   => 'e',
			'ό'   => 'o',
			'ί'   => 'i',
			'ή'   => 'i',
			'ϊ'   => 'i',
			'ϋ'   => 'i',
			'ύ'   => 'i',
			'λλ'  => 'l',
			'σσ'  => 's',
			'τζ'  => 'g',
			'γγ'  => 'g',
			'γκ'  => 'g',
			'κκ'  => 'k',
			'μμ'  => 'm',
			'νν'  => 'n',
			'φφ'  => 'f',
			'ρρ'  => 'r',
			'ττ'  => 't',
			'αι'  => 'e',
			'οι'  => 'i',
			'ει'  => 'i',
			'υι'  => 'i',
			'ου'  => 'ou',
			'σ'   => 's',
			'τ'   => 't',
			'υ'   => 'i',
			'φ'   => 'f',
			'χ'   => 'x',
			'ψ'   => 'ps',
			'ω'   => 'o',
			'α'   => 'a',
			'β'   => 'v',
			'γ'   => 'g',
			'δ'   => 'd',
			'ε'   => 'e',
			'ζ'   => 'z',
			'η'   => 'i',
			'θ'   => '',
			'ι'   => 'i',
			'κ'   => 'k',
			'λ'   => 'l',
			'μ'   => 'm',
			'ν'   => 'n',
			'ξ'   => 'ks',
			'ο'   => 'o',
			'ρ'   => 'r',
			'π'   => 'p',
			'oi'  => 'i',
			'mb'  => 'mp',
			'ei'  => 'i',
			'll'  => 'l',
			'gk'  => 'g',
			'kk'  => 'k',
			'ff'  => 'f',
			'mm'  => 'm',
			'nn'  => 'n',
			'rr'  => 'r',
			'tt'  => 't',
			'ph'  => 'f',
			'oy'  => 'ou',
			'ai'  => 'e',
			'ss'  => 's',
			'th'  => '',
			'w'   => 'o',
			'h'   => 'i',
			'd'   => 'nt',
			'b'   => 'mp',
			'c'   => 'k',
			'y'   => 'i',
		);

		return strtr( mb_strtolower( $text ), $greekLatinMap );
	}

	/**
	 * Check if the text contains Greek characters
	 *
	 * @param string $text
	 *
	 * @return bool
	 */
	public static function isGreekText__premium_only( $text ) {
		preg_match_all( '/[\p{Greek}]+/u', $text, $matches, PREG_SET_ORDER, 0 );

		return ! empty( $matches );
	}

	/**
	 * Remove Greek accents
	 *
	 * @param string $text The text to process.
	 *
	 * @return string
	 */
	public static function removeGreekAccents( $text ) {
		$chars = array(
			'Ά' => 'Α',
			'ά' => 'α',
			'Έ' => 'Ε',
			'έ' => 'α',
			'Ί' => 'Ι',
			'ί' => 'ι',
			'ΐ' => 'ϊ',
			'Ύ' => 'Υ',
			'ύ' => 'υ',
			'ΰ' => 'ϋ',
			'Ή' => 'Η',
			'ή' => 'η',
			'Ό' => 'Ο',
			'ό' => 'ο',
			'Ώ' => 'Ω',
			'ώ' => 'ω',
		);

		return strtr( $text, $chars );
	}

	/**
	 * Test if phrase contains blacklisted term
	 *
	 * @param string $phrase Search phrase.
	 *
	 * @return bool
	 */
	public static function phraseContainsBlacklistedTerm( $phrase ) {
		$blacklistedTerms = apply_filters( 'dgwt/wcas/blacklisted_terms', array() );
		if ( is_array( $blacklistedTerms ) ) {
			foreach ( $blacklistedTerms as $term ) {
				if ( mb_stripos( $phrase, $term ) !== false ) {
					return true;
				}
			}
		}

		if (
			apply_filters( 'dgwt/wcas/blacklisted_terms/check_js', true ) &&
			self::containsJsScript( $phrase )
		) {
			return true;
		}

		return false;
	}

	/**
	 * Get specific label of the post type
	 *
	 * @param string|\WP_Post_Type $postType
	 * @param string $label
	 *
	 * @return string
	 */
	public static function getPostTypeLabel( $postType, $label ) {

		$text  = '';
		$obj   = null;
		$label = sanitize_key( $label );

		if ( is_string( $postType ) ) {
			$obj = get_post_type_object( $postType );
		}

		if ( is_object( $postType ) && is_a( $postType, 'WP_Post_Type' ) ) {
			$obj = $postType;
		}

		if ( ! empty( $obj->labels ) && ! empty( $obj->labels->$label ) ) {
			$text = $obj->labels->$label;
		}

		return $text;
	}

	/**
	 * Check if the string contains JS script
	 *
	 * @param string $text
	 *
	 * @return bool
	 */
	public static function containsJsScript( $text ) {
		return ! empty( $text ) && preg_match( '/<script[^>]*?>/', $text );
	}

	/**
	 * Remove content of <script> and <style> tag.
	 * Based on {@see wp_strip_all_tags()}.
	 *
	 * @param string $text
	 *
	 * @return bool
	 */
	public static function stripScripts( $text ) {
		if ( empty( $text ) ) {
			return '';
		}

		return preg_replace( '@<(script|style)[^>]*?>.*?</\\1>@si', '', $text );
	}

	/**
	 * Format HTML output
	 *
	 * @param string $html
	 * @param string $context Available contexts: name, sku, rating, price, description, stock_status, read_more, attribute_label, attribute_value
	 *
	 * @return string
	 */
	public static function secureHtmlOutput( $html, $context = '' ) {
		$output = wp_kses_post( $html );

		return apply_filters( 'dgwt/wcas/secure_html_output', $output, $context, $html );
	}
}