Fix File

• /home/sportsfe.../httpdocs/wp-conte.../plugins/sitepres.../classes/request-...

• File: class-wpml-language-resolution.php

• Content:

<?php

/**
 * Class WPML_Language_Resolution
 *
 * @package    wpml-core
 * @subpackage wpml-requests
 */
class WPML_Language_Resolution {

private $active_language_codes = array();
	private $current_request_lang = null;
	private $default_lang = null;
	/**
	 * @var array|null $hidden_lang_codes if set to null,
	 * indicates that the cache needs to be reloaded due to changing settings
	 * or current user within the request
	 */
	private $hidden_lang_codes = null;

/**
	 * WPML_Language_Resolution constructor.
	 *
	 * @param string[] $active_language_codes
	 * @param string   $default_lang
	 */
	public function __construct( $active_language_codes, $default_lang ) {
		add_action( 'wpml_cache_clear', array( $this, 'reload' ), 11, 0 );
		$this->active_language_codes = array_fill_keys( $active_language_codes,
			1 );
		$this->default_lang          = $default_lang;
		$this->hidden_lang_codes     = array_fill_keys( wpml_get_setting_filter( array(),
			'hidden_languages' ), 1 );
	}

public function reload() {
		$this->active_language_codes = array();
		$this->hidden_lang_codes     = null;
		$this->default_lang          = null;
		$this->maybe_reload();
	}

public function current_lang_filter( $lang, WPML_Request $wpml_request_handler ) {
		if ( $this->current_request_lang !== $lang ) {
			$preview_lang = $this->filter_preview_language_code();

if ( $preview_lang ) {
				$lang = $preview_lang;
			} elseif ( $this->use_cookie_language() ) {
				$lang = $wpml_request_handler->get_cookie_lang();
			}
		}
		$this->current_request_lang = $this->filter_for_legal_langs( $lang );

return $this->current_request_lang;
	}

public function get_active_language_codes() {
		$this->maybe_reload();

return array_keys( $this->active_language_codes );
	}

public function is_language_hidden( $lang_code ) {
		$this->maybe_reload();

return isset( $this->hidden_lang_codes[ $lang_code ] );
	}

public function is_language_active( $lang_code, $is_all_active = false ) {
		global $wpml_request_handler;
		$this->maybe_reload();

return ( $is_all_active === true && $lang_code === 'all' )
			   || isset( $this->active_language_codes[ $lang_code ] )
			   || ( $wpml_request_handler->show_hidden() && $this->is_language_hidden( $lang_code ) );
	}

private function maybe_reload() {
		$this->default_lang          = $this->default_lang
			? $this->default_lang : wpml_get_setting_filter( false, 'default_language' );
		$this->active_language_codes = (bool) $this->active_language_codes === true
			? $this->active_language_codes : array_fill_keys( wpml_reload_active_languages_setting( true ), 1 );
	}

/**
	 * Returns the language_code of the http referrer's location from which a request originated.
	 * Used to correctly determine the language code on ajax link lists for the post edit screen or
	 * the flat taxonomy auto-suggest.
	 *
	 * @return string|null
	 */
	public function get_referrer_language_code() {
		if ( ! empty( $_SERVER['HTTP_REFERER'] ) ) {
			$query_string = wpml_parse_url( $_SERVER['HTTP_REFERER'], PHP_URL_QUERY );
			$query        = array();
			parse_str( (string) $query_string, $query );
			$language_code = isset( $query['lang'] ) ? $query['lang'] : null;
		}

return isset( $language_code ) ? $language_code : null;
	}

/**
	 *
	 * Sets the language of frontend requests to false, if they are not for
	 * a hidden or active language code. The handling of permissions in case of
	 * hidden languages is done in \SitePress::init.
	 *
	 * @param string $lang
	 *
	 * @return string
	 */
	private function filter_for_legal_langs( $lang ) {

$this->maybe_reload();

if ( $lang === 'all' && is_admin() ) {
			return 'all';
		}

if ( ! isset( $this->hidden_lang_codes[ $lang ] ) && ! isset( $this->active_language_codes[ $lang ] ) ) {
			$lang = $this->default_lang ? $this->default_lang : icl_get_setting( 'default_language' );
		}

return $lang;
	}

/**
	 * @return bool
	 */
	private function use_cookie_language() {

return ( isset( $_GET['action'] ) && $_GET['action'] === 'ajax-tag-search' )
		       || ( isset( $_POST['action'] ) && in_array( $_POST['action'],
				array( 'get-tagcloud', 'wp-link-ajax' ), true ) );
	}

/**
	 * Adjusts the output of the filtering for the current language in case
	 * the request is for a preview page.
	 *
	 * @return null|string
	 */
	private function filter_preview_language_code() {
		$preview_id   = filter_var(
			isset( $_GET['preview_id'] ) ? $_GET['preview_id'] : '',
			FILTER_SANITIZE_NUMBER_INT );
		$preview_flag = filter_input( INPUT_GET, 'preview' ) || $preview_id;
		$preview_id   = $preview_id ? $preview_id : filter_input( INPUT_GET, 'p' );
		$preview_id   = $preview_id ? $preview_id : filter_input( INPUT_GET, 'page_id' );
		$lang         = null;

if ( $preview_flag && $preview_id ) {
			global $wpml_post_translations;
			$lang = $wpml_post_translations->get_element_lang_code( $preview_id );
		}

return $lang;
	}
}

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