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<?php
/**
* Backwards compatibility class for WPSEO_Frontend.
*
* @package Yoast\YoastSEO\Backwards_Compatibility
*/
use Yoast\WP\SEO\Memoizers\Meta_Tags_Context_Memoizer;
use Yoast\WP\SEO\Presenters\Canonical_Presenter;
use Yoast\WP\SEO\Presenters\Meta_Description_Presenter;
use Yoast\WP\SEO\Presenters\Rel_Next_Presenter;
use Yoast\WP\SEO\Presenters\Rel_Prev_Presenter;
use Yoast\WP\SEO\Presenters\Robots_Presenter;
use Yoast\WP\SEO\Surfaces\Helpers_Surface;
/**
* Class WPSEO_Frontend
*
* @codeCoverageIgnore Because of deprecation.
*/
class WPSEO_Frontend {
/**
* Instance of this class.
*
* @var WPSEO_Frontend
*/
public static $instance;
/**
* The memoizer for the meta tags context.
*
* @var Meta_Tags_Context_Memoizer
*/
private $context_memoizer;
/**
* The WPSEO Replace Vars object.
*
* @var WPSEO_Replace_Vars
*/
private $replace_vars;
/**
* The helpers surface.
*
* @var Helpers_Surface
*/
private $helpers;
/**
* WPSEO_Frontend constructor.
*/
public function __construct() {
$this->context_memoizer = YoastSEO()->classes->get( Meta_Tags_Context_Memoizer::class );
$this->replace_vars = YoastSEO()->classes->get( WPSEO_Replace_Vars::class );
$this->helpers = YoastSEO()->classes->get( Helpers_Surface::class );
}
/**
* Catches call to methods that don't exist and might deprecated.
*
* @param string $method The called method.
* @param array $arguments The given arguments.
*/
public function __call( $method, $arguments ) {
_deprecated_function( $method, 'WPSEO 14.0' );
$title_methods = [
'title',
'fix_woo_title',
'get_content_title',
'get_seo_title',
'get_taxonomy_title',
'get_author_title',
'get_title_from_options',
'get_default_title',
'force_wp_title',
];
if ( in_array( $method, $title_methods, true ) ) {
return $this->get_title();
}
return null;
}
/**
* Retrieves an instance of the class.
*
* @return static The instance.
*/
public static function get_instance() {
if ( is_null( self::$instance ) ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Outputs the canonical value.
*
* @param bool $echo Whether or not to output the canonical element.
* @param bool $un_paged Whether or not to return the canonical with or without pagination added to the URL.
* @param bool $no_override Whether or not to return a manually overridden canonical.
*
* @return string|void
*/
public function canonical( $echo = true, $un_paged = false, $no_override = false ) {
_deprecated_function( __METHOD__, 'WPSEO 14.0' );
$presentation = $this->get_current_page_presentation();
$presenter = new Canonical_Presenter();
/** This filter is documented in src/integrations/front-end-integration.php */
$presenter->presentation = $presentation;
$presenter->helpers = $this->helpers;
$presenter->replace_vars = $this->replace_vars;
if ( ! $echo ) {
return $presenter->get();
}
echo $presenter->present();
}
/**
* Retrieves the meta robots value.
*
* @return string
*/
public function get_robots() {
_deprecated_function( __METHOD__, 'WPSEO 14.0' );
$presentation = $this->get_current_page_presentation();
return $presentation->robots;
}
/**
* Outputs the meta robots value.
*/
public function robots() {
_deprecated_function( __METHOD__, 'WPSEO 14.0' );
$presentation = $this->get_current_page_presentation();
$presenter = new Robots_Presenter();
$presenter->presentation = $presentation;
$presenter->helpers = $this->helpers;
$presenter->replace_vars = $this->replace_vars;
echo $presenter->present();
}
/**
* Determine $robots values for a single post.
*
* @param array $robots Robots data array.
* @param int $post_id The post ID for which to determine the $robots values, defaults to current post.
*
* @return array
*/
public function robots_for_single_post( $robots, $post_id = 0 ) {
_deprecated_function( __METHOD__, 'WPSEO 14.0' );
$presentation = $this->get_current_page_presentation();
return $presentation->robots;
}
/**
* Used for static home and posts pages as well as singular titles.
*
* @param object|null $object If filled, object to get the title for.
*
* @return string The content title.
*/
private function get_title( $object = null ) {
_deprecated_function( __METHOD__, 'WPSEO 14.0' );
$presentation = $this->get_current_page_presentation();
$title = $presentation->title;
return $this->replace_vars->replace( $title, $presentation->source );
}
/**
* This function adds paging details to the title.
*
* @param string $sep Separator used in the title.
* @param string $seplocation Whether the separator should be left or right.
* @param string $title The title to append the paging info to.
*
* @return string
*/
public function add_paging_to_title( $sep, $seplocation, $title ) {
_deprecated_function( __METHOD__, 'WPSEO 14.0' );
return $title;
}
/**
* Add part to title, while ensuring that the $seplocation variable is respected.
*
* @param string $sep Separator used in the title.
* @param string $seplocation Whether the separator should be left or right.
* @param string $title The title to append the title_part to.
* @param string $title_part The part to append to the title.
*
* @return string
*/
public function add_to_title( $sep, $seplocation, $title, $title_part ) {
_deprecated_function( __METHOD__, 'WPSEO 14.0' );
if ( $seplocation === 'right' ) {
return $title . $sep . $title_part;
}
return $title_part . $sep . $title;
}
/**
* Adds 'prev' and 'next' links to archives.
*
* @link http://googlewebmastercentral.blogspot.com/2011/09/pagination-with-relnext-and-relprev.html
*/
public function adjacent_rel_links() {
_deprecated_function( __METHOD__, 'WPSEO 14.0' );
$presentation = $this->get_current_page_presentation();
$rel_prev_presenter = new Rel_Prev_Presenter();
$rel_prev_presenter->presentation = $presentation;
$rel_prev_presenter->helpers = $this->helpers;
$rel_prev_presenter->replace_vars = $this->replace_vars;
echo $rel_prev_presenter->present();
$rel_next_presenter = new Rel_Next_Presenter();
$rel_next_presenter->presentation = $presentation;
$rel_next_presenter->helpers = $this->helpers;
$rel_next_presenter->replace_vars = $this->replace_vars;
echo $rel_next_presenter->present();
}
/**
* Outputs the meta description element or returns the description text.
*
* @param bool $echo Echo or return output flag.
*
* @return string
*/
public function metadesc( $echo = true ) {
_deprecated_function( __METHOD__, 'WPSEO 14.0' );
$presentation = $this->get_current_page_presentation();
$presenter = new Meta_Description_Presenter();
$presenter->presentation = $presentation;
$presenter->helpers = $this->helpers;
$presenter->replace_vars = $this->replace_vars;
if ( ! $echo ) {
return $presenter->get();
}
$presenter->present();
}
/**
* Returns the current page presentation.
*
* @return Indexable_Presentation The current page presentation.
*/
private function get_current_page_presentation() {
$context = $this->context_memoizer->for_current_page();
/** This filter is documented in src/integrations/front-end-integration.php */
return \apply_filters( 'wpseo_frontend_presentation', $context->presentation, $context );
}
}