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<?php
/**
* A helper object for pagination.
*
* @package Yoast\WP\SEO\Helpers
*/
namespace Yoast\WP\SEO\Helpers;
use Yoast\WP\SEO\Wrappers\WP_Query_Wrapper;
use Yoast\WP\SEO\Wrappers\WP_Rewrite_Wrapper;
/**
* Class Pagination_Helper.
*
* Used for the canonical URL and the rel "next" and "prev" meta tags.
*/
class Pagination_Helper {
/**
* Holds the WP rewrite wrapper instance.
*
* @var WP_Rewrite_Wrapper WP_Rewrite wrapper.
*/
protected $wp_rewrite_wrapper;
/**
* Holds the WP query wrapper instance.
*
* @var WP_Query_Wrapper WP_Query wrapper.
*/
protected $wp_query_wrapper;
/**
* Pagination_Helper constructor.
*
* @param WP_Rewrite_Wrapper $wp_rewrite_wrapper The rewrite wrapper.
* @param WP_Query_Wrapper $wp_query_wrapper The query wrapper.
*
* @codeCoverageIgnore
*/
public function __construct(
WP_Rewrite_Wrapper $wp_rewrite_wrapper,
WP_Query_Wrapper $wp_query_wrapper
) {
$this->wp_rewrite_wrapper = $wp_rewrite_wrapper;
$this->wp_query_wrapper = $wp_query_wrapper;
}
/**
* Checks whether adjacent rel links are disabled.
*
* @return bool Whether adjacent rel links are disabled or not.
*/
public function is_rel_adjacent_disabled() {
/**
* Filter: 'wpseo_disable_adjacent_rel_links' - Allows disabling of Yoast adjacent links if this is being handled by other code.
*
* @api bool $links_generated Indicates if other code has handled adjacent links.
*/
return \apply_filters( 'wpseo_disable_adjacent_rel_links', false );
}
/**
* Builds a paginated URL.
*
* @param string $url The un-paginated URL of the current archive.
* @param string $page The page number to add on to $url for the $link tag.
* @param bool $add_pagination_base Optional. Whether to add the pagination base (`page`) to the url.
* @param string $pagination_query_name Optional. The name of the query argument that holds the current page.
*
* @return string The paginated URL.
*/
public function get_paginated_url( $url, $page, $add_pagination_base = true, $pagination_query_name = 'page' ) {
$wp_rewrite = $this->wp_rewrite_wrapper->get();
if ( $wp_rewrite->using_permalinks() ) {
$url = \trailingslashit( $url );
if ( $add_pagination_base ) {
$url .= \trailingslashit( $wp_rewrite->pagination_base );
}
return \user_trailingslashit( $url . $page );
}
return \add_query_arg( $pagination_query_name, $page, \user_trailingslashit( $url ) );
}
/**
* Gets the number of archive pages.
*
* @return int The number of archive pages.
*/
public function get_number_of_archive_pages() {
$wp_query = $this->wp_query_wrapper->get_query();
return (int) $wp_query->max_num_pages;
}
/**
* Returns the current page for paged archives.
*
* @return int The current archive page.
*/
public function get_current_archive_page_number() {
$wp_query = $this->wp_query_wrapper->get_main_query();
return (int) $wp_query->get( 'paged' );
}
/**
* Returns the current page for paged post types.
*
* @return int The current post page.
*/
public function get_current_post_page_number() {
$wp_query = $this->wp_query_wrapper->get_main_query();
return (int) $wp_query->get( 'page' );
}
}