: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
namespace Yoast\WP\SEO\Helpers;
use Yoast\WP\SEO\Wrappers\WP_Query_Wrapper;
* A helper object for WordPress posts.
class Current_Page_Helper {
private $wp_query_wrapper;
* Current_Page_Helper constructor.
* @codeCoverageIgnore It only sets dependencies.
* @param WP_Query_Wrapper $wp_query_wrapper The wrapper for WP_Query.
public function __construct(
WP_Query_Wrapper $wp_query_wrapper
$this->wp_query_wrapper = $wp_query_wrapper;
* Returns the page type for the current request.
* @codeCoverageIgnore It just depends on other functions for its result.
* @return string Page type.
public function get_page_type() {
case $this->is_search_result():
return 'Search_Result_Page';
case $this->is_static_posts_page():
return 'Static_Posts_Page';
case $this->is_home_static_page():
return 'Static_Home_Page';
case $this->is_home_posts_page():
case $this->is_simple_page():
case $this->is_post_type_archive():
return 'Post_Type_Archive';
case $this->is_term_archive():
case $this->is_author_archive():
case $this->is_date_archive():
* Checks if the currently opened page is a simple page.
* @return bool Whether the currently opened page is a simple page.
public function is_simple_page() {
return $this->get_simple_page_id() > 0;
* Returns the id of the currently opened page.
* @return int The id of the currently opened page.
public function get_simple_page_id() {
if ( $this->is_posts_page() ) {
return \get_option( 'page_for_posts' );
* Filter: Allow changing the default page id.
* @param int $page_id The default page id.
return \apply_filters( 'wpseo_frontend_page_type_simple_page_id', 0 );
* Returns the id of the currently opened author archive.
* @codeCoverageIgnore It wraps WordPress functionality.
* @return int The id of the currently opened author archive.
public function get_author_id() {
$wp_query = $this->wp_query_wrapper->get_main_query();
return $wp_query->get( 'author' );
* Returns the id of the front page.
* @return int The id of the front page. 0 if the front page is not a static page.
public function get_front_page_id() {
if ( \get_option( 'show_on_front' ) !== 'page' ) {
return (int) \get_option( 'page_on_front' );
* Returns the id of the currently opened term archive.
* @return int The id of the currently opened term archive.
public function get_term_id() {
$wp_query = $this->wp_query_wrapper->get_main_query();
if ( $wp_query->is_tax() || $wp_query->is_tag() || $wp_query->is_category() ) {
$queried_object = $wp_query->get_queried_object();
if ( $queried_object && ! \is_wp_error( $queried_object ) ) {
return $queried_object->term_id;
* Returns the post type of the main query.
* @return string The post type of the main query.
public function get_queried_post_type() {
$wp_query = $this->wp_query_wrapper->get_main_query();
$post_type = $wp_query->get( 'post_type' );
if ( \is_array( $post_type ) ) {
$post_type = \reset( $post_type );
* Returns the permalink of the currently opened date archive.
* If the permalink was cached, it returns this permalink.
* If not, we call another function to get the permalink through wp_query.
* @return string The permalink of the currently opened date archive.
public function get_date_archive_permalink() {
static $date_archive_permalink;
if ( isset( $date_archive_permalink ) ) {
return $date_archive_permalink;
$date_archive_permalink = $this->get_non_cached_date_archive_permalink();
return $date_archive_permalink;
* Determine whether this is the homepage and shows posts.
* @return bool Whether or not the current page is the homepage that displays posts.
public function is_home_posts_page() {
$wp_query = $this->wp_query_wrapper->get_main_query();
if ( ! $wp_query->is_home() ) {
* Whether the static page's `Homepage` option is actually not set to a page.
* Otherwise WordPress proceeds to handle the homepage as a `Your latest posts` page.
if ( (int) \get_option( 'page_on_front' ) === 0 ) {
return \get_option( 'show_on_front' ) === 'posts';
* Determine whether this is the static frontpage.
* @return bool Whether or not the current page is a static frontpage.
public function is_home_static_page() {
$wp_query = $this->wp_query_wrapper->get_main_query();
if ( ! $wp_query->is_front_page() ) {
if ( \get_option( 'show_on_front' ) !== 'page' ) {
return $wp_query->is_page( \get_option( 'page_on_front' ) );
* Determine whether this is the static posts page.
* @return bool Whether or not the current page is a static posts page.
public function is_static_posts_page() {
$wp_query = $this->wp_query_wrapper->get_main_query();
$queried_object = $wp_query->get_queried_object();
&& \is_a( $queried_object, WP_Post::class )
&& $queried_object->post_type === 'page'
* Determine whether this is the statically set posts page, when it's not the frontpage.
* @return bool Whether or not it's a non-frontpage, statically set posts page.
public function is_posts_page() {
$wp_query = $this->wp_query_wrapper->get_main_query();
if ( ! $wp_query->is_home() ) {
return \get_option( 'show_on_front' ) === 'page';
* Determine whether this is a post type archive.
* @codeCoverageIgnore It wraps WordPress functionality.
* @return bool Whether nor not the current page is a post type archive.
public function is_post_type_archive() {
$wp_query = $this->wp_query_wrapper->get_main_query();
return $wp_query->is_post_type_archive();
* Determine whether this is a term archive.
* @codeCoverageIgnore It wraps WordPress functionality.
* @return bool Whether nor not the current page is a term archive.
public function is_term_archive() {
$wp_query = $this->wp_query_wrapper->get_main_query();
return $wp_query->is_tax || $wp_query->is_tag || $wp_query->is_category;
* Determine whether this is an attachment page.
* @codeCoverageIgnore It wraps WordPress functionality.
* @return bool Whether nor not the current page is an attachment page.
public function is_attachment() {
$wp_query = $this->wp_query_wrapper->get_main_query();
return $wp_query->is_attachment;
* Determine whether this is an author archive.
* @codeCoverageIgnore It wraps WordPress functionality.
* @return bool Whether nor not the current page is an author archive.
public function is_author_archive() {
$wp_query = $this->wp_query_wrapper->get_main_query();
return $wp_query->is_author();
* Determine whether this is an date archive.
* @codeCoverageIgnore It wraps WordPress functionality.
* @return bool Whether nor not the current page is an date archive.
public function is_date_archive() {
$wp_query = $this->wp_query_wrapper->get_main_query();
return $wp_query->is_date();
* Determine whether this is a search result.
* @codeCoverageIgnore It wraps WordPress functionality.
* @return bool Whether nor not the current page is a search result.
public function is_search_result() {
$wp_query = $this->wp_query_wrapper->get_main_query();
return $wp_query->is_search();
* Determine whether this is a 404 page.
* @codeCoverageIgnore It wraps WordPress functionality.
* @return bool Whether nor not the current page is a 404 page.
public function is_404() {
$wp_query = $this->wp_query_wrapper->get_main_query();
return $wp_query->is_404();
* Checks if the current page is the post format archive.
* @codeCoverageIgnore It wraps WordPress functionality.
* @return bool Whether or not the current page is the post format archive.
public function is_post_format_archive() {
$wp_query = $this->wp_query_wrapper->get_main_query();
return $wp_query->is_tax( 'post_format' );
* Determine whether this page is an taxonomy archive page for multiple terms (url: /term-1,term2/).
* @return bool Whether or not the current page is an archive page for multiple terms.
public function is_multiple_terms_page() {
if ( ! $this->is_term_archive() ) {
return $this->count_queried_terms() > 1;
* Checks whether the current page is paged.
* @codeCoverageIgnore This method only calls a WordPress function.
* @return bool Whether the current page is paged.
public function is_paged() {
* Checks if the current page is the front page.
* @codeCoverageIgnore It wraps WordPress functionality.
* @return bool Whether or not the current page is the front page.
public function is_front_page() {
$wp_query = $this->wp_query_wrapper->get_main_query();
return $wp_query->is_front_page();
* Retrieves the current admin page.
* @codeCoverageIgnore It only wraps a global WordPress variable.
* @return string The current page.
public function get_current_admin_page() {
* Check if the current opened page is a Yoast SEO page.
* @return bool True when current page is a yoast seo plugin page.
public function is_yoast_seo_page() {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reason: We are not processing form information.
if ( isset( $_GET['page'] ) && \is_string( $_GET['page'] ) ) {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended,WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Reason: We are not processing form information, We are only using the variable in the strpos function.
$current_page = \wp_unslash( $_GET['page'] );
return \strpos( $current_page, 'wpseo_' ) === 0;
* Returns the current Yoast SEO page.
* (E.g. the `page` query variable in the URL).
* @return string The current Yoast SEO page.
public function get_current_yoast_seo_page() {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reason: We are not processing form information.
if ( isset( $_GET['page'] ) && \is_string( $_GET['page'] ) ) {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reason: We are not processing form information.
return \sanitize_text_field( \wp_unslash( $_GET['page'] ) );
* Checks if the current global post is the privacy policy page.
* @return bool current global post is set as privacy page
public function current_post_is_privacy_policy() {
if ( ! isset( $post->ID ) ) {
return \intval( $post->ID ) === \intval( \get_option( 'wp_page_for_privacy_policy', false ) );
* Returns the permalink of the currently opened date archive.
* @return string The permalink of the currently opened date archive.
protected function get_non_cached_date_archive_permalink() {
$date_archive_permalink = '';
$wp_query = $this->wp_query_wrapper->get_main_query();
if ( $wp_query->is_day() ) {
$date_archive_permalink = \get_day_link( $wp_query->get( 'year' ), $wp_query->get( 'monthnum' ), $wp_query->get( 'day' ) );
if ( $wp_query->is_month() ) {
$date_archive_permalink = \get_month_link( $wp_query->get( 'year' ), $wp_query->get( 'monthnum' ) );
if ( $wp_query->is_year() ) {
$date_archive_permalink = \get_year_link( $wp_query->get( 'year' ) );
return $date_archive_permalink;
* Counts the total amount of queried terms.
* @codeCoverageIgnore This relies too much on WordPress dependencies.
* @return int The amoumt of queried terms.
protected function count_queried_terms() {
$wp_query = $this->wp_query_wrapper->get_main_query();
$term = $wp_query->get_queried_object();
$queried_terms = $wp_query->tax_query->queried_terms;
if ( \is_null( $term ) || empty( $queried_terms[ $term->taxonomy ]['terms'] ) ) {
return \count( $queried_terms[ $term->taxonomy ]['terms'] );
It is recommended that you Edit text format, this type of Fix handles quite a lot in one request
