%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* The Paper Class
*
* @since 1.0.22
* @package RankMath
* @subpackage RankMath\Paper
* @author Rank Math <support@rankmath.com>
*/
namespace RankMath\Paper;
use RankMath\Post;
use RankMath\Helper;
use RankMath\Sitemap\Router;
use RankMath\Traits\Hooker;
use RankMath\Helpers\Str;
use RankMath\Helpers\Url;
use RankMath\Helpers\Security;
defined( 'ABSPATH' ) || exit;
/**
* Paper class.
*/
class Paper {
use Hooker;
/**
* Hold the class instance.
*
* @var object
*/
private static $instance = null;
/**
* Hold current paper object.
*
* @var IPaper
*/
private $paper = null;
/**
* Hold title.
*
* @var string
*/
private $title = null;
/**
* Hold description.
*
* @var string
*/
private $description = null;
/**
* Hold robots.
*
* @var array
*/
private $robots = null;
/**
* Hold canonical.
*
* @var array
*/
private $canonical = null;
/**
* Hold keywords.
*
* @var string
*/
private $keywords = null;
/**
* Initialize object
*
* @return object Post|Term|User.
*/
public static function get() {
if ( ! is_null( self::$instance ) ) {
return self::$instance;
}
self::$instance = new Paper();
self::$instance->setup();
return self::$instance;
}
/**
* Setup paper.
*/
private function setup() {
foreach ( $this->get_papers() as $class_name => $is_valid ) {
if ( $this->do_filter( 'paper/is_valid/' . strtolower( $class_name ), $is_valid ) ) {
$class_name = '\\RankMath\\Paper\\' . $class_name;
$this->paper = new $class_name();
break;
}
}
if ( ! method_exists( $this->paper, 'set_object' ) ) {
return;
}
if ( Post::is_home_static_page() ) {
$this->paper->set_object( get_queried_object() );
} elseif ( Post::is_simple_page() ) {
$post = Post::get( Post::get_page_id() );
$this->paper->set_object( $post->get_object() );
}
}
/**
* Get papers types.
*
* @return array
*/
private function get_papers() {
return $this->do_filter(
'paper/hash',
[
'Search' => is_search(),
'Shop' => Post::is_shop_page(),
'Singular' => Post::is_home_static_page() || Post::is_simple_page(),
'Blog' => Post::is_home_posts_page(),
'Author' => is_author() || ( Helper::is_module_active( 'bbpress' ) && function_exists( 'bbp_is_single_user' ) && bbp_is_single_user() ),
'Date' => is_date(),
'Taxonomy' => is_category() || is_tag() || is_tax(),
'Archive' => is_archive(),
'Error_404' => is_404(),
'Misc' => true,
]
);
}
/**
* Get title after sanitization.
*
* @return string
*/
public function get_title() {
if ( ! is_null( $this->title ) ) {
return $this->title;
}
/**
* Allow changing the title.
*
* @param string $title The page title being put out.
*/
$this->title = $this->do_filter( 'frontend/title', $this->paper->title() );
// Early Bail!!
if ( '' === $this->title ) {
return $this->title;
}
// Remove excess whitespace.
$this->title = preg_replace( '[\s\s+]', ' ', $this->title );
// Capitalize Titles.
if ( Helper::get_settings( 'titles.capitalize_titles' ) ) {
$this->title = Str::mb_ucwords( $this->title );
}
$this->title = wp_strip_all_tags( stripslashes( $this->title ), true );
$this->title = esc_html( $this->title );
$this->title = convert_smilies( $this->title );
return $this->title;
}
/**
* Get description after sanitization.
*
* @return string
*/
public function get_description() {
if ( ! is_null( $this->description ) ) {
return $this->description;
}
/**
* Allow changing the meta description sentence.
*
* @param string $description The description sentence.
*/
$this->description = $this->do_filter( 'frontend/description', trim( $this->paper->description() ) );
// Early Bail!!
if ( '' === $this->description ) {
return $this->description;
}
$this->description = wp_strip_all_tags( stripslashes( $this->description ), true );
$this->description = esc_attr( $this->description );
return $this->description;
}
/**
* Get robots after sanitization.
*
* @return array
*/
public function get_robots() {
if ( ! is_null( $this->robots ) ) {
return $this->robots;
}
$this->robots = $this->paper->robots();
if ( empty( $this->robots ) ) {
$this->robots = self::robots_combine( Helper::get_settings( 'titles.robots_global' ) );
}
$this->validate_robots();
$this->respect_settings_for_robots();
/**
* Allows filtering of the meta robots.
*
* @param array $robots The meta robots directives to be echoed.
*/
$this->robots = $this->do_filter( 'frontend/robots', array_unique( $this->robots ) );
$this->advanced_robots();
return $this->robots;
}
/**
* Validate robots.
*/
private function validate_robots() {
if ( empty( $this->robots ) || ! is_array( $this->robots ) ) {
$this->robots = [
'index' => 'index',
'follow' => 'follow',
];
return;
}
$this->robots = array_intersect_key(
$this->robots,
[
'index' => '',
'follow' => '',
'noarchive' => '',
'noimageindex' => '',
'nosnippet' => '',
]
);
// Add Index and Follow.
if ( ! isset( $this->robots['index'] ) ) {
$this->robots = [ 'index' => 'index' ] + $this->robots;
}
if ( ! isset( $this->robots['follow'] ) ) {
$this->robots = [ 'follow' => 'follow' ] + $this->robots;
}
}
/**
* Add Advanced robots.
*/
private function advanced_robots() {
// Early Bail if robots is set to noindex or nosnippet!
if ( ( isset( $this->robots['index'] ) && 'noindex' === $this->robots['index'] ) || ( isset( $this->robots['nosnippet'] ) && 'nosnippet' === $this->robots['nosnippet'] ) ) {
return;
}
$advanced_robots = $this->paper->advanced_robots();
if ( ! is_array( $advanced_robots ) ) {
$advanced_robots = wp_parse_args(
Helper::get_settings( 'titles.advanced_robots_global' ),
[
'max-snippet' => -1,
'max-video-preview' => -1,
'max-image-preview' => 'large',
]
);
$advanced_robots = self::advanced_robots_combine( $advanced_robots );
}
$advanced_robots = array_intersect_key(
$advanced_robots,
[
'max-snippet' => '',
'max-video-preview' => '',
'max-image-preview' => '',
]
);
/**
* Allows filtering of the advanced meta robots.
*
* @param array $robots The meta robots directives to be echoed.
*/
$advanced_robots = $this->do_filter( 'frontend/advanced_robots', array_unique( $advanced_robots ) );
$this->robots = ! empty( $advanced_robots ) ? $this->robots + $advanced_robots : $this->robots;
}
/**
* Get focus keywords
*
* @return string
*/
public function get_keywords() {
if ( ! is_null( $this->keywords ) ) {
return $this->keywords;
}
/**
* Allows filtering of the meta keywords.
*
* @param array $keywords The meta keywords to be echoed.
*/
$this->keywords = $this->do_filter( 'frontend/keywords', $this->paper->keywords() );
return $this->keywords;
}
/**
* Respect some robots settings.
*/
private function respect_settings_for_robots() {
// If blog is not public or replytocom is set, then force noindex.
if ( 0 === absint( get_option( 'blog_public' ) ) || isset( $_GET['replytocom'] ) ) {
$this->robots['index'] = 'noindex';
$this->robots['follow'] = 'nofollow';
}
// Force noindex for sub-pages.
if ( is_paged() && Helper::get_settings( 'titles.noindex_archive_subpages' ) ) {
$this->robots['index'] = 'noindex';
}
}
/**
* Get canonical after sanitization.
*
* @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
*/
public function get_canonical( $un_paged = false, $no_override = false ) {
if ( is_null( $this->canonical ) ) {
$this->generate_canonical();
}
$canonical = $this->canonical['canonical'];
if ( $un_paged ) {
$canonical = $this->canonical['canonical_unpaged'];
} elseif ( $no_override ) {
$canonical = $this->canonical['canonical_no_override'];
}
return $canonical;
}
/**
* Generate canonical URL parts.
*/
private function generate_canonical() {
$this->canonical = wp_parse_args(
$this->paper->canonical(),
[
'canonical' => false,
'canonical_unpaged' => false,
'canonical_override' => false,
]
);
extract( $this->canonical ); // phpcs:ignore
if ( is_front_page() || ( function_exists( 'ampforwp_is_front_page' ) && ampforwp_is_front_page() ) ) {
$canonical = user_trailingslashit( home_url() );
}
// If not singular than we can have pagination.
if ( ! is_singular() ) {
$canonical_unpaged = $canonical;
$canonical = $this->get_canonical_paged( $canonical );
}
$this->canonical['canonical_unpaged'] = $canonical_unpaged;
$this->canonical['canonical_no_override'] = $canonical;
// Force absolute URLs for canonicals.
$canonical = Str::is_non_empty( $canonical ) && true === Url::is_relative( $canonical ) ? $this->base_url( $canonical ) : $canonical;
$canonical = Str::is_non_empty( $canonical_override ) ? $canonical_override : $canonical;
/**
* Filter the canonical URL.
*
* @param string $canonical The canonical URL.
*/
$this->canonical['canonical'] = apply_filters( 'rank_math/frontend/canonical', $canonical );
}
/**
* Get the paged version of the canonical URL if needed.
*
* @param string $canonical The canonical URL.
*
* @return string
*/
private function get_canonical_paged( $canonical ) {
global $wp_rewrite;
if ( ! $canonical || get_query_var( 'paged' ) < 2 ) {
return $canonical;
}
if ( ! $wp_rewrite->using_permalinks() ) {
return Security::add_query_arg_raw(
'paged',
get_query_var( 'paged' ),
is_front_page() ? trailingslashit( $canonical ) : $canonical
);
}
return user_trailingslashit(
trailingslashit( is_front_page() ? Router::get_base_url( '' ) : $canonical ) .
trailingslashit( $wp_rewrite->pagination_base ) .
get_query_var( 'paged' )
);
}
/**
* Get the base URL for relative URLs by parsing the home URL.
*
* @copyright Copyright (C) 2008-2019, Yoast BV
* The following code is a derivative work of the code from the Yoast (https://github.com/Yoast/wordpress-seo/), which is licensed under GPL v3.
*
* @param string $path Optional path string.
* @return string
*/
private function base_url( $path = null ) {
$parts = wp_parse_url( get_option( 'home' ) );
$base_url = trailingslashit( $parts['scheme'] . '://' . $parts['host'] );
if ( ! is_null( $path ) ) {
$base_url .= ltrim( $path, '/' );
}
return $base_url;
}
/**
* Get title or description option from the settings.
* The results will be run through the Helper::replace_vars() function.
*
* @param string $id Name of the option we are looking for.
* @param object|array $object Object to pass to the replace_vars function.
* @param string $default Default value if nothing found.
*
* @return string
*/
public static function get_from_options( $id, $object = [], $default = '' ) {
$value = Helper::get_settings( "titles.$id" );
// Break loop.
if ( ! Str::ends_with( 'default_snippet_name', $value ) && ! Str::ends_with( 'default_snippet_desc', $value ) ) {
$value = \str_replace(
[ '%seo_title%', '%seo_description%' ],
[ '%title%', '%excerpt%' ],
$value
);
}
return Helper::replace_vars( '' !== $value ? $value : $default, $object );
}
/**
* Make robots values as keyed array.
*
* @param array $robots Main instance.
* @param bool $default Append default.
*
* @return array
*/
public static function robots_combine( $robots, $default = false ) {
if ( empty( $robots ) || ! is_array( $robots ) ) {
return ! $default ? [] : [
'index' => 'index',
'follow' => 'follow',
];
}
$robots = array_combine( $robots, $robots );
// Fix noindex key to index.
if ( isset( $robots['noindex'] ) ) {
$robots = [ 'index' => $robots['noindex'] ] + $robots;
unset( $robots['noindex'] );
}
// Fix nofollow key to follow.
if ( isset( $robots['nofollow'] ) ) {
$robots = [ 'follow' => $robots['nofollow'] ] + $robots;
unset( $robots['nofollow'] );
}
return $robots;
}
/**
* Make robots values as keyed array.
*
* @param array $advanced_robots Main instance.
*
* @return array
*/
public static function advanced_robots_combine( $advanced_robots ) {
if ( empty( $advanced_robots ) ) {
return;
}
$robots = [];
foreach ( $advanced_robots as $key => $data ) {
if ( $data ) {
$robots[ $key ] = $key . ':' . $data;
}
}
return $robots;
}
/**
* Should apply shortcode on content.
*
* @return bool
*/
public static function should_apply_shortcode() {
if (
Post::is_woocommerce_page() ||
( function_exists( 'is_wcfm_page' ) && is_wcfm_page() )
) {
return false;
}
return apply_filters( 'rank_math/paper/auto_generated_description/apply_shortcode', false );
}
/**
* Clears and reinitializes the object.
*/
public static function reset() {
self::$instance = null;
return self::get();
}
}
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