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273 lines
7.8 KiB
PHTML
273 lines
7.8 KiB
PHTML
8 months ago
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<?php
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/**
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* Twitter cards functionality.
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*
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* @since 0.9.0
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* @package RankMath
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* @subpackage RankMath\OpenGraph
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* @author Rank Math <support@rankmath.com>
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*
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* @copyright Copyright (C) 2008-2019, Yoast BV
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* 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.
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*/
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namespace RankMath\OpenGraph;
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use RankMath\Helper;
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use RankMath\Post;
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use RankMath\Helpers\Str;
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use RankMath\Helpers\Arr;
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defined( 'ABSPATH' ) || exit;
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/**
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* Twitter class.
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*/
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class Twitter extends OpenGraph {
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/**
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* Network slug.
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*
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* @var string
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*/
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public $network = 'twitter';
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/**
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* Metakey prefix.
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*
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* @var string
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*/
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public $prefix = 'twitter';
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/**
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* Hold site info for twitter card.
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*
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* @var string
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*/
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private $site = null;
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/**
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* Will hold the Twitter card type being created
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*
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* @var string
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*/
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private $type;
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/**
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* The Constructor.
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*/
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public function __construct() {
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/**
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* Allow changing the Twitter Card type as output in the Twitter card.
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*
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* @param string $type
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*/
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if ( false === $this->do_filter( 'opengraph/twitter_card', true ) ) {
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return;
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}
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$this->action( 'rank_math/opengraph/twitter', 'use_facebook', 1 );
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$this->action( 'rank_math/opengraph/twitter', 'type', 5 );
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$this->action( 'rank_math/opengraph/twitter', 'title', 10 );
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$this->action( 'rank_math/opengraph/twitter', 'description', 11 );
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$this->action( 'rank_math/opengraph/twitter', 'website', 14 );
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if ( ! post_password_required() ) {
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$this->action( 'rank_math/opengraph/twitter', 'image', 30 );
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}
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if ( is_singular() ) {
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$this->action( 'rank_math/opengraph/twitter', 'article_author', 15 );
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}
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parent::__construct();
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}
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/**
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* Set `use_facebook` variable.
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*/
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public function use_facebook() {
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$use_facebook = ( is_category() || is_tag() || is_tax() ) ? Helper::get_term_meta( 'twitter_use_facebook' ) :
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Helper::get_post_meta( 'twitter_use_facebook', Post::is_shop_page() ? Post::get_shop_page_id() : 0, true );
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if ( $use_facebook ) {
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$this->prefix = 'facebook';
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}
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}
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/**
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* Display the Twitter card type.
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*
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* This defaults to summary but can be filtered using the <code>rank_math_twitter_card_type</code> filter.
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*/
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public function type() {
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$this->determine_card_type();
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$this->sanitize_card_type();
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$this->tag( 'twitter:card', $this->type );
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$remove_tags = false;
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if ( is_singular() && ! is_front_page() && in_array( $this->type, [ 'app', 'player' ], true ) ) {
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$remove_tags = 'app' === $this->type;
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$this->action( 'rank_math/opengraph/twitter', $this->type, 15 );
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}
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$remove_tags = is_date() && in_array( $this->type, [ 'summary', 'summary_large_image' ], true );
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if ( $remove_tags ) {
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$this->remove_tags();
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}
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}
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/**
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* Output App card.
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*/
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public function app() {
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$this->tag( 'twitter:description', Helper::get_post_meta( 'twitter_app_description' ) );
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$this->tag( 'twitter:app:country', Helper::get_post_meta( 'twitter_app_country' ) );
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// iPhone.
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$this->tag( 'twitter:app:name:iphone', Helper::get_post_meta( 'twitter_app_iphone_name' ) );
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$this->tag( 'twitter:app:id:iphone', Helper::get_post_meta( 'twitter_app_iphone_id' ) );
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$this->tag( 'twitter:app:url:iphone', Helper::get_post_meta( 'twitter_app_iphone_url' ) );
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// iPad.
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$this->tag( 'twitter:app:name:ipad', Helper::get_post_meta( 'twitter_app_ipad_name' ) );
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$this->tag( 'twitter:app:id:ipad', Helper::get_post_meta( 'twitter_app_ipad_id' ) );
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$this->tag( 'twitter:app:url:ipad', Helper::get_post_meta( 'twitter_app_ipad_url' ) );
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// Google Play.
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$this->tag( 'twitter:app:name:googleplay', Helper::get_post_meta( 'twitter_app_googleplay_name' ) );
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$this->tag( 'twitter:app:id:googleplay', Helper::get_post_meta( 'twitter_app_googleplay_id' ) );
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$this->tag( 'twitter:app:url:googleplay', Helper::get_post_meta( 'twitter_app_googleplay_url' ) );
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}
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/**
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* Output player card.
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*/
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public function player() {
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$this->tag( 'twitter:player', Helper::get_post_meta( 'twitter_player_url' ) );
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$size = Helper::get_post_meta( 'twitter_player_size' );
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if ( $size ) {
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$size = Arr::from_string( $size, 'x' );
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if ( isset( $size[1] ) ) {
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$twitter_meta['twitter:player:width'] = (int) $size[0];
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$twitter_meta['twitter:player:height'] = (int) $size[1];
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}
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}
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$this->tag( 'twitter:player:stream', Helper::get_post_meta( 'twitter_player_stream' ) );
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$this->tag( 'twitter:player:stream:content_type', Helper::get_post_meta( 'twitter_player_stream_ctype' ) );
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}
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/**
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* Output the title.
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*/
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public function title() {
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$this->tag( 'twitter:title', trim( $this->get_title() ) );
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}
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/**
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* Output the description.
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*/
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public function description() {
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$this->tag( 'twitter:description', trim( $this->get_description() ) );
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}
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/**
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* Output the Twitter account for the site.
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*/
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public function website() {
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$this->site = Helper::get_settings( 'titles.twitter_author_names' );
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if ( Str::is_non_empty( $this->site ) ) {
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$this->tag( 'twitter:site', '@' . $this->site );
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}
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}
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/**
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* Output the image for Twitter.
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*
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* Only used when OpenGraph is inactive or Summary Large Image card is chosen.
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*/
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public function image() {
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$images = new Image( false, $this );
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foreach ( $images->get_images() as $image_url => $image_meta ) {
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$overlay = $this->get_overlay_image( $this->prefix );
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if ( $overlay && ! empty( $image_meta['id'] ) ) {
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$secret = $images->generate_secret( $image_meta['id'], $overlay );
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$image_url = admin_url( "admin-ajax.php?action=rank_math_overlay_thumb&id={$image_meta['id']}&type={$overlay}&hash={$secret}" );
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}
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$this->tag( 'twitter:image', esc_url_raw( $image_url ) );
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}
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}
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/**
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* Outputs the authors twitter handle.
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*/
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public function article_author() {
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$author = Helper::get_user_meta( 'twitter_author', $GLOBALS['post']->post_author );
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$author = $author ? $author : get_user_meta( $GLOBALS['post']->post_author, 'twitter', true );
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$author = $this->get_twitter_id( ltrim( trim( $author ), '@' ) );
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if ( Str::is_non_empty( $author ) ) {
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$this->tag( 'twitter:creator', '@' . $author );
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} elseif ( Str::is_non_empty( $this->site ) ) {
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$this->tag( 'twitter:creator', '@' . $this->site );
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}
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}
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/**
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* Determines the twitter card type for the current page
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*/
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private function determine_card_type() {
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$this->type = Helper::get_post_meta( 'twitter_card_type' );
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$this->type = $this->type ? $this->type : Helper::get_settings( 'titles.twitter_card_type' );
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/**
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* Allow changing the Twitter Card type as output in the Twitter card.
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*
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* @param string $this->type
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*/
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$this->type = $this->do_filter( 'opengraph/twitter/card_type', $this->type );
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}
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/**
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* Determines whether the card type is of a type currently allowed by Twitter
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*
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* @link https://dev.twitter.com/cards/types
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*/
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private function sanitize_card_type() {
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if ( ! in_array( $this->type, [ 'summary', 'summary_large_image', 'app', 'player' ], true ) ) {
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$this->type = 'summary';
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}
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}
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/**
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* Checks if the given ID is actually an ID or a URL and if URL, distills the ID from it.
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*
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* Solves issues with filters returning URLs and theme's/other plugins also adding a user meta
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* twitter field which expects URL rather than an ID (which is what we expect).
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*
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* @param string $id Twitter ID or URL.
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*
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* @return string|bool Twitter ID or false if it failed to get a valid Twitter ID.
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*/
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private function get_twitter_id( $id ) {
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if ( preg_match( '`([A-Za-z0-9_]{1,25})$`', $id, $match ) ) {
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return $match[1];
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}
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return false;
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}
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/**
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* Remove archive tags.
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*/
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private function remove_tags() {
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$this->remove_action( 'rank_math/opengraph/twitter', 'title', 10 );
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$this->remove_action( 'rank_math/opengraph/twitter', 'description', 11 );
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$this->remove_action( 'rank_math/opengraph/twitter', 'image', 30 );
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}
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}
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