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124 lines
3.4 KiB
PHP
124 lines
3.4 KiB
PHP
<?php
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/**
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* Base class to manage the static front page and the page for posts
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*
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* @since 1.8
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*/
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class PLL_Static_Pages {
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public $model, $options;
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public $page_on_front, $page_for_posts;
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/**
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* Constructor: setups filters and actions
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*
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* @since 1.8
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*
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* @param object $polylang
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*/
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public function __construct( &$polylang ) {
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$this->model = &$polylang->model;
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$this->options = &$polylang->options;
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$this->curlang = &$polylang->curlang;
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$this->init();
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// Modifies the page link in case the front page is not in the default language
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add_filter( 'page_link', array( $this, 'page_link' ), 20, 2 );
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// Clean the languages cache when editing page of front, page for posts
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add_action( 'update_option_show_on_front', array( $this->model, 'clean_languages_cache' ) );
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add_action( 'update_option_page_on_front', array( $this->model, 'clean_languages_cache' ) );
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add_action( 'update_option_page_for_posts', array( $this->model, 'clean_languages_cache' ) );
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// Refresh rewrite rules when the page on front is modified
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add_action( 'update_option_page_on_front', 'flush_rewrite_rules' );
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// OEmbed
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add_filter( 'oembed_request_post_id', array( $this, 'oembed_request_post_id' ), 10, 2 );
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}
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/**
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* Stores the page on front and page for posts ids
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*
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* @since 1.8
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*/
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public function init() {
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if ( 'page' == get_option( 'show_on_front' ) ) {
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$this->page_on_front = get_option( 'page_on_front' );
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$this->page_for_posts = get_option( 'page_for_posts' );
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} else {
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$this->page_on_front = 0;
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$this->page_for_posts = 0;
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}
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}
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/**
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* Modifies the page link in case the front page is not in the default language
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*
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* @since 0.7.2
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*
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* @param string $link link to the page
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* @param int $id post id of the page
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* @return string modified link
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*/
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public function page_link( $link, $id ) {
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$lang = $this->model->post->get_language( $id );
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if ( $lang && $id == $lang->page_on_front ) {
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return $lang->home_url;
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}
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return $link;
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}
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/**
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* Adds page_on_front and page_for_posts properties to the language objects
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*
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* @since 1.8
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*
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* @param array $languages
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* @param object $model
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*/
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public static function pll_languages_list( $languages, $model ) {
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if ( 'page' === get_option( 'show_on_front' ) ) {
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foreach ( $languages as $k => $language ) {
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$languages[ $k ]->page_on_front = $model->post->get( get_option( 'page_on_front' ), $language );
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$languages[ $k ]->page_for_posts = $model->post->get( get_option( 'page_for_posts' ), $language );
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}
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}
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return $languages;
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}
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/**
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* Translates page for posts
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*
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* @since 1.8
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*
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* @param int $v page for posts page id
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* @return int
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*/
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public function translate_page_for_posts( $v ) {
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// Don't attempt to translate in a 'switch_blog' action as there is a risk to call this function while initializing the languages cache
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return isset( $this->curlang->page_for_posts ) && ! doing_action( 'switch_blog' ) ? $this->curlang->page_for_posts : $v;
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}
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/**
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* Fixes the oembed for the translated static front page
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* when the language page is redirected to the front page
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*
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* @since 2.6
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*
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* @param int $post_id The post ID.
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* @param string $url The requested URL.
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*/
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public function oembed_request_post_id( $post_id, $url ) {
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foreach ( $this->model->get_languages_list() as $lang ) {
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if ( trailingslashit( $url ) === trailingslashit( $lang->home_url ) ) {
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$post_id = $lang->page_on_front;
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}
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}
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return $post_id;
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}
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}
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