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https://git.sindominio.net/estibadores/wordpress.git
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214 lines
7.3 KiB
PHP
214 lines
7.3 KiB
PHP
<?php
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/**
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* Manages links filters and url of translations on frontend
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*
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* @since 1.2
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*/
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class PLL_Frontend_Links extends PLL_Links {
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public $curlang;
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public $cache; // Our internal non persistent cache object
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/**
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* Constructor
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*
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* @since 1.2
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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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parent::__construct( $polylang );
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$this->curlang = &$polylang->curlang;
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$this->cache = new PLL_Cache();
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}
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/**
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* Returns the url of the translation ( if exists ) of the current page
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*
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* @since 0.1
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*
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* @param object $language
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* @return string
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*/
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public function get_translation_url( $language ) {
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global $wp_query;
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if ( false !== $translation_url = $this->cache->get( 'translation_url:' . $language->slug ) ) {
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return $translation_url;
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}
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// Make sure that we have the queried object
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// See https://wordpress.org/support/topic/patch-for-fixing-a-notice
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$queried_object_id = $wp_query->get_queried_object_id();
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/**
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* Filter the translation url before Polylang attempts to find one
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* Internally used by Polylang for the static front page and posts page
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*
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* @since 1.8
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*
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* @param string $url Empty or the url of the translation of teh current page
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* @param object $language Language of the translation
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* @param int $queried_object_id Queried object id
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*/
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if ( ! $url = apply_filters( 'pll_pre_translation_url', '', $language, $queried_object_id ) ) {
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$qv = $wp_query->query_vars;
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// Post and attachment
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if ( is_single() && ( $this->options['media_support'] || ! is_attachment() ) && ( $id = $this->model->post->get( $queried_object_id, $language ) ) && $this->model->post->current_user_can_read( $id ) ) {
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$url = get_permalink( $id );
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}
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// Page
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elseif ( is_page() && ( $id = $this->model->post->get( $queried_object_id, $language ) ) && $this->model->post->current_user_can_read( $id ) ) {
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$url = get_page_link( $id );
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}
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elseif ( is_search() ) {
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$url = $this->get_archive_url( $language );
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// Special case for search filtered by translated taxonomies: taxonomy terms are translated in the translation url
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if ( ! empty( $wp_query->tax_query->queries ) ) {
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foreach ( $wp_query->tax_query->queries as $tax_query ) {
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if ( ! empty( $tax_query['taxonomy'] ) && $this->model->is_translated_taxonomy( $tax_query['taxonomy'] ) ) {
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$tax = get_taxonomy( $tax_query['taxonomy'] );
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$terms = get_terms( $tax->name, array( 'fields' => 'id=>slug' ) ); // Filtered by current language
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foreach ( $tax_query['terms'] as $slug ) {
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$term_id = array_search( $slug, $terms ); // What is the term_id corresponding to taxonomy term?
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if ( $term_id && $term_id = $this->model->term->get_translation( $term_id, $language ) ) { // Get the translated term_id
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$term = get_term( $term_id, $tax->name );
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$url = str_replace( $slug, $term->slug, $url );
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}
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}
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}
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}
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}
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}
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// Translated taxonomy
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// Take care that is_tax() is false for categories and tags
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elseif ( ( is_category() || is_tag() || is_tax() ) && ( $term = get_queried_object() ) && $this->model->is_translated_taxonomy( $term->taxonomy ) ) {
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$lang = $this->model->term->get_language( $term->term_id );
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if ( ! $lang || $language->slug == $lang->slug ) {
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$url = get_term_link( $term, $term->taxonomy ); // Self link
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}
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elseif ( $tr_id = $this->model->term->get_translation( $term->term_id, $language ) ) {
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if ( $tr_term = get_term( $tr_id, $term->taxonomy ) ) {
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// Check if translated term ( or children ) have posts
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$count = $tr_term->count || ( is_taxonomy_hierarchical( $term->taxonomy ) && array_sum( wp_list_pluck( get_terms( $term->taxonomy, array( 'child_of' => $tr_term->term_id, 'lang' => $language->slug ) ), 'count' ) ) );
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/**
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* Filter whether to hide an archive translation url
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*
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* @since 2.2.4
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*
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* @param bool $hide True to hide the translation url.
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* defaults to true when the translated archive is empty, false otherwise.
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* @param string $lang The language code of the translation
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* @param array $args Arguments used to evaluated the number of posts in the archive
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*/
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if ( ! apply_filters( 'pll_hide_archive_translation_url', ! $count, $language->slug, array( 'taxonomy' => $term->taxonomy ) ) ) {
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$url = get_term_link( $tr_term, $term->taxonomy );
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}
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}
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}
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}
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// Post type archive
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elseif ( is_post_type_archive() ) {
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if ( $this->model->is_translated_post_type( $qv['post_type'] ) ) {
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$args = array( 'post_type' => $qv['post_type'] );
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$count = $this->model->count_posts( $language, $args );
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/** This filter is documented in frontend/frontend-links.php */
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if ( ! apply_filters( 'pll_hide_archive_translation_url', ! $count, $language->slug, $args ) ) {
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$url = $this->get_archive_url( $language );
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}
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}
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}
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// Other archives
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elseif ( is_archive() ) {
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$keys = array( 'post_type', 'm', 'year', 'monthnum', 'day', 'author', 'author_name' );
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$keys = array_merge( $keys, $this->model->get_filtered_taxonomies_query_vars() );
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$args = array_intersect_key( $qv, array_flip( $keys ) );
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$count = $this->model->count_posts( $language, $args );
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/** This filter is documented in frontend/frontend-links.php */
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if ( ! apply_filters( 'pll_hide_archive_translation_url', ! $count, $language->slug, $args ) ) {
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$url = $this->get_archive_url( $language );
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}
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}
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// Front page when it is the list of posts
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elseif ( is_front_page() ) {
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$url = $this->get_home_url( $language );
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}
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}
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/**
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* Filter the translation url of the current page before Polylang caches it
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*
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* @since 1.1.2
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*
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* @param null|string $url The translation url, null if none was found
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* @param string $language The language code of the translation
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*/
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$translation_url = apply_filters( 'pll_translation_url', ( isset( $url ) && ! is_wp_error( $url ) ? $url : null ), $language->slug );
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// Don't cache before template_redirect to avoid a conflict with Barrel + WP Bakery Page Builder
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if ( did_action( 'template_redirect' ) ) {
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$this->cache->set( 'translation_url:' . $language->slug, $translation_url );
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}
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return $translation_url;
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}
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/**
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* Get the translation of the current archive url
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* used also for search
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*
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* @since 1.2
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*
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* @param object $language
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* @return string
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*/
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public function get_archive_url( $language ) {
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$url = pll_get_requested_url();
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$url = $this->links_model->switch_language_in_link( $url, $language );
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$url = $this->links_model->remove_paged_from_link( $url );
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/**
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* Filter the archive url
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*
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* @since 1.6
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*
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* @param string $url Url of the archive
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* @param object $language Language of the archive
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*/
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return apply_filters( 'pll_get_archive_url', $url, $language );
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}
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/**
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* Returns the home url in the right language
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*
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* @since 0.1
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*
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* @param object $language Optional, defaults to current language
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* @param bool $is_search Optional, whether we need the home url for a search form, defaults to false
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*/
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public function get_home_url( $language = '', $is_search = false ) {
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if ( empty( $language ) ) {
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$language = $this->curlang;
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}
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return parent::get_home_url( $language, $is_search );
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}
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}
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