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@@ -0,0 +1,59 @@
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<?php
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class WPML_Sticky_Posts_Lang_Filter {
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/** @var SitePress */
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private $sitepress;
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/** @var WPML_Post_Translation */
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private $post_translation;
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/** @var array */
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private $post_valid_in_all_langs_cache = array();
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/**
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* @param SitePress $sitepress
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* @param WPML_Post_Translation $post_translation
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*/
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public function __construct( SitePress $sitepress, WPML_Post_Translation $post_translation ) {
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$this->sitepress = $sitepress;
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$this->post_translation = $post_translation;
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}
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/**
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* @param array $posts
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* @param string $lang
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*
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* @return array
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*/
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public function filter_by_language( array $posts, $lang ) {
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if ( ! $posts ) {
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return $posts;
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}
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$result = array();
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foreach ( $posts as $post_id ) {
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if (
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$this->post_translation->get_element_lang_code( $post_id ) === $lang ||
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$this->is_post_type_valid_in_any_language( $this->post_translation->get_type( $post_id ) )
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) {
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$result[] = $post_id;
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}
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}
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return $result;
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}
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/**
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* @param string $post_type
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*
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* @return bool
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*/
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private function is_post_type_valid_in_any_language( $post_type ) {
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if ( ! array_key_exists( $post_type, $this->post_valid_in_all_langs_cache ) ) {
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$this->post_valid_in_all_langs_cache[ $post_type ] = ! $this->sitepress->is_translated_post_type( $post_type )
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|| $this->sitepress->is_display_as_translated_post_type( $post_type );
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}
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return $this->post_valid_in_all_langs_cache[ $post_type ];
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}
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}
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@@ -0,0 +1,37 @@
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<?php
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class WPML_Sticky_Posts_Loader {
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/** @var SitePress */
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private $sitepress;
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/**
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* @param SitePress $sitepress
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*/
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public function __construct( SitePress $sitepress ) {
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$this->sitepress = $sitepress;
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}
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public function add_hooks() {
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if ( $this->sitepress->get_setting( 'sync_sticky_flag' ) ) {
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$sticky_post_sync = wpml_sticky_post_sync( $this->sitepress );
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add_filter(
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'pre_option_sticky_posts',
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array( $sticky_post_sync, 'pre_option_sticky_posts_filter' ),
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10,
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0
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);
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add_action( 'post_stuck', array( $sticky_post_sync, 'on_post_stuck' ) );
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add_action( 'post_unstuck', array( $sticky_post_sync, 'on_post_unstuck' ) );
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add_filter(
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'pre_update_option_sticky_posts',
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array( $sticky_post_sync, 'pre_update_option_sticky_posts' ),
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10,
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1
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);
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}
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}
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}
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@@ -0,0 +1,189 @@
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<?php
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class WPML_Sticky_Posts_Sync {
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/** @var SitePress */
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private $sitepress;
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/** @var WPML_Post_Translation $post_translation */
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private $post_translation;
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/** @var WPML_Sticky_Posts_Lang_Filter */
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private $populate_lang_option;
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/**
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* @param SitePress $sitepress
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* @param WPML_Post_Translation $post_translation
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* @param WPML_Sticky_Posts_Lang_Filter $populate_lang_option
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*/
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public function __construct(
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SitePress $sitepress,
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WPML_Post_Translation $post_translation,
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WPML_Sticky_Posts_Lang_Filter $populate_lang_option
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) {
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$this->sitepress = $sitepress;
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$this->post_translation = $post_translation;
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$this->populate_lang_option = $populate_lang_option;
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}
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/**
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* It returns only those sticky posts which belong to a current language
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*
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* @return array|false
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*/
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public function pre_option_sticky_posts_filter() {
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$current_language = $this->sitepress->get_current_language();
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if ( 'all' === $current_language ) {
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return false;
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}
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$option = 'sticky_posts_' . $current_language;
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$posts = get_option( $option );
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if ( false === $posts ) {
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$posts = $this->get_unfiltered_sticky_posts_option();
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if ( $posts ) {
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$posts = $this->populate_lang_option->filter_by_language(
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$this->get_unfiltered_sticky_posts_option(),
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$current_language
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);
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update_option( $option, $posts, true );
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}
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}
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return $posts;
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}
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/**
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* Ensure that the original main `sticky_posts` option contains sticky posts from ALL languages
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*
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* @param array $posts
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*
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* @return array
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*/
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public function pre_update_option_sticky_posts( $posts ) {
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$langs = array_keys( $this->sitepress->get_active_languages() );
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$langs = array_diff( $langs, array( $this->sitepress->get_current_language() ) );
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$lang_parts = array_map( array( $this, 'get_option_by_lang' ), $langs );
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$lang_parts[] = array_map( 'intval', $posts );
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return array_unique( call_user_func_array( 'array_merge', $lang_parts ) );
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}
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/**
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* It marks as `sticky` all posts which are translation of the post or have the same original post.
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* Basically, it means that they have the same trid in icl_translations table.
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*
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* @param int $post_id
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*/
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public function on_post_stuck( $post_id ) {
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$translations = $this->get_post_translations( $post_id );
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if ( $translations ) {
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foreach ( $translations as $lang => $translated_post_id ) {
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$this->add_post_id( 'sticky_posts_' . $lang, (int) $translated_post_id );
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$this->add_post_id_to_original_option( (int) $translated_post_id );
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}
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} else {
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$this->add_post_id( 'sticky_posts_' . $this->sitepress->get_current_language(), (int) $post_id );
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}
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}
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/**
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* It un-marks as `sticky` all posts which are translation of the post or have the same original post.
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*
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* @param int $post_id
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*/
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public function on_post_unstuck( $post_id ) {
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foreach ( $this->get_post_translations( $post_id ) as $lang => $translated_post_id ) {
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$this->remove_post_id( 'sticky_posts_' . $lang, (int) $translated_post_id );
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$this->remove_post_id_from_original_option( (int) $translated_post_id );
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}
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}
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/**
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* It returns an original, unfiltered `sticky_posts` option which contains sticky posts from ALL languages
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*
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* @return array|false
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*/
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public function get_unfiltered_sticky_posts_option() {
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remove_filter( 'pre_option_sticky_posts', array( $this, 'pre_option_sticky_posts_filter' ) );
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$posts = get_option( 'sticky_posts' );
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add_filter( 'pre_option_sticky_posts', array( $this, 'pre_option_sticky_posts_filter' ), 10, 0 );
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return $posts;
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}
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/**
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* @param int $post_id
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*
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* @return array
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*/
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private function get_post_translations( $post_id ) {
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$this->post_translation->reload();
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$trid = $this->post_translation->get_element_trid( $post_id );
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return $this->post_translation->get_element_translations( false, $trid, false );
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}
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/**
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* @param int $post_id
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*/
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private function add_post_id_to_original_option( $post_id ) {
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$this->update_original_option( $post_id, array( $this, 'add_post_id' ) );
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}
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/**
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* @param string $option
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* @param int $post_id
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*/
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private function add_post_id( $option, $post_id ) {
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$sticky_posts = get_option( $option, array() );
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if ( ! in_array( $post_id, $sticky_posts, true ) ) {
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$sticky_posts[] = $post_id;
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update_option( $option, $sticky_posts, true );
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}
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}
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/**
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* @param int $post_id
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*/
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private function remove_post_id_from_original_option( $post_id ) {
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$this->update_original_option( $post_id, array( $this, 'remove_post_id' ) );
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}
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/**
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* @param int $post_id
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* @param callable $callback
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*/
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private function update_original_option( $post_id, $callback ) {
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remove_filter( 'pre_option_sticky_posts', array( $this, 'pre_option_sticky_posts_filter' ) );
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remove_filter( 'pre_update_option_sticky_posts', array( $this, 'pre_update_option_sticky_posts' ) );
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call_user_func( $callback, 'sticky_posts', $post_id );
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add_filter( 'pre_update_option_sticky_posts', array( $this, 'pre_update_option_sticky_posts' ), 10, 1 );
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add_filter( 'pre_option_sticky_posts', array( $this, 'pre_option_sticky_posts_filter' ), 10, 0 );
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}
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/**
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* @param string $option
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* @param int $post_id
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*/
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private function remove_post_id( $option, $post_id ) {
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$sticky_posts = get_option( $option, array() );
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if ( ( $key = array_search( $post_id, $sticky_posts ) ) !== false ) {
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unset( $sticky_posts[ $key ] );
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update_option( $option, array_values( $sticky_posts ), true );
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}
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}
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/**
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* @param string $lang
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*
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* @return array
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*/
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private function get_option_by_lang( $lang ) {
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return get_option( 'sticky_posts_' . $lang, array() );
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}
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}
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