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<?php

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/**

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* Class WPML_Post_Translation

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* @package wpml-core

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* @subpackage post-translation

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abstract class WPML_Post_Translation extends WPML_Element_Translation {

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protected $settings;

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protected $post_translation_sync;

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public static $defer_term_counting = false;

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/**

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* @var WPML_Debug_BackTrace

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private $debug_backtrace;

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/**

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* @param array $settings

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* @param wpdb $wpdb

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public function __construct( &$settings, &$wpdb ) {

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parent::__construct( $wpdb );

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$this->settings = $settings;

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}

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protected function is_setup_complete( ) {

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return isset( $this->settings[ 'setup_complete' ]) && $this->settings[ 'setup_complete' ];

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}

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public function init() {

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if ( $this->is_setup_complete() ) {

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add_action( 'save_post', array( $this, 'save_post_actions' ), 100, 2 );

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add_action( 'shutdown', array( $this, 'shutdown_action' ), PHP_INT_MAX );

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}

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}

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public function get_original_post_status( $trid, $source_lang_code = null ) {

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return $this->get_original_post_attr ( $trid, 'post_status', $source_lang_code );

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}

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public function get_original_post_ID( $trid, $source_lang_code = null ) {

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return $this->get_original_post_attr ( $trid, 'ID', $source_lang_code );

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}

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public function get_original_menu_order

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( $trid, $source_lang_code = null ) {

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return $this->get_original_post_attr ( $trid, 'menu_order', $source_lang_code );

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}

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public function get_original_comment_status( $trid, $source_lang_code = null ) {

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return $this->get_original_post_attr ( $trid, 'comment_status', $source_lang_code );

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}

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public function get_original_ping_status( $trid, $source_lang_code = null ) {

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return $this->get_original_post_attr ( $trid, 'ping_status', $source_lang_code );

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}

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public function get_original_post_format( $trid, $source_lang_code = null ) {

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return get_post_format ( $this->get_original_post_ID ( $trid, $source_lang_code ) );

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}

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/**

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* @param int $pidd

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* @param WP_Post $post

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* @return void

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public abstract function save_post_actions( $pidd, $post );

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public function shutdown_action() {

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if ( self::$defer_term_counting ) {

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self::$defer_term_counting = false;

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wp_defer_term_counting( false );

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}

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}

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public function trash_translation ( $trans_id ) {

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if ( !WPML_WordPress_Actions::is_bulk_trash( $trans_id ) ) {

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wp_trash_post( $trans_id );

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}

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}

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public function untrash_translation( $trans_id ) {

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if ( ! WPML_WordPress_Actions::is_bulk_untrash( $trans_id ) ) {

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wp_untrash_post( $trans_id );

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}

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}

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function untrashed_post_actions( $post_id ) {

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$translation_sync = $this->get_sync_helper ();

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$translation_sync->untrashed_post_actions ( $post_id );

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}

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public function delete_post_translation_entry( $post_id ) {

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$update_args = array( 'context' => 'post', 'element_id' => $post_id );

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do_action( 'wpml_translation_update', array_merge( $update_args, array( 'type' => 'before_delete' ) ) );

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$sql = $this->wpdb->prepare( "DELETE FROM {$this->wpdb->prefix}icl_translations

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WHERE element_id = %d

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AND element_type LIKE 'post%%'

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LIMIT 1",

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$post_id );

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$res = $this->wpdb->query( $sql );

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do_action( 'wpml_translation_update', array_merge( $update_args, array( 'type' => 'after_delete' ) ) );

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return $res;

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}

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public function trashed_post_actions( $post_id ) {

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$this->delete_post_actions( $post_id, true );

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}

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/**

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* This function holds all actions to be run after deleting a post.

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* 1. Delete the posts entry in icl_translations.

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* 2. Set one of the posts translations or delete all translations of the post, depending on sitepress settings.

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* @param Integer $post_id

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* @param bool $keep_db_entries Sets whether icl_translations entries are to be deleted or kept, when hooking this to

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* post trashing we want them to be kept.

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public function delete_post_actions( $post_id, $keep_db_entries = false ) {

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$translation_sync = $this->get_sync_helper ();

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$translation_sync->delete_post_actions ( $post_id, $keep_db_entries );

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}

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/**

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* @param int $post_id

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* @param string $post_status

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* @return null|int

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abstract function get_save_post_trid( $post_id, $post_status );

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/**

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* @param integer $post_id

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* @param SitePress $sitepress

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* @return bool|mixed|null|string|void

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public function get_save_post_lang( $post_id, $sitepress ) {

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$language_code = $this->get_element_lang_code ( $post_id );

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$language_code = $language_code ? $language_code : $sitepress->get_current_language ();

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$language_code = $sitepress->is_active_language ( $language_code ) ? $language_code

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: $sitepress->get_default_language ();

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return apply_filters ( 'wpml_save_post_lang', $language_code );

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}

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/**

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* @param int $trid

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* @param string $language_code

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* @param string $default_language

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* @return string|null

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protected abstract function get_save_post_source_lang( $trid, $language_code, $default_language );

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/**

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* Sets a posts language details, invalidates caches relating to the post and triggers

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* synchronisation actions across translations of the just saved post.

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* @param int $trid

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* @param array $post_vars

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* @param string $language_code

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* @param string $source_language

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* @used-by \WPML_Post_Translation::save_post_actions as final step of the WPML Core save_post actions

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protected function after_save_post( $trid, $post_vars, $language_code, $source_language ) {

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$this->maybe_set_elid( $trid, $post_vars['post_type'], $language_code, $post_vars['ID'], $source_language );

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$translation_sync = $this->get_sync_helper();

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$original_id = $this->get_original_element( $post_vars['ID'] );

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$translation_sync->sync_with_translations( $original_id ? $original_id : $post_vars['ID'], $post_vars );

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$translation_sync->sync_with_duplicates( $post_vars['ID'] );

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if ( ! function_exists( 'icl_cache_clear' ) ) {

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require_once WPML_PLUGIN_PATH . '/inc/cache.php';

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}

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icl_cache_clear( $post_vars['post_type'] . 's_per_language', true );

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if ( ! in_array( $post_vars['post_type'], array( 'nav_menu_item', 'attachment' ), true ) ) {

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do_action( 'wpml_tm_save_post', $post_vars['ID'], get_post( $post_vars['ID'] ), false );

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}

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// Flush object cache.

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$this->flush_object_cache_for_groups( array( 'ls_languages', 'element_translations' ) );

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do_action( 'wpml_after_save_post', $post_vars['ID'], $trid, $language_code, $source_language );

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}

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/**

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* Create new instance of WPML_WP_Cache for each group and flush cache for group.

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* @param array $groups

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private function flush_object_cache_for_groups( $groups = array() ) {

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if ( ! empty( $groups ) ) {

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foreach ( $groups as $group ) {

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$cache = new WPML_WP_Cache( $group );

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$cache->flush_group_cache();

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}

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}

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}

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private function get_original_post_attr( $trid, $attribute, $source_lang_code ) {

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$legal_attributes = array(

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'post_status',

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'post_date',

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'menu_order',

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'comment_status',

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'ping_status',

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'ID'

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);

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$res = false;

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if ( in_array ( $attribute, $legal_attributes, true ) ) {

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$attribute = 'p.' . $attribute;

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$source_snippet = $source_lang_code === null

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? " AND wpml_translations.source_language_code IS NULL "

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: $this->wpdb->prepare ( " AND wpml_translations.language_code = %s ", $source_lang_code );

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$res = $this->wpdb->get_var (

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$this->wpdb->prepare (

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"SELECT {$attribute}

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" . $this->get_element_join() . "

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WHERE wpml_translations.trid=%d

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{$source_snippet}

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LIMIT 1",

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$trid

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)

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);

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}

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return $res;

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}

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public function has_save_post_action( $post ) {

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if ( ! $post ) {

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return false;

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}

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$is_auto_draft = isset( $post->post_status ) && $post->post_status === 'auto-draft';

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$is_editing_different_post = $this->is_editing_different_post( $post->ID );

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$is_saving_a_revision = array_key_exists( 'post_type', $_POST ) && 'revision' === $_POST['post_type'];

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$is_untrashing = array_key_exists( 'action', $_GET ) && 'untrash' === $_GET['action'];

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$is_auto_save = array_key_exists( 'autosave', $_POST );

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$skip_sitepress_actions = array_key_exists( 'skip_sitepress_actions', $_POST );

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$is_post_a_revision = 'revision' === $post->post_type;

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$is_scheduled_to_be_trashed = get_post_meta( $post->ID, '_wp_trash_meta_status', true );

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$is_add_meta_action = isset( $_POST['action'] ) && 'add-meta' === $_POST['action'];

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$is_inner_post_insertion = $this->is_inner_post_insertion();

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return $this->is_translated_type( $post->post_type )

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&& ! ( $is_auto_draft

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|| $is_auto_save

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|| $skip_sitepress_actions

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|| ( $is_editing_different_post && ! $is_inner_post_insertion )

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|| $is_saving_a_revision

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|| $is_post_a_revision

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|| $is_scheduled_to_be_trashed

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|| $is_add_meta_action

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|| $is_untrashing );

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}

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/**

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* @param int $post_id

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* @return bool

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protected function is_editing_different_post( $post_id ) {

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return array_key_exists( 'post_ID', $_POST ) && (int) $_POST['post_ID'] && $post_id != $_POST['post_ID'];

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}

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protected function get_element_join() {

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return "FROM {$this->wpdb->prefix}icl_translations wpml_translations

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JOIN {$this->wpdb->posts} p

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ON wpml_translations.element_id = p.ID

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AND wpml_translations.element_type = CONCAT('post_', p.post_type)";

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}

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protected function get_type_prefix() {

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return 'post_';

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}

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public function is_translated_type( $post_type ) {

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global $sitepress;

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return $sitepress->is_translated_post_type ( $post_type );

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}

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/**

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* @param WP_Post $post

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* @return string[] all language codes the post can be translated into

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public function get_allowed_target_langs( $post ) {

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global $sitepress;

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$active_languages = $sitepress->get_active_languages ();

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$can_translate = array_keys ( $active_languages );

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$can_translate = array_diff (

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$can_translate,

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array( $this->get_element_lang_code ( $post->ID ) )

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);

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return apply_filters ( 'wpml_allowed_target_langs', $can_translate, $post->ID, 'post' );

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}

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/**

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* Before setting the language of the post to be saved, check if a translation in this language already exists

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* This check is necessary, so that synchronization actions like thrashing or un-trashing of posts, do not lead to

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* database corruption, due to erroneously changing a posts language into a state,

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* where it collides with an existing translation. While the UI prevents this sort of action for the most part,

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* this is not necessarily the case for other plugins like TM.

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* The logic here first of all checks if an existing translation id is present in the desired language_code.

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* If so but this translation is actually not the currently to be saved post,

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* then this post will be saved to its current language. If the translation already exists,

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* the existing translation id will be used. In all other cases a new entry in icl_translations will be created.

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* @param Integer $trid

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* @param String $post_type

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* @param String $language_code

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* @param Integer $post_id

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* @param String $source_language

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private function maybe_set_elid( $trid, $post_type, $language_code, $post_id, $source_language ) {

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global $sitepress;

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$element_type = 'post_' . $post_type;

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$sitepress->set_element_language_details (

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$post_id,

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$element_type,

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$trid,

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$language_code,

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$source_language

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);

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}

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/**

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* @return WPML_Post_Synchronization

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private function get_sync_helper() {

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global $sitepress;

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$this->post_translation_sync = $this->post_translation_sync

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? $this->post_translation_sync : new WPML_Post_Synchronization( $this->settings, $this, $sitepress );

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return $this->post_translation_sync;

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}

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/**

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* @return WPML_Debug_BackTrace

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private function get_debug_backtrace() {

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if ( ! $this->debug_backtrace ) {

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$this->debug_backtrace = new WPML\Utils\DebugBackTrace( 20 );

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}

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return $this->debug_backtrace;

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}

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public function set_debug_backtrace( WPML_Debug_BackTrace $debug_backtrace ) {

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$this->debug_backtrace = $debug_backtrace;

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}

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/**

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* @return bool

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protected function is_inner_post_insertion() {

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$debug_backtrace = $this->get_debug_backtrace();

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return 1 < $debug_backtrace->count_function_in_call_stack( 'wp_insert_post' );

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}

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/**

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* @param WP_Post $post

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* @return array

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protected function get_post_vars( $post ) {

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$post_vars = array();

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if ( ! $this->is_inner_post_insertion() ) {

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$post_vars = (array) $_POST;

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}

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foreach ( (array) $post as $k => $v ) {

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$post_vars[ $k ] = $v;

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}

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$post_vars['post_type'] = isset( $post_vars['post_type'] ) ? $post_vars['post_type'] : $post->post_type;

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return $post_vars;

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}

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/**

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* @param bool $defer

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protected function defer_term_counting() {

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if ( ! self::$defer_term_counting ) {

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self::$defer_term_counting = true;

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wp_defer_term_counting( true );

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}

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}

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/**

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* @return self|WPML_Frontend_Post_Actions|WPML_Admin_Post_Actions

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public static function getGlobalInstance() {

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global $wpml_post_translations, $sitepress;

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if ( ! isset( $wpml_post_translations ) ) {

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wpml_load_post_translation( is_admin(), $sitepress->get_settings() );

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}

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return $wpml_post_translations;

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}

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}

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