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288 lines
6.7 KiB
288 lines
6.7 KiB
<?php
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/**
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* @package Polylang
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*/
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/**
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* Manages Polylang upgrades
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*
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* @since 1.2
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*/
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class PLL_Upgrade {
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/**
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* Stores the plugin options.
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*
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* @var array
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*/
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public $options;
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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 array $options Polylang options
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*/
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public function __construct( &$options ) {
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$this->options = &$options;
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}
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/**
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* Check if upgrade is possible otherwise die to avoid activation
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*
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* @since 1.2
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*
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* @return void
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*/
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public function can_activate() {
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if ( ! $this->can_upgrade() ) {
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ob_start();
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$this->admin_notices(); // FIXME the error message is displayed two times
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die( ob_get_contents() ); // phpcs:ignore WordPress.Security.EscapeOutput
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}
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}
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/**
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* Upgrades if possible otherwise returns false to stop Polylang loading
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*
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* @since 1.2
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*
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* @return bool true if upgrade is possible, false otherwise
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*/
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public function upgrade() {
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if ( ! $this->can_upgrade() ) {
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add_action( 'all_admin_notices', array( $this, 'admin_notices' ) );
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return false;
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}
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delete_transient( 'pll_languages_list' );
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add_action( 'admin_init', array( $this, '_upgrade' ) );
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return true;
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}
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/**
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* Check if we the previous version is not too old
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* Upgrades if OK
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* /!\ never start any upgrade before admin_init as it is likely to conflict with some other plugins
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*
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* @since 1.2
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*
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* @return bool true if upgrade is possible, false otherwise
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*/
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public function can_upgrade() {
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// Don't manage upgrade from version < 1.8
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return version_compare( $this->options['version'], '1.8', '>=' );
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}
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/**
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* Displays a notice when ugrading from a too old version
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*
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* @since 1.0
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*
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* @return void
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*/
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public function admin_notices() {
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load_plugin_textdomain( 'polylang' );
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printf(
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'<div class="error"><p>%s</p><p>%s</p></div>',
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esc_html__( 'Polylang has been deactivated because you upgraded from a too old version.', 'polylang' ),
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sprintf(
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/* translators: %1$s and %2$s are Polylang version numbers */
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esc_html__( 'Before upgrading to %2$s, please upgrade to %1$s.', 'polylang' ),
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'<strong>2.9</strong>',
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POLYLANG_VERSION // phpcs:ignore WordPress.Security.EscapeOutput
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)
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);
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}
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/**
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* Upgrades the plugin depending on the previous version
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*
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* @since 1.2
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*
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* @return void
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*/
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public function _upgrade() {
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foreach ( array( '2.0.8', '2.1', '2.7', '3.4' ) as $version ) {
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if ( version_compare( $this->options['version'], $version, '<' ) ) {
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$method_to_call = array( $this, 'upgrade_' . str_replace( '.', '_', $version ) );
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if ( is_callable( $method_to_call ) ) {
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call_user_func( $method_to_call );
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}
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}
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}
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$this->options['previous_version'] = $this->options['version']; // Remember the previous version of Polylang since v1.7.7
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$this->options['version'] = POLYLANG_VERSION;
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update_option( 'polylang', $this->options );
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}
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/**
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* Upgrades if the previous version is < 2.0.8
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* Changes the user meta 'user_lang' to 'locale' to match WP 4.7 choice
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*
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* @since 2.0.8
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*
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* @return void
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*/
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protected function upgrade_2_0_8() {
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global $wpdb;
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$wpdb->update( $wpdb->usermeta, array( 'meta_key' => 'locale' ), array( 'meta_key' => 'user_lang' ) );
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}
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/**
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* Upgrades if the previous version is < 2.1.
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* Moves strings translations from polylang_mo post_content to post meta _pll_strings_translations.
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*
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* @since 2.1
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*
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* @return void
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*/
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protected function upgrade_2_1() {
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$posts = get_posts(
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array(
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'post_type' => 'polylang_mo',
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'post_status' => 'any',
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'numberposts' => -1,
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'nopaging' => true,
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)
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);
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if ( is_array( $posts ) ) {
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foreach ( $posts as $post ) {
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$meta = get_post_meta( $post->ID, '_pll_strings_translations', true );
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if ( empty( $meta ) ) {
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$strings = maybe_unserialize( $post->post_content );
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if ( is_array( $strings ) ) {
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update_post_meta( $post->ID, '_pll_strings_translations', $strings );
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}
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}
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}
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}
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}
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/**
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* Upgrades if the previous version is < 2.7
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* Replace numeric keys by hashes in WPML registered strings
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* Dismiss the wizard notice for existing sites
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*
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* @since 2.7
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*
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* @return void
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*/
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protected function upgrade_2_7() {
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$strings = get_option( 'polylang_wpml_strings' );
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if ( is_array( $strings ) ) {
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$new_strings = array();
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foreach ( $strings as $string ) {
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$context = $string['context'];
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$name = $string['name'];
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$key = md5( "$context | $name" );
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$new_strings[ $key ] = $string;
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}
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update_option( 'polylang_wpml_strings', $new_strings );
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}
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PLL_Admin_Notices::dismiss( 'wizard' );
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}
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/**
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* Upgrades if the previous version is < 3.4.0.
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*
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* @since 3.4
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*
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* @return void
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*/
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protected function upgrade_3_4() {
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$this->migrate_locale_fallback_to_language_description();
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$this->migrate_strings_translations();
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}
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/**
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* Moves strings translations from post meta to term meta _pll_strings_translations.
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*
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* @since 3.4
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*
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* @return void
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*/
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protected function migrate_strings_translations() {
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$posts = get_posts(
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array(
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'post_type' => 'polylang_mo',
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'post_status' => 'any',
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'numberposts' => -1,
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'nopaging' => true,
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)
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);
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if ( ! is_array( $posts ) ) {
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return;
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}
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foreach ( $posts as $post ) {
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$meta = get_post_meta( $post->ID, '_pll_strings_translations', true );
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$term_id = (int) substr( $post->post_title, 12 );
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// Do not delete post metas in case a user needs to rollback to Polylang < 3.4.
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if ( empty( $meta ) || ! is_array( $meta ) ) {
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continue;
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}
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update_term_meta( $term_id, '_pll_strings_translations', wp_slash( $meta ) );
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}
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}
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/**
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* Migrate locale fallback to language term description.
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*
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* @since 3.4
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*
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* @return void
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*/
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protected function migrate_locale_fallback_to_language_description() {
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// Migrate locale fallbacks from term metas to language term description.
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$terms = get_terms(
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array(
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'taxonomy' => 'language',
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'hide_empty' => false,
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'meta_query' => array( // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
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array(
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'key' => 'fallback',
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'compare_key' => 'EXISTS',
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),
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),
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)
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);
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if ( ! is_array( $terms ) ) {
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return;
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}
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foreach ( $terms as $term ) {
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$fallbacks = get_term_meta( $term->term_id, 'fallback', true );
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delete_term_meta( $term->term_id, 'fallback' );
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if ( empty( $fallbacks ) || ! is_array( $fallbacks ) ) {
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// Empty or invalid value, should not happen.
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continue;
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}
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$description = maybe_unserialize( $term->description );
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$description = is_array( $description ) ? $description : array();
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$description['fallbacks'] = $fallbacks;
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/** @var string */
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$description = maybe_serialize( $description );
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wp_update_term( $term->term_id, 'language', array( 'description' => $description ) );
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}
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}
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}
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