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名称	大小	权限	修改时间	操作
..	-	-	-
Capabilities	[目录]	drwxr-xr-x	2026-06-03 04:19
Model	[目录]	drwxr-xr-x	2026-06-03 04:19
Options	[目录]	drwxr-xr-x	2026-06-03 04:19
admin	[目录]	drwxr-xr-x	2026-06-03 04:19
frontend	[目录]	drwxr-xr-x	2026-06-03 04:19
install	[目录]	drwxr-xr-x	2026-06-03 04:19
integrations	[目录]	drwxr-xr-x	2026-06-03 04:19
modules	[目录]	drwxr-xr-x	2026-06-03 04:19
settings	[目录]	drwxr-xr-x	2026-06-03 04:19
.htaccess	224.00 B	-r--r--r--	2026-06-03 04:19
api.php	21.77 KB	-rw-r--r--	2026-04-30 13:03
base.php	6.11 KB	-rw-r--r--	2026-04-30 13:03
cache.php	2.40 KB	-rw-r--r--	2026-04-30 13:03
class-polylang.php	8.34 KB	-rw-r--r--	2026-04-30 13:03
constant-functions.php	1.81 KB	-rw-r--r--	2026-04-30 13:03
cookie.php	3.03 KB	-rw-r--r--	2026-04-30 13:03
crud-posts.php	12.82 KB	-rw-r--r--	2026-04-30 13:03
crud-terms.php	8.75 KB	-rw-r--r--	2026-04-30 13:03
default-term.php	6.44 KB	-rw-r--r--	2026-04-30 13:03
filter-rest-routes.php	4.98 KB	-rw-r--r--	2026-04-30 13:03
filters-links.php	5.64 KB	-rw-r--r--	2026-04-30 13:03
filters-sanitization.php	3.23 KB	-rw-r--r--	2026-04-30 13:03
filters-widgets-options.php	2.63 KB	-rw-r--r--	2026-04-30 13:03
filters.php	12.94 KB	-rw-r--r--	2026-04-30 13:03
format-util.php	3.04 KB	-rw-r--r--	2026-04-30 13:03
functions.php	5.14 KB	-rw-r--r--	2026-04-30 13:03
language-deprecated.php	7.12 KB	-rw-r--r--	2026-04-30 13:03
language-factory.php	9.40 KB	-rw-r--r--	2026-04-30 13:03
language.php	17.90 KB	-rw-r--r--	2026-04-30 13:03
license.php	9.39 KB	-rw-r--r--	2026-04-30 13:03
links-abstract-domain.php	3.16 KB	-rw-r--r--	2026-04-30 13:03
links-default.php	3.03 KB	-rw-r--r--	2026-04-30 13:03
links-directory.php	9.50 KB	-rw-r--r--	2026-04-30 13:03
links-domain.php	2.91 KB	-rw-r--r--	2026-04-30 13:03
links-model.php	6.52 KB	-rw-r--r--	2026-04-30 13:03
links-permalinks.php	5.62 KB	-rw-r--r--	2026-04-30 13:03
links-subdomain.php	2.16 KB	-rw-r--r--	2026-04-30 13:03
links.php	1.38 KB	-rw-r--r--	2026-04-30 13:03
mo.php	3.42 KB	-rw-r--r--	2026-04-30 13:03
model.php	22.96 KB	-rw-r--r--	2026-04-30 13:03
nav-menu.php	4.50 KB	-rw-r--r--	2026-04-30 13:03
olt-manager.php	2.98 KB	-rw-r--r--	2026-04-30 13:03
query.php	7.73 KB	-rw-r--r--	2026-04-30 13:03
rest-request.php	4.22 KB	-rw-r--r--	2026-04-30 13:03
static-pages.php	6.27 KB	-rw-r--r--	2026-04-30 13:03
switcher.php	10.97 KB	-rw-r--r--	2026-04-30 13:03
term-slug.php	4.89 KB	-rw-r--r--	2026-04-30 13:03
translatable-object-with-types-interface.php	1.03 KB	-rw-r--r--	2026-04-30 13:03
translatable-object-with-types-trait.php	1.96 KB	-rw-r--r--	2026-04-30 13:03
translatable-object.php	17.62 KB	-rw-r--r--	2026-04-30 13:03
translatable-objects.php	3.71 KB	-rw-r--r--	2026-04-30 13:03
translate-option.php	13.10 KB	-rw-r--r--	2026-04-30 13:03
translated-object.php	18.93 KB	-rw-r--r--	2026-04-30 13:03
translated-post.php	17.17 KB	-rw-r--r--	2026-04-30 13:03
translated-term.php	14.82 KB	-rw-r--r--	2026-04-30 13:03
walker-dropdown.php	3.77 KB	-rw-r--r--	2026-04-30 13:03
walker-list.php	2.54 KB	-rw-r--r--	2026-04-30 13:03
walker.php	2.38 KB	-rw-r--r--	2026-04-30 13:03
widget-calendar.php	11.58 KB	-rw-r--r--	2026-04-30 13:03
widget-languages.php	5.34 KB	-rw-r--r--	2026-04-30 13:03

代码编辑器 :crud-terms.php

<?php
/**
 * @package Polylang
 */

use WP_Syntex\Polylang\REST\Request;
use WP_Syntex\Polylang\Capabilities\Capabilities;
use WP_Syntex\Polylang\Capabilities\Create\Term as Create_Term;

/**
 * Adds actions and filters related to languages when creating, reading, updating or deleting posts
 * Acts both on frontend and backend
 *
 * @since 2.4
 */
class PLL_CRUD_Terms {
	/**
	 * @var PLL_Model
	 */
	public $model;

/**
	 * Current language (used to filter the content).
	 *
	 * @var PLL_Language|null
	 */
	public $curlang;

/**
	 * Language selected in the admin language filter.
	 *
	 * @var PLL_Language|null
	 */
	public $filter_lang;

/**
	 * Preferred language to assign to new contents.
	 *
	 * @var PLL_Language|null
	 */
	public $pref_lang;

/**
	 * Stores the 'lang' query var from WP_Query.
	 *
	 * @var string|null
	 */
	private $tax_query_lang;

/**
	 * Stores the term name before creating a slug if needed.
	 *
	 * @var string
	 */
	private $pre_term_name = '';

/**
	 * Stores the term ID before creating a slug if needed.
	 *
	 * @var int
	 */
	private $pre_term_id = 0;

/**
	 * Reference to the Polylang options array.
	 *
	 * @var \WP_Syntex\Polylang\Options\Options
	 */
	protected $options;

/**
	 * Reference to the Polylang Request object.
	 *
	 * @var Request
	 */
	private $request;

/**
	 * Constructor
	 *
	 * @since 2.4
	 *
	 * @param PLL_Base $polylang The Polylang object.
	 */
	public function __construct( PLL_Base &$polylang ) {
		$this->options     = $polylang->options;
		$this->model       = &$polylang->model;
		$this->curlang     = &$polylang->curlang;
		$this->filter_lang = &$polylang->filter_lang;
		$this->pref_lang   = &$polylang->pref_lang;
		$this->request     = &$polylang->request;

// Saving terms.
		add_action( 'create_term', array( $this, 'save_term' ), 999, 3 );
		add_action( 'edit_term', array( $this, 'save_term' ), 999, 3 ); // After PLL_Admin_Filters_Term
		add_filter( 'pre_term_name', array( $this, 'set_pre_term_name' ) );
		add_filter( 'pre_term_slug', array( $this, 'set_pre_term_slug' ), 10, 2 );
		add_filter( 'pre_term_term_id', array( $this, 'set_pre_term_id' ) );

// Filters terms query by language.
		add_filter( 'get_terms_args', array( $this, 'adjust_query_lang' ) );
		add_filter( 'terms_clauses', array( $this, 'terms_clauses' ), 10, 3 );
		add_action( 'pre_get_posts', array( $this, 'set_tax_query_lang' ), 999 );
		add_action( 'posts_selection', array( $this, 'unset_tax_query_lang' ), 0 );

// Deleting terms.
		add_action( 'pre_delete_term', array( $this, 'delete_term' ), 10, 2 );
	}

/**
	 * Allows to set a language by default for terms if it has no language yet.
	 *
	 * @since 1.5.4
	 *
	 * @param int    $term_id  Term ID.
	 * @param string $taxonomy Taxonomy name.
	 * @return void
	 */
	protected function set_default_language( $term_id, $taxonomy ) {
		$term_language = new Create_Term(
			$this->model,
			$this->request,
			$this->pref_lang instanceof PLL_Language ? $this->pref_lang : null, // Can be `false` as well...
			$this->curlang instanceof PLL_Language ? $this->curlang : null // Can be `false` as well...
		);

$this->model->term->set_language(
			$term_id,
			$term_language->get_language( (int) $term_id, (string) $taxonomy )
		);
	}

/**
	 * Called when a category or post tag is created or edited.
	 * Does nothing except on taxonomies which are filterable.
	 *
	 * @since 0.1
	 *
	 * @param int    $term_id  Term id of the term being saved.
	 * @param int    $tt_id    Term taxonomy id.
	 * @param string $taxonomy Taxonomy name.
	 * @return void
	 */
	public function save_term( $term_id, $tt_id, $taxonomy ) {
		if ( is_multisite() && ms_is_switched() && ! $this->model->has_languages() ) {
			return;
		}

if ( ! $this->model->is_translated_taxonomy( $taxonomy ) ) {
			return;
		}

$lang = $this->model->term->get_language( $term_id );

if ( empty( $lang ) ) {
			$this->set_default_language( $term_id, $taxonomy );
		}

/**
		 * Fires after the term language and translations are saved.
		 *
		 * @since 1.2
		 *
		 * @param int    $term_id      Term id.
		 * @param string $taxonomy     Taxonomy name.
		 * @param int[]  $translations The list of translations term ids.
		 */
		do_action( 'pll_save_term', $term_id, $taxonomy, $this->model->term->get_translations( $term_id ) );
	}

/**
	 * Returns the languages to filter `WP_Term_Query`.
	 *
	 * @since 3.8
	 *
	 * @param string[] $taxonomies Queried taxonomies.
	 * @param array    $args       WP_Term_Query arguments.
	 * @return PLL_Language[] The languages to filter `WP_Term_Query`.
	 */
	protected function get_queried_languages( $taxonomies, $args ): array {
		global $pagenow;

/*
		 * Do nothing except on taxonomies which are filterable.
		 * Since WP 4.7, make sure not to filter wp_get_object_terms().
		 */
		if ( ! $this->model->is_translated_taxonomy( $taxonomies ) || ! empty( $args['object_ids'] ) ) {
			return array();
		}

// If get_terms() is queried with a 'lang' parameter.
		if ( isset( $args['lang'] ) ) {
			$languages = is_string( $args['lang'] ) ? explode( ',', $args['lang'] ) : $args['lang'];
			return array_filter( array_map( array( $this->model, 'get_language' ), (array) $languages ) );
		}

// On the tags page, everything should be filtered according to the admin language filter except the parent dropdown.
		if ( 'edit-tags.php' === $pagenow && empty( $args['class'] ) ) {
			return ! empty( $this->filter_lang ) ? array( $this->filter_lang ) : array();
		}

return ! empty( $this->curlang ) ? array( $this->curlang ) : array();
	}

/**
	 * Adjusts query language for `_get_term_hierarchy()` and `WP_Query`.
	 *
	 * @since 1.3
	 * @since 3.8 Renamed from `get_terms_args()`.
	 *
	 * @param array $args WP_Term_Query arguments.
	 * @return array Modified arguments.
	 */
	public function adjust_query_lang( $args ) {
		// Don't break _get_term_hierarchy().
		if ( 'all' === $args['get'] && 'id' === $args['orderby'] && 'id=>parent' === $args['fields'] ) {
			$args['lang'] = '';
		}

if ( isset( $this->tax_query_lang ) ) {
			$args['lang'] = empty( $this->tax_query_lang ) && ! empty( $this->curlang ) && ! empty( $args['slug'] ) ? $this->curlang->slug : $this->tax_query_lang;
		}

return $args;
	}

/**
	 * Filters categories and post tags by language(s) when needed on admin side
	 *
	 * @since 0.2
	 *
	 * @param string[] $clauses    List of sql clauses.
	 * @param string[] $taxonomies List of taxonomies.
	 * @param array    $args       WP_Term_Query arguments.
	 * @return string[] Modified sql clauses.
	 */
	public function terms_clauses( $clauses, $taxonomies, $args ) {
		$languages = $this->get_queried_languages( $taxonomies, $args );
		return $this->model->terms_clauses( $clauses, $languages );
	}

/**
	 * Sets the WP_Term_Query language when doing a WP_Query.
	 * Needed since WP 4.9.
	 *
	 * @since 2.3.2
	 *
	 * @param WP_Query $query WP_Query object.
	 * @return void
	 */
	public function set_tax_query_lang( $query ) {
		$this->tax_query_lang = $query->query_vars['lang'] ?? '';
	}

/**
	 * Removes the WP_Term_Query language filter for WP_Query.
	 * Needed since WP 4.9.
	 *
	 * @since 2.3.2
	 *
	 * @return void
	 */
	public function unset_tax_query_lang() {
		unset( $this->tax_query_lang );
	}

/**
	 * Called when a category or post tag is deleted
	 * Deletes language and translations
	 *
	 * @since 0.1
	 *
	 * @param int    $term_id  Id of the term to delete.
	 * @param string $taxonomy Name of the taxonomy.
	 * @return void
	 */
	public function delete_term( $term_id, $taxonomy ) {
		if ( ! $this->model->is_translated_taxonomy( $taxonomy ) ) {
			return;
		}

// Delete translation and relationships only if the term is translatable.
		$this->model->term->delete_translation( $term_id );
		$this->model->term->delete_language( $term_id );
	}

/**
	 * Stores the term name for use in pre_term_slug
	 *
	 * @since 0.9.5
	 *
	 * @param string $name term name
	 * @return string unmodified term name
	 */
	public function set_pre_term_name( $name ) {
		$this->pre_term_name = is_string( $name ) ? $name : '';

return $name;
	}

/**
	 * Appends language slug to the term slug if needed.
	 *
	 * @since 3.3
	 *
	 * @param string $slug     Term slug.
	 * @param string $taxonomy Term taxonomy.
	 * @return string Slug with a language suffix if found.
	 */
	public function set_pre_term_slug( $slug, $taxonomy ) {
		if ( ! $this->model->is_translated_taxonomy( $taxonomy ) || ! is_string( $slug ) ) {
			return $slug;
		}

$term_slug = new PLL_Term_Slug( $this->model, $slug, $taxonomy, $this->pre_term_name, $this->pre_term_id );

return $term_slug->get_suffixed_slug( '-' );
	}

/**
	 * Stores the term ID to use in `pre_term_slug`.
	 *
	 * @since 3.7.7
	 *
	 * @param int $term_id Term ID.
	 * @return int Unmodified term ID.
	 */
	public function set_pre_term_id( $term_id ) {
		$this->pre_term_id = is_numeric( $term_id ) ? (int) $term_id : 0;

return $term_id;
	}
}