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Editing: wpml-api.php
<?php /** * @package Polylang */ /** * A class to handle the WPML API based on hooks, introduced since WPML 3.2 * It partly relies on the legacy API * * @see https://wpml.org/documentation/support/wpml-coding-api/wpml-hooks-reference/ * * @since 2.0 */ class PLL_WPML_API { /** * Stores the original language when the language is switched. * * @var PLL_Language */ private static $original_language = null; /** * Constructor * * @since 2.0 */ public function __construct() { // Site Wide Language informations add_filter( 'wpml_active_languages', array( $this, 'wpml_active_languages' ), 10, 2 ); add_filter( 'wpml_display_language_names', array( $this, 'wpml_display_language_names' ), 10, 5 ); // wpml_translated_language_name => not applicable add_filter( 'wpml_current_language', 'pll_current_language', 10, 0 ); add_filter( 'wpml_default_language', 'pll_default_language', 10, 0 ); // wpml_add_language_selector => not implemented // wpml_footer_language_selector => not applicable add_action( 'wpml_add_language_form_field', array( $this, 'wpml_add_language_form_field' ) ); add_filter( 'wpml_language_is_active', array( $this, 'wpml_language_is_active' ), 10, 2 ); add_filter( 'wpml_is_rtl', array( $this, 'wpml_is_rtl' ) ); // wpml_language_form_input_field => See wpml_add_language_form_field // wpml_language_has_switched => See wpml_switch_language // wpml_element_trid => not implemented // wpml_get_element_translations => not implemented // wpml_language_switcher => not implemented // wpml_browser_redirect_language_params => not implemented // wpml_enqueue_browser_redirect_language => not applicable // wpml_enqueued_browser_redirect_language => not applicable // wpml_encode_string => not applicable // wpml_decode_string => not applicable // Retrieving Language Information for Content add_filter( 'wpml_post_language_details', 'wpml_get_language_information', 10, 2 ); add_action( 'wpml_switch_language', array( __CLASS__, 'wpml_switch_language' ), 10, 2 ); add_filter( 'wpml_element_language_code', array( $this, 'wpml_element_language_code' ), 10, 3 ); // wpml_element_language_details => not applicable // Retrieving Localized Content add_filter( 'wpml_home_url', 'pll_home_url', 10, 0 ); add_filter( 'wpml_element_link', 'icl_link_to_element', 10, 7 ); add_filter( 'wpml_object_id', 'icl_object_id', 10, 4 ); add_filter( 'wpml_translate_single_string', array( $this, 'wpml_translate_single_string' ), 10, 4 ); // wpml_translate_string => not applicable // wpml_unfiltered_admin_string => not implemented add_filter( 'wpml_permalink', array( $this, 'wpml_permalink' ), 10, 2 ); // wpml_elements_without_translations => not implemented add_filter( 'wpml_get_translated_slug', array( $this, 'wpml_get_translated_slug' ), 10, 3 ); // Finding the Translation State of Content // wpml_element_translation_type => not implemented add_filter( 'wpml_element_has_translations', array( $this, 'wpml_element_has_translations' ), 10, 3 ); // wpml_master_post_from_duplicate => not applicable // wpml_post_duplicates => not applicable // Inserting Content // wpml_admin_make_post_duplicates => not applicable // wpml_make_post_duplicates => not applicable add_action( 'wpml_register_single_string', 'icl_register_string', 10, 3 ); // wpml_register_string => not applicable // wpml_register_string_packages => not applicable // wpml_delete_package_action => not applicable // wpml_show_package_language_ui => not applicable // wpml_set_element_language_details => not implemented // wpml_multilingual_options => not applicable // Miscellaneous // wpml_element_type => not applicable // wpml_setting => not applicable // wpml_sub_setting => not applicable // wpml_editor_cf_to_display => not applicable // wpml_tm_save_translation_cf => not implemented // wpml_tm_xliff_export_translated_cf => not applicable // wpml_tm_xliff_export_original_cf => not applicable // wpml_duplicate_generic_string => not applicable // wpml_translatable_user_meta_fields => not implemented // wpml_cross_domain_language_data => not applicable // wpml_get_cross_domain_language_data => not applicable // wpml_loaded => not applicable // wpml_st_loaded => not applicable // wpml_tm_loaded => not applicable // wpml_hide_management_column (3.4.1) => not applicable // wpml_ls_directories_to_scan => not applicable // wpml_ls_model_css_classes => not applicable // wpml_ls_model_language_css_classes => not applicable // wpml_tf_feedback_open_link => not applicable // wpml_sync_custom_field => not implemented // wpml_sync_all_custom_fields => not implemented // wpml_is_redirected => not implemented // Updating Content // wpml_set_translation_mode_for_post_type => not implemented } /** * Get a list of the languages enabled for a site * * @since 2.0 * * @param mixed $null Not used * @param array| string $args See arguments of icl_get_languages() * @return array Array of arrays per language */ public function wpml_active_languages( $null, $args = '' ) { return icl_get_languages( $args ); } /** * In WPML, get a language's native and translated name for display in a custom language switcher * Since Polylang does not implement the translated name, always returns only the native name, * so the 3rd, 4th and 5th parameters are not used. * * @since 2.2 * * @param mixed $null Not used. * @param string $native_name The language native name. * @return string */ public function wpml_display_language_names( $null, $native_name ) { return $native_name; } /** * Returns an HTML hidden input field with name=”lang” and as value the current language * * @since 2.0 * * @return void */ public function wpml_add_language_form_field() { $lang = pll_current_language(); $field = sprintf( '<input type="hidden" name="lang" value="%s" />', esc_attr( $lang ) ); $field = apply_filters( 'wpml_language_form_input_field', $field, $lang ); echo $field; // phpcs:ignore WordPress.Security.EscapeOutput } /** * Find out if a specific language is enabled for the site * * @since 2.0 * * @param mixed $null Not used * @param string $slug Language code * @return bool */ public function wpml_language_is_active( $null, $slug ) { $language = PLL()->model->get_language( $slug ); return empty( $language->active ) || true === $language->active; } /** * Find out whether the current language text direction is RTL or not * * @since 2.0 * * @return bool */ public function wpml_is_rtl() { return pll_current_language( 'is_rtl' ); } /** * Switches whole site to the given language or restores the language that was set when first calling this function. * Unlike the WPML original action, it is not possible to set the current language and the cookie to different values. * * @since 2.7 * * @param null|string $lang Language code to switch into, restores the original language if null. * @param bool|string $cookie Optionally also switches the cookie. * @return void */ public static function wpml_switch_language( $lang = null, $cookie = false ) { if ( null === self::$original_language ) { self::$original_language = PLL()->curlang; } if ( empty( $lang ) ) { PLL()->curlang = self::$original_language; } elseif ( 'all' === $lang ) { PLL()->curlang = null; } elseif ( in_array( $lang, pll_languages_list() ) ) { PLL()->curlang = PLL()->model->get_language( $lang ); } if ( $cookie && isset( PLL()->choose_lang ) ) { PLL()->choose_lang->maybe_setcookie(); } do_action( 'wpml_language_has_switched', $lang, $cookie, self::$original_language ); } /** * Get the language code for a translatable element * * @since 2.0 * * @param mixed $language_code * @param array $args An array with two keys element_id => post_id or term_taxonomy_id, element_type => post type or taxonomy * @return string */ public function wpml_element_language_code( $language_code, $args ) { $type = $args['element_type']; $id = $args['element_id']; if ( 'post' === $type || pll_is_translated_post_type( $type ) ) { return pll_get_post_language( $id ); } if ( 'term' === $type || pll_is_translated_taxonomy( $type ) ) { $term = get_term_by( 'term_taxonomy_id', $id ); if ( $term instanceof WP_Term ) { $id = $term->term_id; } return pll_get_term_language( $id ); } return $language_code; } /** * Translates a string * * @since 2.0 * * @param string $string The string's original value * @param string $context The string's registered context * @param string $name The string's registered name * @param null|string $lang Optional, return the translation in this language, defaults to current language * @return string The translated string */ public function wpml_translate_single_string( $string, $context, $name, $lang = null ) { $has_translation = null; // Passed by reference return icl_translate( $context, $name, $string, false, $has_translation, $lang ); } /** * Converts a permalink to a language specific permalink * * @since 2.2 * * @param string $url The url to filter * @param null|string $lang Langage code, optional, defaults to the current language * @return string */ public function wpml_permalink( $url, $lang = '' ) { $lang = PLL()->model->get_language( $lang ); if ( empty( $lang ) && ! empty( PLL()->curlang ) ) { $lang = PLL()->curlang; } return empty( $lang ) ? $url : PLL()->links_model->switch_language_in_link( $url, $lang ); } /** * Translates a post type slug * * @since 2.2 * * @param string $slug Post type slug * @param string $post_type Post type name * @param string $lang Optional language code (defaults to current language) * @return string */ public function wpml_get_translated_slug( $slug, $post_type, $lang = null ) { if ( isset( PLL()->translate_slugs ) ) { if ( empty( $lang ) ) { $lang = pll_current_language(); } $slug = PLL()->translate_slugs->slugs_model->get_translated_slug( $post_type, $lang ); } return $slug; } /** * Find out whether a post type or a taxonomy term is translated * * @since 2.0 * * @param mixed $null * @param int $id The post_id or term_id * @param string $type The post type or taxonomy * @return bool */ public function wpml_element_has_translations( $null, $id, $type ) { if ( 'post' === $type || pll_is_translated_post_type( $type ) ) { return count( pll_get_post_translations( $id ) ) > 1; } elseif ( 'term' === $type || pll_is_translated_taxonomy( $type ) ) { return count( pll_get_term_translations( $id ) ) > 1; } return false; } }
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