| @@ -3,24 +3,26 @@ | ||
| 3 | 3 | * @package Polylang |
| 4 | 4 | */ |
| 5 | 5 | |
| 6 | 6 | /** |
| 7 | - * It is best practice that plugins do nothing before plugins_loaded is fired | |
| 8 | - * so it is what Polylang intends to do | |
| 9 | - * but some plugins load their text domain as soon as loaded, thus before plugins_loaded is fired | |
| 10 | - * this class differs text domain loading until the language is defined | |
| 11 | - * either in a plugins_loaded action or in a wp action ( when the language is set from content on frontend ) | |
| 7 | + * It is best practice that plugins do nothing before `plugins_loaded` is fired. | |
| 8 | + * So it is what Polylang intends to do. | |
| 9 | + * But some plugins load their textdomain as soon as loaded, thus before `plugins_loaded` is fired. | |
| 10 | + * This class defers textdomain loading until the language is defined either in a `plugins_loaded` action | |
| 11 | + * or in a `wp` action (when the language is set from content on frontend). | |
| 12 | 12 | * |
| 13 | 13 | * @since 1.2 |
| 14 | 14 | */ |
| 15 | 15 | class PLL_OLT_Manager { |
| 16 | - protected static $instance; // For singleton | |
| 17 | - protected $default_locale; | |
| 18 | - protected $list_textdomains = array(); // All text domains | |
| 19 | - public $labels = array(); // Post types and taxonomies labels to translate | |
| 16 | + /** | |
| 17 | + * Singleton instance | |
| 18 | + * | |
| 19 | + * @var PLL_OLT_Manager|null | |
| 20 | + */ | |
| 21 | + protected static $instance; | |
| 20 | 22 | |
| 21 | 23 | /** |
| 22 | - * Constructor: setups relevant filters | |
| 24 | + * Constructor: setups relevant filters. | |
| 23 | 25 | * |
| 24 | 26 | * @since 1.2 |
| 25 | 27 | */ |
| 26 | 28 | public function __construct() { |
| @@ -27,24 +29,18 @@ | ||
| 27 | 29 | // Allows Polylang to be the first plugin loaded ;-) |
| 28 | 30 | add_filter( 'pre_update_option_active_plugins', array( $this, 'make_polylang_first' ) ); |
| 29 | 31 | add_filter( 'pre_update_option_active_sitewide_plugins', array( $this, 'make_polylang_first' ) ); |
| 30 | 32 | |
| 31 | - // Overriding load text domain only on front since WP 4.7 | |
| 32 | - // FIXME test get_user_locale for backward compatibility with WP < 4.7 | |
| 33 | - if ( is_admin() && ! Polylang::is_ajax_on_front() && function_exists( 'get_user_locale' ) ) { | |
| 33 | + // Overriding load text domain only on front since WP 4.7. | |
| 34 | + if ( ( is_admin() && ! Polylang::is_ajax_on_front() ) || Polylang::is_rest_request() ) { | |
| 34 | 35 | return; |
| 35 | 36 | } |
| 36 | 37 | |
| 37 | - // Saves the default locale before we start any language manipulation | |
| 38 | - $this->default_locale = get_locale(); | |
| 38 | + // Filters for text domain management. | |
| 39 | + add_filter( 'load_textdomain_mofile', '__return_empty_string' ); | |
| 39 | 40 | |
| 40 | - // Filters for text domain management | |
| 41 | - add_filter( 'load_textdomain_mofile', array( $this, 'load_textdomain_mofile' ), 10, 2 ); | |
| 42 | - add_filter( 'gettext', array( $this, 'gettext' ), 10, 3 ); | |
| 43 | - add_filter( 'gettext_with_context', array( $this, 'gettext_with_context' ), 10, 4 ); | |
| 44 | - | |
| 45 | - // Loads text domains | |
| 46 | - add_action( 'pll_language_defined', array( $this, 'load_textdomains' ), 2 ); // After PLL_Frontend::pll_language_defined | |
| 41 | + // Loads text domains. | |
| 42 | + add_action( 'pll_language_defined', array( $this, 'load_textdomains' ), 2 ); // After PLL_Frontend::pll_language_defined. | |
| 47 | 43 | add_action( 'pll_no_language_defined', array( $this, 'load_textdomains' ) ); |
| 48 | 44 | } |
| 49 | 45 | |
| 50 | 46 | /** |
| @@ -51,9 +47,9 @@ | ||
| 51 | 47 | * Access to the single instance of the class |
| 52 | 48 | * |
| 53 | 49 | * @since 1.7 |
| 54 | 50 | * |
| 55 | - * @return object | |
| 51 | + * @return PLL_OLT_Manager | |
| 56 | 52 | */ |
| 57 | 53 | public static function instance() { |
| 58 | 54 | if ( empty( self::$instance ) ) { |
| 59 | 55 | self::$instance = new self(); |
| @@ -62,183 +58,45 @@ | ||
| 62 | 58 | return self::$instance; |
| 63 | 59 | } |
| 64 | 60 | |
| 65 | 61 | /** |
| 66 | - * Loads text domains | |
| 62 | + * Loads textdomains. | |
| 67 | 63 | * |
| 68 | 64 | * @since 0.1 |
| 65 | + * | |
| 66 | + * @return void | |
| 69 | 67 | */ |
| 70 | 68 | public function load_textdomains() { |
| 71 | - // Our load_textdomain_mofile filter has done its job. let's remove it before calling load_textdomain | |
| 72 | - remove_filter( 'load_textdomain_mofile', array( $this, 'load_textdomain_mofile' ), 10, 2 ); | |
| 73 | - remove_filter( 'gettext', array( $this, 'gettext' ), 10, 3 ); | |
| 74 | - remove_filter( 'gettext_with_context', array( $this, 'gettext_with_context' ), 10, 4 ); | |
| 75 | - $new_locale = get_locale(); | |
| 69 | + // Our load_textdomain_mofile filter has done its job. let's remove it to enable translation. | |
| 70 | + remove_filter( 'load_textdomain_mofile', '__return_empty_string' ); | |
| 76 | 71 | |
| 77 | - // Don't try to save time for en_US as some users have theme written in another language | |
| 78 | - // Now we can load all overridden text domains with the right language | |
| 79 | - if ( ! empty( $this->list_textdomains ) ) { | |
| 80 | - /* | |
| 81 | - * FIXME: Backward compatibility with WP < 5.6 | |
| 82 | - * From WP 4.7 to 5.5, we need to reset the internal cache of _get_path_to_translation when switching from any locale to en_US. | |
| 83 | - * See WP_Locale_Switcher::change_locale() | |
| 84 | - */ | |
| 85 | - if ( ! class_exists( 'WP_Textdomain_Registry' ) && function_exists( '_get_path_to_translation' ) ) { | |
| 86 | - _get_path_to_translation( null, true ); | |
| 87 | - } | |
| 72 | + $GLOBALS['l10n'] = array(); | |
| 73 | + $new_locale = get_locale(); | |
| 88 | 74 | |
| 89 | - foreach ( $this->list_textdomains as $textdomain ) { | |
| 90 | - // Since WP 4.6, plugins translations are first loaded from wp-content/languages | |
| 91 | - if ( ! load_textdomain( $textdomain['domain'], str_replace( "{$this->default_locale}.mo", "$new_locale.mo", $textdomain['mo'] ) ) ) { | |
| 92 | - // Since WP 3.5 themes may store languages files in /wp-content/languages/themes | |
| 93 | - if ( ! load_textdomain( $textdomain['domain'], WP_LANG_DIR . "/themes/{$textdomain['domain']}-$new_locale.mo" ) ) { | |
| 94 | - // Since WP 3.7 plugins may store languages files in /wp-content/languages/plugins | |
| 95 | - load_textdomain( $textdomain['domain'], WP_LANG_DIR . "/plugins/{$textdomain['domain']}-$new_locale.mo" ); | |
| 96 | - } | |
| 97 | - } | |
| 98 | - } | |
| 99 | - } | |
| 75 | + load_default_textdomain( $new_locale ); | |
| 100 | 76 | |
| 101 | - // First remove taxonomies and post_types labels that we don't need to translate | |
| 102 | - $taxonomies = get_taxonomies( array( '_pll' => true ) ); | |
| 103 | - $post_types = get_post_types( array( '_pll' => true ) ); | |
| 104 | - | |
| 105 | - // We don't need to translate core taxonomies and post types labels when setting the language from the url | |
| 106 | - // As they will be translated when registered the second time | |
| 107 | - if ( ! did_action( 'setup_theme' ) ) { | |
| 108 | - $taxonomies = array_merge( get_taxonomies( array( '_builtin' => true ) ), $taxonomies ); | |
| 109 | - $post_types = array_merge( get_post_types( array( '_builtin' => true ) ), $post_types ); | |
| 110 | - } | |
| 111 | - | |
| 112 | - // Translate labels of post types and taxonomies | |
| 113 | - foreach ( array_diff_key( $GLOBALS['wp_taxonomies'], array_flip( $taxonomies ) ) as $tax ) { | |
| 114 | - $this->translate_labels( $tax ); | |
| 115 | - } | |
| 116 | - foreach ( array_diff_key( $GLOBALS['wp_post_types'], array_flip( $post_types ) ) as $pt ) { | |
| 117 | - $this->translate_labels( $pt ); | |
| 118 | - } | |
| 119 | - | |
| 120 | - // Act only if the language has not been set early ( before default textdomain loading and $wp_locale creation ) | |
| 121 | - if ( did_action( 'after_setup_theme' ) ) { | |
| 122 | - // Reinitializes wp_locale for weekdays and months | |
| 77 | + // Act only if the language has not been set early (before default textdomain loading and $wp_locale creation). | |
| 78 | + if ( ! empty( $GLOBALS['wp_locale'] ) ) { | |
| 79 | + // Reinitializes wp_locale for weekdays and months. | |
| 123 | 80 | unset( $GLOBALS['wp_locale'] ); |
| 124 | 81 | $GLOBALS['wp_locale'] = new WP_Locale(); |
| 125 | 82 | } |
| 126 | 83 | |
| 127 | - /** | |
| 128 | - * Fires after the post types and taxonomies labels have been translated | |
| 129 | - * This allows plugins to translate text the same way we do for post types and taxonomies labels | |
| 130 | - * | |
| 131 | - * @since 1.2 | |
| 132 | - * | |
| 133 | - * @param array $labels list of strings to trnaslate | |
| 134 | - */ | |
| 135 | - do_action_ref_array( 'pll_translate_labels', array( &$this->labels ) ); | |
| 136 | - | |
| 137 | - // Free memory | |
| 138 | - unset( $this->default_locale, $this->list_textdomains, $this->labels ); | |
| 139 | - } | |
| 140 | - | |
| 141 | - /** | |
| 142 | - * FIXME: Backward compatibility with Polylang for WooCommerce < 0.3.4 | |
| 143 | - * Was formerly hooked to the filter 'override_load_textdomain' | |
| 144 | - * | |
| 145 | - * @since 0.1 | |
| 146 | - * | |
| 147 | - * @param bool $bool Whether to override the .mo file loading. | |
| 148 | - * @return bool | |
| 149 | - */ | |
| 150 | - public function mofile( $bool ) { | |
| 151 | - return $bool; | |
| 152 | - } | |
| 153 | - | |
| 154 | - /** | |
| 155 | - * Saves all text domains in a table for later usage | |
| 156 | - * It replaces the 'override_load_textdomain' filter used since 0.1 | |
| 157 | - * | |
| 158 | - * @since 2.0.4 | |
| 159 | - * | |
| 160 | - * @param string $mofile translation file name | |
| 161 | - * @param string $domain text domain name | |
| 162 | - * @return bool | |
| 163 | - */ | |
| 164 | - public function load_textdomain_mofile( $mofile, $domain ) { | |
| 165 | - // On multisite, 2 files are sharing the same domain so we need to distinguish them | |
| 166 | - if ( 'default' === $domain && false !== strpos( $mofile, '/ms-' ) ) { | |
| 167 | - $this->list_textdomains['ms-default'] = array( 'mo' => $mofile, 'domain' => $domain ); | |
| 168 | - } else { | |
| 169 | - $this->list_textdomains[ $domain ] = array( 'mo' => $mofile, 'domain' => $domain ); | |
| 84 | + if ( ! empty( $GLOBALS['wp_locale_switcher'] ) ) { | |
| 85 | + /** This action is documented in wp-includes/class-wp-locale-switcher.php */ | |
| 86 | + do_action( 'change_locale', $new_locale ); | |
| 170 | 87 | } |
| 171 | - return ''; // Hack to prevent WP loading text domains as we will load them all later | |
| 172 | - } | |
| 173 | 88 | |
| 174 | - /** | |
| 175 | - * Saves post types and taxonomies labels for a later usage | |
| 176 | - * | |
| 177 | - * @since 0.9 | |
| 178 | - * | |
| 179 | - * @param string $translation not used | |
| 180 | - * @param string $text string to translate | |
| 181 | - * @param string $domain text domain | |
| 182 | - * @return string unmodified $translation | |
| 183 | - */ | |
| 184 | - public function gettext( $translation, $text, $domain ) { | |
| 185 | - if ( is_string( $text ) ) { // Avoid a warning with some buggy plugins which pass an array | |
| 186 | - $this->labels[ $text ] = array( 'domain' => $domain ); | |
| 187 | - } | |
| 188 | - return $translation; | |
| 89 | + do_action_deprecated( 'pll_translate_labels', array(), '3.7', 'change_locale' ); | |
| 189 | 90 | } |
| 190 | 91 | |
| 191 | 92 | /** |
| 192 | - * Saves post types and taxonomies labels for a later usage | |
| 93 | + * Allows Polylang to be the first plugin loaded ;-). | |
| 193 | 94 | * |
| 194 | - * @since 0.9 | |
| 195 | - * | |
| 196 | - * @param string $translation not used | |
| 197 | - * @param string $text string to translate | |
| 198 | - * @param string $context some comment to describe the context of string to translate | |
| 199 | - * @param string $domain text domain | |
| 200 | - * @return string unmodified $translation | |
| 201 | - */ | |
| 202 | - public function gettext_with_context( $translation, $text, $context, $domain ) { | |
| 203 | - $this->labels[ $text ] = array( 'domain' => $domain, 'context' => $context ); | |
| 204 | - return $translation; | |
| 205 | - } | |
| 206 | - | |
| 207 | - /** | |
| 208 | - * Translates post types and taxonomies labels once the language is known | |
| 209 | - * | |
| 210 | - * @since 0.9 | |
| 211 | - * | |
| 212 | - * @param object $type either a post type or a taxonomy | |
| 213 | - */ | |
| 214 | - public function translate_labels( $type ) { | |
| 215 | - // Use static array to avoid translating several times the same ( default ) labels | |
| 216 | - static $translated = array(); | |
| 217 | - | |
| 218 | - foreach ( $type->labels as $key => $label ) { | |
| 219 | - if ( is_string( $label ) && isset( $this->labels[ $label ] ) ) { | |
| 220 | - if ( empty( $translated[ $label ] ) ) { | |
| 221 | - // PHPCS:disable WordPress.WP.I18n | |
| 222 | - $type->labels->$key = $translated[ $label ] = isset( $this->labels[ $label ]['context'] ) ? | |
| 223 | - _x( $label, $this->labels[ $label ]['context'], $this->labels[ $label ]['domain'] ) : | |
| 224 | - __( $label, $this->labels[ $label ]['domain'] ); | |
| 225 | - // PHPCS:enable | |
| 226 | - } | |
| 227 | - else { | |
| 228 | - $type->labels->$key = $translated[ $label ]; | |
| 229 | - } | |
| 230 | - } | |
| 231 | - } | |
| 232 | - } | |
| 233 | - | |
| 234 | - /** | |
| 235 | - * Allows Polylang to be the first plugin loaded ;- ) | |
| 236 | - * | |
| 237 | 95 | * @since 1.2 |
| 238 | 96 | * |
| 239 | - * @param array $plugins list of active plugins | |
| 240 | - * @return array list of active plugins | |
| 97 | + * @param string[] $plugins List of active plugins. | |
| 98 | + * @return string[] List of active plugins. | |
| 241 | 99 | */ |
| 242 | 100 | public function make_polylang_first( $plugins ) { |
| 243 | 101 | if ( $key = array_search( POLYLANG_BASENAME, $plugins ) ) { |
| 244 | 102 | unset( $plugins[ $key ] ); |
