| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* manages Polylang upgrades |
| 5 |
* |
| 6 |
* @since 1.2 |
| 7 |
*/ |
| 8 |
class PLL_Upgrade { |
| 9 |
public $options; |
| 10 |
|
| 11 |
/** |
| 12 |
* constructor |
| 13 |
* |
| 14 |
* @since 1.2 |
| 15 |
*/ |
| 16 |
public function __construct( &$options ) { |
| 17 |
$this->options = &$options; |
| 18 |
} |
| 19 |
|
| 20 |
/** |
| 21 |
* check if upgrade is possible otherwise die to avoid activation |
| 22 |
* |
| 23 |
* @since 1.2 |
| 24 |
*/ |
| 25 |
public function can_activate() { |
| 26 |
if ( ! $this->can_upgrade() ) { |
| 27 |
ob_start(); |
| 28 |
$this->admin_notices(); // FIXME the error message is displayed two times |
| 29 |
die( ob_get_contents() ); |
| 30 |
} |
| 31 |
} |
| 32 |
|
| 33 |
/** |
| 34 |
* upgrades if possible otherwise returns false to stop Polylang loading |
| 35 |
* |
| 36 |
* @since 1.2 |
| 37 |
* |
| 38 |
* @return bool true if upgrade is possible, false otherwise |
| 39 |
*/ |
| 40 |
public function upgrade() { |
| 41 |
if ( ! $this->can_upgrade() ) { |
| 42 |
add_action( 'all_admin_notices', array( $this, 'admin_notices' ) ); |
| 43 |
return false; |
| 44 |
} |
| 45 |
|
| 46 |
add_action( 'admin_init', array( $this, '_upgrade' ) ); |
| 47 |
return true; |
| 48 |
} |
| 49 |
|
| 50 |
|
| 51 |
/** |
| 52 |
* check if we the previous version is not too old |
| 53 |
* upgrades if OK |
| 54 |
* /!\ never start any upgrade before admin_init as it is likely to conflict with some other plugins |
| 55 |
* |
| 56 |
* @since 1.2 |
| 57 |
* |
| 58 |
* @return bool true if upgrade is possible, false otherwise |
| 59 |
*/ |
| 60 |
public function can_upgrade() { |
| 61 |
// don't manage upgrade from version < 0.8 |
| 62 |
return version_compare( $this->options['version'], '0.8', '>=' ); |
| 63 |
} |
| 64 |
|
| 65 |
/** |
| 66 |
* displays a notice when ugrading from a too old version |
| 67 |
* |
| 68 |
* @since 1.0 |
| 69 |
*/ |
| 70 |
public function admin_notices() { |
| 71 |
load_plugin_textdomain( 'polylang', false, basename( POLYLANG_DIR ) . '/languages' ); |
| 72 |
printf( |
| 73 |
'<div class="error"><p>%s</p><p>%s</p></div>', |
| 74 |
esc_html__( 'Polylang has been deactivated because you upgraded from a too old version.', 'polylang' ), |
| 75 |
sprintf( |
| 76 |
/* translators: %s are Polylang version numbers */ |
| 77 |
esc_html__( 'Please upgrade first to %s before ugrading to %s.', 'polylang' ), |
| 78 |
'<strong>0.9.8</strong>', |
| 79 |
POLYLANG_VERSION |
| 80 |
) |
| 81 |
); |
| 82 |
} |
| 83 |
|
| 84 |
/** |
| 85 |
* upgrades the plugin depending on the previous version |
| 86 |
* |
| 87 |
* @since 1.2 |
| 88 |
*/ |
| 89 |
public function _upgrade() { |
| 90 |
foreach ( array( '0.9', '1.0', '1.1', '1.2', '1.2.1', '1.2.3', '1.3', '1.4', '1.4.1', '1.4.4', '1.5', '1.6', '1.7.4', '1.8' ) as $version ) { |
| 91 |
if ( version_compare( $this->options['version'], $version, '<' ) ) { |
| 92 |
call_user_func( array( $this, 'upgrade_' . str_replace( '.', '_', $version ) ) ); |
| 93 |
} |
| 94 |
} |
| 95 |
|
| 96 |
$delete_pre_1_2_data = get_transient( 'pll_upgrade_1_4' ); |
| 97 |
if ( false !== $delete_pre_1_2_data && absint( $delete_pre_1_2_data ) < time() ) { |
| 98 |
$this->delete_pre_1_2_data(); |
| 99 |
} |
| 100 |
|
| 101 |
$this->options['previous_version'] = $this->options['version']; // remember the previous version of Polylang since v1.7.7 |
| 102 |
$this->options['version'] = POLYLANG_VERSION; |
| 103 |
update_option( 'polylang', $this->options ); |
| 104 |
} |
| 105 |
|
| 106 |
/** |
| 107 |
* upgrades if the previous version is < 0.9 |
| 108 |
* |
| 109 |
* @since 1.2 |
| 110 |
*/ |
| 111 |
protected function upgrade_0_9() { |
| 112 |
$this->options['sync'] = defined( 'PLL_SYNC' ) && ! PLL_SYNC ? 0 : 1; // the option replaces PLL_SYNC in 0.9 |
| 113 |
} |
| 114 |
|
| 115 |
/** |
| 116 |
* upgrades if the previous version is < 1.0 |
| 117 |
* |
| 118 |
* @since 1.2 |
| 119 |
*/ |
| 120 |
protected function upgrade_1_0() { |
| 121 |
// the option replaces PLL_MEDIA_SUPPORT in 1.0 |
| 122 |
$this->options['media_support'] = defined( 'PLL_MEDIA_SUPPORT' ) && ! PLL_MEDIA_SUPPORT ? 0 : 1; |
| 123 |
|
| 124 |
// split the synchronization options in 1.0 |
| 125 |
$this->options['sync'] = empty( $this->options['sync'] ) ? array() : array_keys( PLL_Settings_Sync::list_metas_to_sync() ); |
| 126 |
|
| 127 |
// set default values for post types and taxonomies to translate |
| 128 |
$this->options['post_types'] = array_values( get_post_types( array( '_builtin' => false, 'show_ui' => true ) ) ); |
| 129 |
$this->options['taxonomies'] = array_values( get_taxonomies( array( '_builtin' => false, 'show_ui' => true ) ) ); |
| 130 |
update_option( 'polylang', $this->options ); |
| 131 |
|
| 132 |
flush_rewrite_rules(); // rewrite rules have been modified in 1.0 |
| 133 |
} |
| 134 |
|
| 135 |
/** |
| 136 |
* upgrades if the previous version is < 1.1 |
| 137 |
* |
| 138 |
* @since 1.2 |
| 139 |
*/ |
| 140 |
protected function upgrade_1_1() { |
| 141 |
// update strings register with icl_register_string |
| 142 |
$strings = get_option( 'polylang_wpml_strings' ); |
| 143 |
if ( $strings ) { |
| 144 |
foreach ( $strings as $key => $string ) { |
| 145 |
$strings[ $key ]['icl'] = 1; |
| 146 |
} |
| 147 |
update_option( 'polylang_wpml_strings', $strings ); |
| 148 |
} |
| 149 |
|
| 150 |
// move polylang_widgets options |
| 151 |
if ( $widgets = get_option( 'polylang_widgets' ) ) { |
| 152 |
$this->options['widgets'] = $widgets; |
| 153 |
delete_option( 'polylang_widgets' ); |
| 154 |
} |
| 155 |
} |
| 156 |
|
| 157 |
/** |
| 158 |
* upgrades if the previous version is < 1.2 |
| 159 |
* |
| 160 |
* @since 1.2 |
| 161 |
*/ |
| 162 |
protected function upgrade_1_2() { |
| 163 |
$this->options['domains'] = array(); // option added in 1.2 |
| 164 |
|
| 165 |
// need to register the taxonomies |
| 166 |
foreach ( array( 'language', 'term_language', 'post_translations', 'term_translations' ) as $taxonomy ) { |
| 167 |
register_taxonomy( $taxonomy, null , array( 'label' => false, 'public' => false, 'query_var' => false, 'rewrite' => false ) ); |
| 168 |
} |
| 169 |
|
| 170 |
// abort if the db upgrade has already been done previously |
| 171 |
if ( get_terms( 'term_language', array( 'hide_empty' => 0 ) ) ) { |
| 172 |
return; |
| 173 |
} |
| 174 |
|
| 175 |
set_time_limit( 0 ); // in case we upgrade a huge site |
| 176 |
|
| 177 |
// upgrade old model based on metas to new model based on taxonomies |
| 178 |
global $wpdb; |
| 179 |
$wpdb->termmeta = $wpdb->prefix . 'termmeta'; // registers the termmeta table in wpdb |
| 180 |
$languages = get_terms( 'language', array( 'hide_empty' => 0 ) ); // don't use get_languages_list which can't work with the old model |
| 181 |
|
| 182 |
foreach ( $languages as $lang ) { |
| 183 |
// first update language with new storage for locale and text direction |
| 184 |
$text_direction = get_metadata( 'term', $lang->term_id, '_rtl', true ); |
| 185 |
$desc = serialize( array( 'locale' => $lang->description, 'rtl' => $text_direction ) ); |
| 186 |
wp_update_term( (int) $lang->term_id, 'language', array( 'description' => $desc ) ); |
| 187 |
|
| 188 |
// add language to new 'term_language' taxonomy |
| 189 |
$term_lang = wp_insert_term( $lang->name, 'term_language', array( 'slug' => 'pll_' . $lang->slug ) ); |
| 190 |
$lang_tt_ids[ $lang->term_id ] = $term_lang['term_taxonomy_id']; // keep the term taxonomy id for future |
| 191 |
} |
| 192 |
|
| 193 |
// get all terms with a language defined |
| 194 |
$terms = $wpdb->get_results( "SELECT term_id, meta_value FROM $wpdb->termmeta WHERE meta_key = '_language'" ); |
| 195 |
foreach ( $terms as $key => $term ) { |
| 196 |
$terms[ $key ] = $wpdb->prepare( '( %d, %d )', $term->term_id, $lang_tt_ids[ $term->meta_value ] ); |
| 197 |
} |
| 198 |
|
| 199 |
$terms = array_unique( $terms ); |
| 200 |
|
| 201 |
// assign language to each term |
| 202 |
if ( ! empty( $terms ) ) { |
| 203 |
$wpdb->query( "INSERT INTO $wpdb->term_relationships ( object_id, term_taxonomy_id ) VALUES " . implode( ',', $terms ) ); |
| 204 |
} |
| 205 |
|
| 206 |
// translations |
| 207 |
foreach ( array( 'post', 'term' ) as $type ) { |
| 208 |
$table = $type . 'meta'; |
| 209 |
$terms = $slugs = $tts = $trs = array(); |
| 210 |
|
| 211 |
// get all translated objects |
| 212 |
$objects = $wpdb->get_col( "SELECT DISTINCT meta_value FROM {$wpdb->$table} WHERE meta_key = '_translations'" ); |
| 213 |
|
| 214 |
if ( empty( $objects ) ) { |
| 215 |
continue; |
| 216 |
} |
| 217 |
|
| 218 |
foreach ( $objects as $obj ) { |
| 219 |
$term = uniqid( 'pll_' ); // the term name |
| 220 |
$terms[] = $wpdb->prepare( '( "%1$s", "%1$s" )', $term ); |
| 221 |
$slugs[] = $wpdb->prepare( '"%s"', $term ); |
| 222 |
$translations = maybe_unserialize( maybe_unserialize( $obj ) ); // 2 unserialize due to an old storage bug |
| 223 |
$description[ $term ] = serialize( $translations ); |
| 224 |
} |
| 225 |
|
| 226 |
$terms = array_unique( $terms ); |
| 227 |
|
| 228 |
// insert terms |
| 229 |
if ( ! empty( $terms ) ) { |
| 230 |
$wpdb->query( "INSERT INTO $wpdb->terms ( slug, name ) VALUES " . implode( ',', $terms ) ); |
| 231 |
} |
| 232 |
|
| 233 |
// get all terms with their term_id |
| 234 |
$terms = $wpdb->get_results( "SELECT term_id, slug FROM $wpdb->terms WHERE slug IN ( " . implode( ',', $slugs ) . " )" ); |
| 235 |
|
| 236 |
// prepare terms taxonomy relationship |
| 237 |
foreach ( $terms as $term ) { |
| 238 |
$tts[] = $wpdb->prepare( '( %d, "%s", "%s" )', $term->term_id, $type . '_translations', $description[ $term->slug ] ); |
| 239 |
} |
| 240 |
|
| 241 |
$tts = array_unique( $tts ); |
| 242 |
|
| 243 |
// insert term_taxonomy |
| 244 |
if ( ! empty( $tts ) ) { |
| 245 |
$wpdb->query( "INSERT INTO $wpdb->term_taxonomy ( term_id, taxonomy, description ) VALUES " . implode( ',', $tts ) ); |
| 246 |
} |
| 247 |
|
| 248 |
// get all terms with term_taxonomy_id |
| 249 |
$terms = get_terms( $type . '_translations', array( 'hide_empty' => false ) ); |
| 250 |
|
| 251 |
// prepare objects relationships |
| 252 |
foreach ( $terms as $term ) { |
| 253 |
$translations = unserialize( $term->description ); |
| 254 |
foreach ( $translations as $object_id ) { |
| 255 |
if ( ! empty( $object_id ) ) { |
| 256 |
$trs[] = $wpdb->prepare( '( %d, %d )', $object_id, $term->term_taxonomy_id ); |
| 257 |
} |
| 258 |
} |
| 259 |
} |
| 260 |
|
| 261 |
$trs = array_unique( $trs ); |
| 262 |
|
| 263 |
// insert term_relationships |
| 264 |
if ( ! empty( $trs ) ) { |
| 265 |
$wpdb->query( "INSERT INTO $wpdb->term_relationships ( object_id, term_taxonomy_id ) VALUES " . implode( ',', $trs ) ); |
| 266 |
} |
| 267 |
} |
| 268 |
|
| 269 |
// upgrade of string translations is now in upgrade_1_2_1 |
| 270 |
// upgrade of nav menus is now in upgrade_1_2_3 |
| 271 |
} |
| 272 |
|
| 273 |
/** |
| 274 |
* upgrades if the previous version is < 1.2.1 |
| 275 |
* |
| 276 |
* @since 1.2.1 |
| 277 |
*/ |
| 278 |
protected function upgrade_1_2_1() { |
| 279 |
// strings translations |
| 280 |
foreach ( get_terms( 'language', array( 'hide_empty' => 0 ) ) as $lang ) { |
| 281 |
if ( $strings = get_option( 'polylang_mo' . $lang->term_id ) ) { |
| 282 |
$mo = new PLL_MO(); |
| 283 |
foreach ( $strings as $msg ) { |
| 284 |
$mo->add_entry( $mo->make_entry( $msg[0], $msg[1] ) ); |
| 285 |
} |
| 286 |
$mo->export_to_db( $lang ); |
| 287 |
} |
| 288 |
} |
| 289 |
} |
| 290 |
|
| 291 |
/** |
| 292 |
* upgrades if the previous version is < 1.2.3 |
| 293 |
* uprades multilingual menus depending on the old version due to multiple changes in menus management |
| 294 |
* |
| 295 |
* @since 1.2.3 |
| 296 |
*/ |
| 297 |
public function upgrade_1_2_3() { |
| 298 |
// old version < 1.1 |
| 299 |
// multilingal locations and switcher item were stored in a dedicated option |
| 300 |
if ( version_compare( $this->options['version'], '1.1', '<' ) ) { |
| 301 |
if ( $menu_lang = get_option( 'polylang_nav_menus' ) ) { |
| 302 |
foreach ( $menu_lang as $location => $arr ) { |
| 303 |
if ( ! in_array( $location, array_keys( get_registered_nav_menus() ) ) ) { |
| 304 |
continue; |
| 305 |
} |
| 306 |
|
| 307 |
$switch_options = array_slice( $arr, -5, 5 ); |
| 308 |
$translations = array_diff_key( $arr, $switch_options ); |
| 309 |
$has_switcher = array_shift( $switch_options ); |
| 310 |
|
| 311 |
foreach ( get_terms( 'language', array( 'hide_empty' => 0 ) ) as $lang ) { |
| 312 |
// move nav menus locations |
| 313 |
if ( ! empty( $translations[ $lang->slug ] ) ) { |
| 314 |
$locations[ $location ][ $lang->slug ] = $translations[ $lang->slug ]; |
| 315 |
} |
| 316 |
|
| 317 |
// create the menu items for the language switcher |
| 318 |
if ( ! empty( $has_switcher ) ) { |
| 319 |
$menu_item_db_id = wp_update_nav_menu_item( $translations[ $lang->slug ], 0, array( |
| 320 |
'menu-item-title' => __( 'Language switcher', 'polylang' ), |
| 321 |
'menu-item-url' => '#pll_switcher', |
| 322 |
'menu-item-status' => 'publish', |
| 323 |
) ); |
| 324 |
|
| 325 |
update_post_meta( $menu_item_db_id, '_pll_menu_item', $switch_options ); |
| 326 |
} |
| 327 |
} |
| 328 |
} |
| 329 |
|
| 330 |
if ( ! empty( $locations ) ) { |
| 331 |
$this->options['nav_menus'][ get_option( 'stylesheet' ) ] = $locations; |
| 332 |
} |
| 333 |
|
| 334 |
delete_option( 'polylang_nav_menus' ); |
| 335 |
} |
| 336 |
} |
| 337 |
|
| 338 |
elseif ( empty( $this->options['nav_menus'] ) ) { |
| 339 |
$menus = get_theme_mod( 'nav_menu_locations' ); |
| 340 |
|
| 341 |
if ( is_array( $menus ) ) { |
| 342 |
// if old version < 1.2 |
| 343 |
// clean the WP option as it was a bad idea to pollute it |
| 344 |
if ( version_compare( $this->options['version'], '1.2', '<' ) ) { |
| 345 |
foreach ( $menus as $loc => $menu ) { |
| 346 |
if ( $pos = strpos( $loc, '#' ) ) { |
| 347 |
unset( $menus[ $loc ] ); |
| 348 |
} |
| 349 |
} |
| 350 |
|
| 351 |
set_theme_mod( 'nav_menu_locations', $menus ); |
| 352 |
} |
| 353 |
|
| 354 |
// get the multilingual locations |
| 355 |
foreach ( $menus as $loc => $menu ) { |
| 356 |
foreach ( get_terms( 'language', array( 'hide_empty' => 0 ) ) as $lang ) { |
| 357 |
$arr[ $loc ][ $lang->slug ] = pll_get_term( $menu, $lang ); |
| 358 |
} |
| 359 |
} |
| 360 |
|
| 361 |
if ( ! empty( $arr ) ) { |
| 362 |
$this->options['nav_menus'][ get_option( 'stylesheet' ) ] = $arr; |
| 363 |
} |
| 364 |
} |
| 365 |
} |
| 366 |
} |
| 367 |
|
| 368 |
/** |
| 369 |
* upgrades if the previous version is < 1.3 |
| 370 |
* moves the user biographies in default language to the 'description' user meta |
| 371 |
* |
| 372 |
* @since 1.3 |
| 373 |
*/ |
| 374 |
protected function upgrade_1_3() { |
| 375 |
$usermeta = 'description_' . $this->options['default_lang']; |
| 376 |
$query = new WP_User_Query( array( 'blog_id' => $GLOBALS['blog_id'], 'meta_key' => $usermeta ) ); |
| 377 |
|
| 378 |
foreach ( $query->get_results() as $user ) { |
| 379 |
$desc = get_user_meta( $user->ID, $usermeta, true ); |
| 380 |
if ( ! empty( $desc ) ) { |
| 381 |
update_user_meta( $user->ID, 'description', $desc ); |
| 382 |
delete_user_meta( $user->ID, $usermeta ); |
| 383 |
} |
| 384 |
} |
| 385 |
} |
| 386 |
|
| 387 |
/** |
| 388 |
* upgrades if the previous version is < 1.4 |
| 389 |
* sets a transient to delete old model data |
| 390 |
* deletes language cache (due to bug correction in home urls in 1.3.1 and added mo_id in 1.4) |
| 391 |
* |
| 392 |
* @since 1.4 |
| 393 |
*/ |
| 394 |
protected function upgrade_1_4() { |
| 395 |
set_transient( 'pll_upgrade_1_4', time() + 60 * 24 * 60 * 60 ); // 60 days |
| 396 |
delete_transient( 'pll_languages_list' ); |
| 397 |
} |
| 398 |
|
| 399 |
/** |
| 400 |
* old data were not deleted in 1.2, just in case... |
| 401 |
* delete them at first upgrade at least 60 days after upgrade to 1.4 |
| 402 |
* |
| 403 |
* @since 1.4 |
| 404 |
*/ |
| 405 |
protected function delete_pre_1_2_data() { |
| 406 |
// suppress data of the old model < 1.2 |
| 407 |
global $wpdb; |
| 408 |
$wpdb->termmeta = $wpdb->prefix . 'termmeta'; // registers the termmeta table in wpdb in case WP < 4.4 |
| 409 |
|
| 410 |
// do nothing if the termmeta table does not exists |
| 411 |
if ( count( $wpdb->get_results( "SHOW TABLES LIKE '$wpdb->termmeta'" ) ) ) { |
| 412 |
$wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_key = '_translations'" ); |
| 413 |
$wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_language'" ); |
| 414 |
$wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_rtl'" ); |
| 415 |
$wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_translations'" ); |
| 416 |
} |
| 417 |
|
| 418 |
// delete the strings translations |
| 419 |
$languages = get_terms( 'language', array( 'hide_empty' => false ) ); |
| 420 |
foreach ( $languages as $lang ) { |
| 421 |
delete_option( 'polylang_mo' . $lang->term_id ); |
| 422 |
} |
| 423 |
|
| 424 |
delete_transient( 'pll_upgrade_1_4' ); |
| 425 |
} |
| 426 |
|
| 427 |
/** |
| 428 |
* upgrades if the previous version is < 1.4.1 |
| 429 |
* disables the browser detection when using multiple domains |
| 430 |
* |
| 431 |
* @since 1.4.1 |
| 432 |
*/ |
| 433 |
protected function upgrade_1_4_1() { |
| 434 |
if ( 3 == $this->options['force_lang'] ) { |
| 435 |
$this->options['browser'] = $this->options['hide_default'] = 0; |
| 436 |
} |
| 437 |
} |
| 438 |
|
| 439 |
/** |
| 440 |
* upgrades if the previous version is < 1.4.4 |
| 441 |
* uprades widgets options for language filter |
| 442 |
* |
| 443 |
* @since 1.4.4 |
| 444 |
*/ |
| 445 |
protected function upgrade_1_4_4() { |
| 446 |
foreach ( $GLOBALS['wp_registered_widgets'] as $widget ) { |
| 447 |
if ( ! empty( $this->options['widgets'][ $widget['id'] ] ) && ! empty( $widget['callback'][0] ) && ! empty( $widget['params'][0]['number'] ) ) { |
| 448 |
$obj = $widget['callback'][0]; |
| 449 |
if ( is_object( $obj ) && method_exists( $obj, 'get_settings' ) && method_exists( $obj, 'save_settings' ) ) { |
| 450 |
$settings = $obj->get_settings(); |
| 451 |
$settings[ $widget['params'][0]['number'] ]['pll_lang'] = $this->options['widgets'][ $widget['id'] ]; |
| 452 |
$obj->save_settings( $settings ); |
| 453 |
} |
| 454 |
} |
| 455 |
} |
| 456 |
unset( $this->options['widgets'] ); |
| 457 |
} |
| 458 |
|
| 459 |
/** |
| 460 |
* upgrades if the previous version is < 1.5 |
| 461 |
* deletes language cache (due to host property added and bug on search url) |
| 462 |
* |
| 463 |
* @since 1.5 |
| 464 |
*/ |
| 465 |
protected function upgrade_1_5() { |
| 466 |
delete_transient( 'pll_languages_list' ); |
| 467 |
} |
| 468 |
|
| 469 |
/** |
| 470 |
* upgrades if the previous version is < 1.6 |
| 471 |
* upgrades core language files to get the .po file (only for WP 4.0+) |
| 472 |
* |
| 473 |
* @since 1.6 |
| 474 |
*/ |
| 475 |
protected function upgrade_1_6() { |
| 476 |
if ( version_compare( $GLOBALS['wp_version'], '4.0', '>=' ) ) { |
| 477 |
self::download_language_packs(); |
| 478 |
} |
| 479 |
} |
| 480 |
|
| 481 |
/** |
| 482 |
* downloads language packs |
| 483 |
* intended to be used only one time (at upgrade to Polylang 1.6 or first upgrade of WP 4.0 or later) |
| 484 |
* adapted from wp_download_language_pack |
| 485 |
* rewritten because wp_download_language_pack checks the existence of .mo and I need to download .po |
| 486 |
* |
| 487 |
* @since 1.6 |
| 488 |
*/ |
| 489 |
static function download_language_packs() { |
| 490 |
$languages = pll_languages_list( array( 'fields' => 'locale' ) ); |
| 491 |
|
| 492 |
// prevents upgrade if the .po file is already here. Let WP manage the upgrades :) |
| 493 |
foreach ( $languages as $key => $locale ) { |
| 494 |
if ( file_exists( WP_LANG_DIR . "/$locale.po" ) ) { |
| 495 |
unset( $languages[ $key ] ); |
| 496 |
} |
| 497 |
} |
| 498 |
|
| 499 |
if ( empty( $languages ) ) { |
| 500 |
return; |
| 501 |
} |
| 502 |
|
| 503 |
require_once( ABSPATH . 'wp-admin/includes/translation-install.php' ); |
| 504 |
$translations = wp_get_available_translations(); |
| 505 |
if ( ! $translations ) { |
| 506 |
return; |
| 507 |
} |
| 508 |
|
| 509 |
foreach ( $translations as $translation ) { |
| 510 |
if ( in_array( $translation['language'], $languages ) ) { |
| 511 |
$translation['type'] = 'core'; |
| 512 |
$translations_to_load[] = (object) $translation; |
| 513 |
} |
| 514 |
} |
| 515 |
|
| 516 |
if ( ! empty( $translations_to_load ) ) { |
| 517 |
require_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' ); |
| 518 |
$upgrader = new Language_Pack_Upgrader( new Automatic_Upgrader_Skin ); |
| 519 |
$upgrader->bulk_upgrade( $translations_to_load, array( 'clear_update_cache' => false ) ); |
| 520 |
} |
| 521 |
} |
| 522 |
|
| 523 |
/** |
| 524 |
* upgrades if the previous version is < 1.7.4 |
| 525 |
* |
| 526 |
* @since 1.7.4 |
| 527 |
*/ |
| 528 |
protected function upgrade_1_7_4() { |
| 529 |
delete_transient( 'pll_languages_list' ); // deletes language cache (due to flag properties added in 1.7, page on front removed in 1.7.2, home url fixes in 1.7.4) |
| 530 |
flush_rewrite_rules(); // flush rewrite rules due to custom taxonomy rewrite rule bug fix |
| 531 |
} |
| 532 |
|
| 533 |
/** |
| 534 |
* upgrades if the previous version is < 1.8 |
| 535 |
* |
| 536 |
* @since 1.8 |
| 537 |
*/ |
| 538 |
protected function upgrade_1_8() { |
| 539 |
// adds the flag code in languages stored in DB |
| 540 |
include( PLL_SETTINGS_INC . '/languages.php' ); |
| 541 |
|
| 542 |
$terms = get_terms( 'language', array( 'hide_empty' => 0 ) ); |
| 543 |
|
| 544 |
foreach ( $terms as $lang ) { |
| 545 |
$description = maybe_unserialize( $lang->description ); |
| 546 |
if ( isset( $languages[ $description['locale'] ] ) ) { |
| 547 |
$description['flag_code'] = $languages[ $description['locale'] ][4]; |
| 548 |
$description = serialize( $description ); |
| 549 |
wp_update_term( (int) $lang->term_id, 'language', array( 'description' => $description ) ); |
| 550 |
} |
| 551 |
} |
| 552 |
|
| 553 |
delete_transient( 'pll_languages_list' ); |
| 554 |
} |
| 555 |
} |
| 556 |
|
