| @@ -1,593 +1,606 @@ | ||
| 1 | -<?php | |
| 2 | - | |
| 3 | -// If this file is called directly, abort. | |
| 4 | -if ( ! defined( 'WPINC' ) ) { | |
| 5 | - die; | |
| 6 | -} | |
| 7 | - | |
| 8 | - | |
| 9 | -/** | |
| 10 | - * Get website language data array | |
| 11 | - * | |
| 12 | - * @return array Language data | |
| 13 | - */ | |
| 14 | -function wplng_get_language_website() { | |
| 15 | - | |
| 16 | - global $wplng_language_website; | |
| 17 | - | |
| 18 | - if ( null !== $wplng_language_website ) { | |
| 19 | - return $wplng_language_website; | |
| 20 | - } | |
| 21 | - | |
| 22 | - $language = wplng_get_language_by_id( | |
| 23 | - wplng_get_language_website_id() | |
| 24 | - ); | |
| 25 | - | |
| 26 | - $wplng_language_website = $language; | |
| 27 | - | |
| 28 | - return $language; | |
| 29 | -} | |
| 30 | - | |
| 31 | - | |
| 32 | -/** | |
| 33 | - * Get the website language ID | |
| 34 | - * | |
| 35 | - * @return string Language ID | |
| 36 | - */ | |
| 37 | -function wplng_get_language_website_id() { | |
| 38 | - | |
| 39 | - $language_api = wplng_get_api_language_website(); | |
| 40 | - | |
| 41 | - if ( 'all' === $language_api ) { | |
| 42 | - $language_id = get_option( 'wplng_website_language' ); | |
| 43 | - } elseif ( false === $language_api ) { | |
| 44 | - return 'en'; | |
| 45 | - } else { | |
| 46 | - $language_id = wplng_get_api_language_website(); | |
| 47 | - } | |
| 48 | - | |
| 49 | - if ( ! wplng_is_valid_language_id( $language_id ) ) { | |
| 50 | - return 'en'; | |
| 51 | - } | |
| 52 | - | |
| 53 | - return $language_id; | |
| 54 | -} | |
| 55 | - | |
| 56 | - | |
| 57 | -/** | |
| 58 | - * Get the URL of website language flag image | |
| 59 | - * | |
| 60 | - * @return string URL flag image | |
| 61 | - */ | |
| 62 | -function wplng_get_language_website_flag() { | |
| 63 | - | |
| 64 | - $website_flag = get_option( 'wplng_website_flag' ); | |
| 65 | - | |
| 66 | - if ( empty( $website_flag ) ) { | |
| 67 | - | |
| 68 | - $website_flag = wplng_get_language_by_id( | |
| 69 | - wplng_get_language_website_id() | |
| 70 | - ); | |
| 71 | - | |
| 72 | - if ( ! empty( $website_flag['flags'][0]['flag'] ) ) { | |
| 73 | - $website_flag = $website_flag['flags'][0]['flag']; | |
| 74 | - } else { | |
| 75 | - $website_flag = ''; // Return empty string if no valid flag | |
| 76 | - } | |
| 77 | - } | |
| 78 | - | |
| 79 | - $website_flag = apply_filters( 'wplng_language_website_flag', $website_flag ); | |
| 80 | - | |
| 81 | - return esc_url( $website_flag ); | |
| 82 | -} | |
| 83 | - | |
| 84 | - | |
| 85 | -/** | |
| 86 | - * Get language name from language ID or data | |
| 87 | - * | |
| 88 | - * @param mixed $language | |
| 89 | - * @return string | |
| 90 | - */ | |
| 91 | -function wplng_get_language_name( $language ) { | |
| 92 | - | |
| 93 | - // if $language is a language array, return name | |
| 94 | - if ( ! empty( $language['name'] ) ) { | |
| 95 | - return esc_html( $language['name'] ); | |
| 96 | - } | |
| 97 | - | |
| 98 | - // $language is a language ID | |
| 99 | - // convert language ID to language array | |
| 100 | - $language = wplng_get_language_by_id( $language ); | |
| 101 | - | |
| 102 | - // If $language is not a valid, return empty string | |
| 103 | - if ( false === $language ) { | |
| 104 | - return ''; | |
| 105 | - } | |
| 106 | - | |
| 107 | - // If name is valid, return the name | |
| 108 | - if ( ! empty( $language['name'] ) ) { | |
| 109 | - return esc_html( $language['name'] ); | |
| 110 | - } | |
| 111 | - | |
| 112 | - // If no name returned here, return empty string | |
| 113 | - return ''; | |
| 114 | -} | |
| 115 | - | |
| 116 | - | |
| 117 | -/** | |
| 118 | - * Get language plural forms from language ID ("en" or "en_US") or data | |
| 119 | - * | |
| 120 | - * @param mixed $language | |
| 121 | - * @return string | |
| 122 | - */ | |
| 123 | -function wplng_get_language_plural_forms( $language ) { | |
| 124 | - | |
| 125 | - // if $language is a language array, return plural_forms | |
| 126 | - if ( is_array( $language ) | |
| 127 | - && ! empty( $language['plural_forms'] ) | |
| 128 | - ) { | |
| 129 | - return $language['plural_forms']; | |
| 130 | - } | |
| 131 | - | |
| 132 | - if ( ! is_string( $language ) ) { | |
| 133 | - // Return most current plural form | |
| 134 | - return 'nplurals=2; plural=n != 1;'; | |
| 135 | - } | |
| 136 | - | |
| 137 | - // If string is like "en_US" | |
| 138 | - if ( strlen( $language ) > 2 ) { | |
| 139 | - $language = strtolower( explode( '_', $language )[0] ); | |
| 140 | - } | |
| 141 | - | |
| 142 | - if ( ! wplng_is_valid_language_id( $language ) ) { | |
| 143 | - // Return most current plural form | |
| 144 | - return 'nplurals=2; plural=n != 1;'; | |
| 145 | - } | |
| 146 | - | |
| 147 | - // $language is a language ID | |
| 148 | - // convert language ID to language array | |
| 149 | - $language = wplng_get_language_by_id( $language ); | |
| 150 | - | |
| 151 | - // If $language is not a valid, return most current plural form | |
| 152 | - if ( false === $language ) { | |
| 153 | - return 'nplurals=2; plural=n != 1;'; | |
| 154 | - } | |
| 155 | - | |
| 156 | - // If plural forms is know, return it | |
| 157 | - if ( ! empty( $language['plural_forms'] ) ) { | |
| 158 | - return $language['plural_forms']; | |
| 159 | - } | |
| 160 | - | |
| 161 | - // If no plural forms returned here, return most current plural form | |
| 162 | - return 'nplurals=2; plural=n != 1;'; | |
| 163 | -} | |
| 164 | - | |
| 165 | - | |
| 166 | -/** | |
| 167 | - * Get language ID from language ID or data | |
| 168 | - * | |
| 169 | - * @param mixed $language | |
| 170 | - * @return string Language ID | |
| 171 | - */ | |
| 172 | -function wplng_get_language_id( $language ) { | |
| 173 | - | |
| 174 | - // If $language is a language array | |
| 175 | - if ( ! empty( $language['id'] ) | |
| 176 | - && wplng_is_valid_language_id( $language['id'] ) | |
| 177 | - ) { | |
| 178 | - return $language['id']; | |
| 179 | - } | |
| 180 | - | |
| 181 | - // If $language is a language ID, get language array | |
| 182 | - $language = wplng_get_language_by_id( $language ); | |
| 183 | - | |
| 184 | - // If language ID is invalid, return a default value | |
| 185 | - if ( false === $language || empty( $language['id'] ) ) { | |
| 186 | - return 'en'; | |
| 187 | - } | |
| 188 | - | |
| 189 | - return $language['id']; | |
| 190 | -} | |
| 191 | - | |
| 192 | - | |
| 193 | -/** | |
| 194 | - * Get language name translated from language ID or data | |
| 195 | - * | |
| 196 | - * @param mixed $language Language ID or data | |
| 197 | - * @param string $language_target Language ID | |
| 198 | - * @return string Language name translated | |
| 199 | - */ | |
| 200 | -function wplng_get_language_name_translated( $language, $language_target = '' ) { | |
| 201 | - | |
| 202 | - // Get target language ID | |
| 203 | - if ( empty( $language_target ) ) { | |
| 204 | - $language_target = wplng_get_language_current_id(); | |
| 205 | - } else { | |
| 206 | - $language_target_id = wplng_get_language_id( $language_target ); | |
| 207 | - } | |
| 208 | - | |
| 209 | - // Get language array | |
| 210 | - if ( empty( $language['id'] ) ) { | |
| 211 | - $language = wplng_get_language_by_id( $language ); | |
| 212 | - } | |
| 213 | - | |
| 214 | - $translated_language_name = ''; | |
| 215 | - | |
| 216 | - if ( ! empty( $language['name_translation'][ $language_target_id ] ) ) { | |
| 217 | - $translated_language_name = esc_html( $language['name_translation'][ $language_target_id ] ); | |
| 218 | - } else { | |
| 219 | - $translated_language_name = wplng_get_language_name( $language ); | |
| 220 | - } | |
| 221 | - | |
| 222 | - return esc_html( $translated_language_name ); | |
| 223 | -} | |
| 224 | - | |
| 225 | - | |
| 226 | -function wplng_get_language_name_untranslated( $language ) { | |
| 227 | - return wplng_get_language_name_translated( $language, $language ); | |
| 228 | -} | |
| 229 | - | |
| 230 | - | |
| 231 | -/** | |
| 232 | - * Return a JSON with languages data simplified | |
| 233 | - * | |
| 234 | - * @return array Languages data simplified | |
| 235 | - */ | |
| 236 | -function wplng_get_languages_target_simplified() { | |
| 237 | - | |
| 238 | - global $wplng_languages_target_simplified; | |
| 239 | - | |
| 240 | - if ( null !== $wplng_languages_target_simplified ) { | |
| 241 | - return $wplng_languages_target_simplified; | |
| 242 | - } | |
| 243 | - | |
| 244 | - $json = get_option( 'wplng_target_languages' ); | |
| 245 | - | |
| 246 | - if ( empty( $json ) || ! is_string( $json ) ) { | |
| 247 | - $json = '[]'; | |
| 248 | - } | |
| 249 | - | |
| 250 | - $languages_target = json_decode( $json, true ); | |
| 251 | - $all_languages = wplng_get_languages_allow(); | |
| 252 | - $ordered = array(); | |
| 253 | - | |
| 254 | - // Process languages in the order they appear in the settings (preserve order) | |
| 255 | - foreach ( $languages_target as $language_target ) { | |
| 256 | - if ( empty( $language_target['id'] ) ) { | |
| 257 | - continue; | |
| 258 | - } | |
| 259 | - | |
| 260 | - // Skip private languages for non-authorized users | |
| 261 | - if ( ! empty( $language_target['private'] ) | |
| 262 | - && ! current_user_can( 'edit_posts' ) | |
| 263 | - ) { | |
| 264 | - continue; | |
| 265 | - } | |
| 266 | - | |
| 267 | - // Find the language in allowed languages to validate it exists | |
| 268 | - $language_found = false; | |
| 269 | - foreach ( $all_languages as $language ) { | |
| 270 | - if ( ! empty( $language['id'] ) && $language['id'] === $language_target['id'] ) { | |
| 271 | - $language_found = true; | |
| 272 | - break; | |
| 273 | - } | |
| 274 | - } | |
| 275 | - | |
| 276 | - // Only add if the language is found in allowed languages | |
| 277 | - if ( $language_found ) { | |
| 278 | - $ordered[] = $language_target; | |
| 279 | - } | |
| 280 | - } | |
| 281 | - | |
| 282 | - $wplng_languages_target_simplified = $ordered; | |
| 283 | - | |
| 284 | - return $ordered; | |
| 285 | -} | |
| 286 | - | |
| 287 | - | |
| 288 | -/** | |
| 289 | - * Get target languages data | |
| 290 | - * | |
| 291 | - * @return array | |
| 292 | - */ | |
| 293 | -function wplng_get_languages_target() { | |
| 294 | - | |
| 295 | - global $wplng_languages_target; | |
| 296 | - | |
| 297 | - if ( null !== $wplng_languages_target ) { | |
| 298 | - return $wplng_languages_target; | |
| 299 | - } | |
| 300 | - | |
| 301 | - $languages_target = wplng_get_languages_target_simplified(); | |
| 302 | - $languages_target_clear = array(); | |
| 303 | - | |
| 304 | - // Check each $languages_target | |
| 305 | - foreach ( $languages_target as $key => $language_target ) { | |
| 306 | - // Check languages target format | |
| 307 | - if ( ! empty( $language_target['id'] ) && isset( $language_target['flag'] ) ) { | |
| 308 | - // Check if language is valid | |
| 309 | - if ( wplng_is_valid_language_id( $language_target['id'] ) ) { | |
| 310 | - $language = wplng_get_language_by_id( $language_target['id'] ); | |
| 311 | - if ( false !== $language ) { | |
| 312 | - $languages_target_clear[] = $language; | |
| 313 | - } | |
| 314 | - } | |
| 315 | - } | |
| 316 | - } | |
| 317 | - | |
| 318 | - $wplng_languages_target = $languages_target_clear; | |
| 319 | - | |
| 320 | - return $languages_target_clear; | |
| 321 | -} | |
| 322 | - | |
| 323 | - | |
| 324 | -/** | |
| 325 | - * Get target languages IDs | |
| 326 | - * | |
| 327 | - * @return array | |
| 328 | - */ | |
| 329 | -function wplng_get_languages_target_ids() { | |
| 330 | - | |
| 331 | - if ( ! empty( $languages ) ) { | |
| 332 | - return $languages; | |
| 333 | - } | |
| 334 | - | |
| 335 | - $languages_target = wplng_get_languages_target(); | |
| 336 | - $languages_target_ids = array(); | |
| 337 | - | |
| 338 | - foreach ( $languages_target as $language_target ) { | |
| 339 | - $languages_target_ids[] = $language_target['id']; | |
| 340 | - } | |
| 341 | - | |
| 342 | - return $languages_target_ids; | |
| 343 | -} | |
| 344 | - | |
| 345 | - | |
| 346 | -/** | |
| 347 | - * Get current language ID | |
| 348 | - * | |
| 349 | - * @return string | |
| 350 | - */ | |
| 351 | -function wplng_get_language_current_id() { | |
| 352 | - | |
| 353 | - global $wplng_language_current_id; | |
| 354 | - | |
| 355 | - if ( null !== $wplng_language_current_id ) { | |
| 356 | - return $wplng_language_current_id; | |
| 357 | - } | |
| 358 | - | |
| 359 | - global $wplng_request_uri; | |
| 360 | - $current_path = $wplng_request_uri; | |
| 361 | - $languages_target = wplng_get_languages_target_ids(); | |
| 362 | - | |
| 363 | - if ( empty( $current_path ) | |
| 364 | - || ! is_string( $current_path ) | |
| 365 | - ) { | |
| 366 | - return wplng_get_language_website_id(); | |
| 367 | - } | |
| 368 | - | |
| 369 | - foreach ( $languages_target as $language ) { | |
| 370 | - if ( substr( $current_path, 0, 4 ) === '/' . $language . '/' | |
| 371 | - || substr( $current_path, 0, 3 ) === $language . '/' | |
| 372 | - ) { | |
| 373 | - | |
| 374 | - $wplng_language_current_id = $language; | |
| 375 | - | |
| 376 | - return $language; | |
| 377 | - } | |
| 378 | - } | |
| 379 | - | |
| 380 | - return wplng_get_language_website_id(); | |
| 381 | -} | |
| 382 | - | |
| 383 | - | |
| 384 | -/** | |
| 385 | - * Get languages data from languages IDs list | |
| 386 | - * | |
| 387 | - * @param array $language_ids | |
| 388 | - * @return array | |
| 389 | - */ | |
| 390 | -function wplng_get_languages_by_ids( $language_ids ) { | |
| 391 | - | |
| 392 | - $all_languages = wplng_get_languages_all(); | |
| 393 | - $languages = array(); | |
| 394 | - | |
| 395 | - foreach ( $language_ids as $language_id ) { | |
| 396 | - foreach ( $all_languages as $language ) { | |
| 397 | - if ( ! empty( $language['id'] ) && $language['id'] === $language_id ) { | |
| 398 | - $languages[] = $language; | |
| 399 | - break; | |
| 400 | - } | |
| 401 | - } | |
| 402 | - } | |
| 403 | - | |
| 404 | - return $languages; | |
| 405 | -} | |
| 406 | - | |
| 407 | - | |
| 408 | -/** | |
| 409 | - * Get language data from ID | |
| 410 | - * | |
| 411 | - * @param string $language_id | |
| 412 | - * @return array | |
| 413 | - */ | |
| 414 | -function wplng_get_language_by_id( $language_id ) { | |
| 415 | - | |
| 416 | - $all_languages = wplng_get_languages_all(); | |
| 417 | - | |
| 418 | - foreach ( $all_languages as $language ) { | |
| 419 | - if ( ! empty( $language['id'] ) && $language['id'] === $language_id ) { | |
| 420 | - return $language; | |
| 421 | - } | |
| 422 | - } | |
| 423 | - | |
| 424 | - // Return a default value if $language_id not exist | |
| 425 | - return wplng_get_language_by_id( 'en' ); | |
| 426 | -} | |
| 427 | - | |
| 428 | - | |
| 429 | -/** | |
| 430 | - * Check if a language ID is valid | |
| 431 | - * | |
| 432 | - * @param string $language_id | |
| 433 | - * @return bool | |
| 434 | - */ | |
| 435 | -function wplng_is_valid_language_id( $language_id ) { | |
| 436 | - | |
| 437 | - // If $language_id format is not valid, return default data | |
| 438 | - if ( empty( $language_id ) | |
| 439 | - || ! is_string( $language_id ) | |
| 440 | - || strlen( $language_id ) !== 2 | |
| 441 | - ) { | |
| 442 | - return false; | |
| 443 | - } | |
| 444 | - | |
| 445 | - return in_array( $language_id, wplng_data_languages_id(), true ); | |
| 446 | -} | |
| 447 | - | |
| 448 | - | |
| 449 | -/** | |
| 450 | - * Check if a list of languages ID are valid | |
| 451 | - * | |
| 452 | - * @param array $language_id_list | |
| 453 | - * @return bool Languages ID are valid | |
| 454 | - */ | |
| 455 | -function wplng_is_valid_language_ids( $language_id_list ) { | |
| 456 | - | |
| 457 | - if ( ! is_array( $language_id_list ) ) { | |
| 458 | - return false; | |
| 459 | - } | |
| 460 | - | |
| 461 | - $languages_data_id = wplng_data_languages_id(); | |
| 462 | - | |
| 463 | - foreach ( $language_id_list as $language_id ) { | |
| 464 | - | |
| 465 | - // If $language_id format is not valid, return default data | |
| 466 | - if ( empty( $language_id ) | |
| 467 | - || ! is_string( $language_id ) | |
| 468 | - || strlen( $language_id ) !== 2 | |
| 469 | - ) { | |
| 470 | - return false; | |
| 471 | - } | |
| 472 | - | |
| 473 | - // If language ID not exist | |
| 474 | - $is_valid_language = false; | |
| 475 | - foreach ( $languages_data_id as $language_data_id ) { | |
| 476 | - if ( $language_data_id === $language_id ) { | |
| 477 | - $is_valid_language = true; | |
| 478 | - break; | |
| 479 | - } | |
| 480 | - } | |
| 481 | - | |
| 482 | - if ( false === $is_valid_language ) { | |
| 483 | - return false; | |
| 484 | - } | |
| 485 | - } | |
| 486 | - | |
| 487 | - return true; | |
| 488 | -} | |
| 489 | - | |
| 490 | - | |
| 491 | -/** | |
| 492 | - * Get data of all languages | |
| 493 | - * | |
| 494 | - * @return array | |
| 495 | - */ | |
| 496 | -function wplng_get_languages_all() { | |
| 497 | - | |
| 498 | - global $wplng_languages_all; | |
| 499 | - | |
| 500 | - if ( null !== $wplng_languages_all ) { | |
| 501 | - return $wplng_languages_all; | |
| 502 | - } | |
| 503 | - | |
| 504 | - $languages = wplng_data_languages(); | |
| 505 | - $source_language = get_option( 'wplng_website_language' ); | |
| 506 | - $source_flag = get_option( 'wplng_website_flag' ); | |
| 507 | - $target_flags = get_option( 'wplng_target_languages' ); | |
| 508 | - | |
| 509 | - if ( empty( $target_flags ) || ! is_string( $target_flags ) ) { | |
| 510 | - $target_flags = '[]'; | |
| 511 | - } | |
| 512 | - | |
| 513 | - $target_flags = json_decode( $target_flags, true ); | |
| 514 | - | |
| 515 | - if ( empty( $source_language ) ) { | |
| 516 | - $source_language = 'en'; | |
| 517 | - } | |
| 518 | - | |
| 519 | - foreach ( $languages as $key => $language ) { | |
| 520 | - | |
| 521 | - $flags_style = wplng_get_switcher_flags_style() . '/'; | |
| 522 | - | |
| 523 | - if ( 'none/' === $flags_style ) { | |
| 524 | - $flags_style = 'rectangular/'; | |
| 525 | - } | |
| 526 | - | |
| 527 | - // Set custom website flag if defined | |
| 528 | - if ( ! empty( $source_language ) | |
| 529 | - && $language['id'] === $source_language | |
| 530 | - && ! empty( $source_flag ) | |
| 531 | - ) { | |
| 532 | - $languages[ $key ]['flag'] = $source_flag; | |
| 533 | - } else { | |
| 534 | - $languages[ $key ]['flag'] = plugins_url() . '/wplingua/assets/images/' . $flags_style . $language['flag'] . '.png'; | |
| 535 | - } | |
| 536 | - | |
| 537 | - // Set custom target flag if defined | |
| 538 | - foreach ( $target_flags as $target_key => $target_flag ) { | |
| 539 | - if ( ! empty( $target_flag['id'] ) && $target_flag['id'] === $language['id'] ) { | |
| 540 | - $languages[ $key ]['flag'] = $target_flag['flag']; | |
| 541 | - break; | |
| 542 | - } | |
| 543 | - } | |
| 544 | - | |
| 545 | - // Transform flags to URL | |
| 546 | - foreach ( $languages[ $key ]['flags'] as $key_flag => $flag ) { | |
| 547 | - $languages[ $key ]['flags'][ $key_flag ]['flag'] = plugins_url() . '/wplingua/assets/images/' . $flags_style . $flag['flag'] . '.png'; | |
| 548 | - } | |
| 549 | - | |
| 550 | - // Add default DIR as LTR if not specified or invalid | |
| 551 | - if ( empty( $language['dir'] ) | |
| 552 | - || 'rtl' !== $language['dir'] | |
| 553 | - ) { | |
| 554 | - $languages[ $key ]['dir'] = 'ltr'; | |
| 555 | - } | |
| 556 | - } | |
| 557 | - | |
| 558 | - $wplng_languages_all = $languages; | |
| 559 | - | |
| 560 | - return $languages; | |
| 561 | -} | |
| 562 | - | |
| 563 | - | |
| 564 | -/** | |
| 565 | - * Get data of all languages allowed | |
| 566 | - * | |
| 567 | - * @return array | |
| 568 | - */ | |
| 569 | -function wplng_get_languages_allow() { | |
| 570 | - | |
| 571 | - global $wplng_languages_allow; | |
| 572 | - | |
| 573 | - if ( null !== $wplng_languages_allow ) { | |
| 574 | - return $wplng_languages_allow; | |
| 575 | - } | |
| 576 | - | |
| 577 | - $languages_alow = wplng_get_api_languages_target(); | |
| 578 | - $languages = array(); | |
| 579 | - | |
| 580 | - if ( 'all' === $languages_alow ) { | |
| 581 | - return wplng_get_languages_all(); | |
| 582 | - } elseif ( empty( $languages_alow ) || ! is_array( $languages_alow ) ) { | |
| 583 | - return array(); | |
| 584 | - } else { | |
| 585 | - foreach ( $languages_alow as $language_id_alow ) { | |
| 586 | - $languages[] = wplng_get_language_by_id( $language_id_alow ); | |
| 587 | - } | |
| 588 | - | |
| 589 | - $wplng_languages_allow = $languages; | |
| 590 | - } | |
| 591 | - | |
| 592 | - return $languages; | |
| 593 | -} | |
| 1 | +<?php | |
| 2 | + | |
| 3 | +// If this file is called directly, abort. | |
| 4 | +if ( ! defined( 'WPINC' ) ) { | |
| 5 | + die; | |
| 6 | +} | |
| 7 | + | |
| 8 | + | |
| 9 | +/** | |
| 10 | + * Get website language data array | |
| 11 | + * | |
| 12 | + * @return array Language data | |
| 13 | + */ | |
| 14 | +function wplng_get_language_website() { | |
| 15 | + | |
| 16 | + global $wplng_language_website; | |
| 17 | + | |
| 18 | + if ( null !== $wplng_language_website ) { | |
| 19 | + return $wplng_language_website; | |
| 20 | + } | |
| 21 | + | |
| 22 | + $language = wplng_get_language_by_id( | |
| 23 | + wplng_get_language_website_id() | |
| 24 | + ); | |
| 25 | + | |
| 26 | + $wplng_language_website = $language; | |
| 27 | + | |
| 28 | + return $language; | |
| 29 | +} | |
| 30 | + | |
| 31 | + | |
| 32 | +/** | |
| 33 | + * Get the website language ID | |
| 34 | + * | |
| 35 | + * @return string Language ID | |
| 36 | + */ | |
| 37 | +function wplng_get_language_website_id() { | |
| 38 | + | |
| 39 | + $language_api = wplng_get_api_language_website(); | |
| 40 | + | |
| 41 | + if ( 'all' === $language_api ) { | |
| 42 | + $language_id = get_option( 'wplng_website_language' ); | |
| 43 | + } elseif ( false === $language_api ) { | |
| 44 | + return 'en'; | |
| 45 | + } else { | |
| 46 | + $language_id = wplng_get_api_language_website(); | |
| 47 | + } | |
| 48 | + | |
| 49 | + if ( ! wplng_is_valid_language_id( $language_id ) ) { | |
| 50 | + return 'en'; | |
| 51 | + } | |
| 52 | + | |
| 53 | + return $language_id; | |
| 54 | +} | |
| 55 | + | |
| 56 | + | |
| 57 | +/** | |
| 58 | + * Get the URL of website language flag image | |
| 59 | + * | |
| 60 | + * @return string URL flag image | |
| 61 | + */ | |
| 62 | +function wplng_get_language_website_flag() { | |
| 63 | + | |
| 64 | + $website_flag = get_option( 'wplng_website_flag' ); | |
| 65 | + | |
| 66 | + if ( empty( $website_flag ) ) { | |
| 67 | + | |
| 68 | + $website_flag = wplng_get_language_by_id( | |
| 69 | + wplng_get_language_website_id() | |
| 70 | + ); | |
| 71 | + | |
| 72 | + if ( ! empty( $website_flag['flags'][0]['flag'] ) ) { | |
| 73 | + $website_flag = $website_flag['flags'][0]['flag']; | |
| 74 | + } else { | |
| 75 | + $website_flag = ''; // Return empty string if no valid flag | |
| 76 | + } | |
| 77 | + } | |
| 78 | + | |
| 79 | + $website_flag = apply_filters( 'wplng_language_website_flag', $website_flag ); | |
| 80 | + | |
| 81 | + return esc_url( $website_flag ); | |
| 82 | +} | |
| 83 | + | |
| 84 | + | |
| 85 | +/** | |
| 86 | + * Get language name from language ID or data | |
| 87 | + * | |
| 88 | + * @param mixed $language | |
| 89 | + * @return string | |
| 90 | + */ | |
| 91 | +function wplng_get_language_name( $language ) { | |
| 92 | + | |
| 93 | + // if $language is a language array, return name | |
| 94 | + if ( ! empty( $language['name'] ) ) { | |
| 95 | + return esc_html( $language['name'] ); | |
| 96 | + } | |
| 97 | + | |
| 98 | + // $language is a language ID | |
| 99 | + // convert language ID to language array | |
| 100 | + $language = wplng_get_language_by_id( $language ); | |
| 101 | + | |
| 102 | + // If $language is not a valid, return empty string | |
| 103 | + if ( false === $language ) { | |
| 104 | + return ''; | |
| 105 | + } | |
| 106 | + | |
| 107 | + // If name is valid, return the name | |
| 108 | + if ( ! empty( $language['name'] ) ) { | |
| 109 | + return esc_html( $language['name'] ); | |
| 110 | + } | |
| 111 | + | |
| 112 | + // If no name returned here, return empty string | |
| 113 | + return ''; | |
| 114 | +} | |
| 115 | + | |
| 116 | + | |
| 117 | +/** | |
| 118 | + * Get language plural forms from language ID ("en" or "en_US") or data | |
| 119 | + * | |
| 120 | + * @param mixed $language | |
| 121 | + * @return string | |
| 122 | + */ | |
| 123 | +function wplng_get_language_plural_forms( $language ) { | |
| 124 | + | |
| 125 | + // if $language is a language array, return plural_forms | |
| 126 | + if ( is_array( $language ) | |
| 127 | + && ! empty( $language['plural_forms'] ) | |
| 128 | + ) { | |
| 129 | + return $language['plural_forms']; | |
| 130 | + } | |
| 131 | + | |
| 132 | + if ( ! is_string( $language ) ) { | |
| 133 | + // Return most current plural form | |
| 134 | + return 'nplurals=2; plural=n != 1;'; | |
| 135 | + } | |
| 136 | + | |
| 137 | + // If string is like "en_US" | |
| 138 | + if ( strlen( $language ) > 2 ) { | |
| 139 | + $language = strtolower( explode( '_', $language )[0] ); | |
| 140 | + } | |
| 141 | + | |
| 142 | + if ( ! wplng_is_valid_language_id( $language ) ) { | |
| 143 | + // Return most current plural form | |
| 144 | + return 'nplurals=2; plural=n != 1;'; | |
| 145 | + } | |
| 146 | + | |
| 147 | + // $language is a language ID | |
| 148 | + // convert language ID to language array | |
| 149 | + $language = wplng_get_language_by_id( $language ); | |
| 150 | + | |
| 151 | + // If $language is not a valid, return most current plural form | |
| 152 | + if ( false === $language ) { | |
| 153 | + return 'nplurals=2; plural=n != 1;'; | |
| 154 | + } | |
| 155 | + | |
| 156 | + // If plural forms is know, return it | |
| 157 | + if ( ! empty( $language['plural_forms'] ) ) { | |
| 158 | + return $language['plural_forms']; | |
| 159 | + } | |
| 160 | + | |
| 161 | + // If no plural forms returned here, return most current plural form | |
| 162 | + return 'nplurals=2; plural=n != 1;'; | |
| 163 | +} | |
| 164 | + | |
| 165 | + | |
| 166 | +/** | |
| 167 | + * Get language ID from language ID or data | |
| 168 | + * | |
| 169 | + * @param mixed $language | |
| 170 | + * @return string Language ID | |
| 171 | + */ | |
| 172 | +function wplng_get_language_id( $language ) { | |
| 173 | + | |
| 174 | + // If $language is a language array | |
| 175 | + if ( ! empty( $language['id'] ) | |
| 176 | + && wplng_is_valid_language_id( $language['id'] ) | |
| 177 | + ) { | |
| 178 | + return $language['id']; | |
| 179 | + } | |
| 180 | + | |
| 181 | + // If $language is a language ID, get language array | |
| 182 | + $language = wplng_get_language_by_id( $language ); | |
| 183 | + | |
| 184 | + // If language ID is invalid, return a default value | |
| 185 | + if ( false === $language || empty( $language['id'] ) ) { | |
| 186 | + return 'en'; | |
| 187 | + } | |
| 188 | + | |
| 189 | + return $language['id']; | |
| 190 | +} | |
| 191 | + | |
| 192 | + | |
| 193 | +/** | |
| 194 | + * Get language name translated from language ID or data | |
| 195 | + * | |
| 196 | + * @param mixed $language Language ID or data | |
| 197 | + * @param string $language_target Language ID | |
| 198 | + * @return string Language name translated | |
| 199 | + */ | |
| 200 | +function wplng_get_language_name_translated( $language, $language_target = '' ) { | |
| 201 | + | |
| 202 | + // Get target language ID | |
| 203 | + if ( empty( $language_target ) ) { | |
| 204 | + $language_target = wplng_get_language_current_id(); | |
| 205 | + } | |
| 206 | + $language_target_id = wplng_get_language_id( $language_target ); | |
| 207 | + | |
| 208 | + // Get language array | |
| 209 | + if ( empty( $language['id'] ) ) { | |
| 210 | + $language = wplng_get_language_by_id( $language ); | |
| 211 | + } | |
| 212 | + | |
| 213 | + $translated_language_name = ''; | |
| 214 | + | |
| 215 | + if ( ! empty( $language['name_translation'][ $language_target_id ] ) ) { | |
| 216 | + $translated_language_name = esc_html( $language['name_translation'][ $language_target_id ] ); | |
| 217 | + } else { | |
| 218 | + $translated_language_name = wplng_get_language_name( $language ); | |
| 219 | + } | |
| 220 | + | |
| 221 | + return esc_html( $translated_language_name ); | |
| 222 | +} | |
| 223 | + | |
| 224 | + | |
| 225 | +function wplng_get_language_name_untranslated( $language ) { | |
| 226 | + return wplng_get_language_name_translated( $language, $language ); | |
| 227 | +} | |
| 228 | + | |
| 229 | + | |
| 230 | +/** | |
| 231 | + * Return a JSON with languages data simplified | |
| 232 | + * | |
| 233 | + * @return array Languages data simplified | |
| 234 | + */ | |
| 235 | +function wplng_get_languages_target_simplified() { | |
| 236 | + | |
| 237 | + global $wplng_languages_target_simplified; | |
| 238 | + | |
| 239 | + if ( null !== $wplng_languages_target_simplified ) { | |
| 240 | + return $wplng_languages_target_simplified; | |
| 241 | + } | |
| 242 | + | |
| 243 | + $json = get_option( 'wplng_target_languages' ); | |
| 244 | + | |
| 245 | + if ( empty( $json ) || ! is_string( $json ) ) { | |
| 246 | + $json = '[]'; | |
| 247 | + } | |
| 248 | + | |
| 249 | + $languages_target = json_decode( $json, true ); | |
| 250 | + $all_languages = wplng_get_languages_allow(); | |
| 251 | + $ordered = array(); | |
| 252 | + | |
| 253 | + // Process languages in the order they appear in the settings (preserve order) | |
| 254 | + foreach ( $languages_target as $language_target ) { | |
| 255 | + if ( empty( $language_target['id'] ) ) { | |
| 256 | + continue; | |
| 257 | + } | |
| 258 | + | |
| 259 | + // Skip private languages for non-authorized users | |
| 260 | + if ( ! empty( $language_target['private'] ) | |
| 261 | + && ! current_user_can( 'edit_posts' ) | |
| 262 | + ) { | |
| 263 | + continue; | |
| 264 | + } | |
| 265 | + | |
| 266 | + // Find the language in allowed languages to validate it exists | |
| 267 | + $language_found = false; | |
| 268 | + foreach ( $all_languages as $language ) { | |
| 269 | + if ( ! empty( $language['id'] ) && $language['id'] === $language_target['id'] ) { | |
| 270 | + $language_found = true; | |
| 271 | + break; | |
| 272 | + } | |
| 273 | + } | |
| 274 | + | |
| 275 | + // Only add if the language is found in allowed languages | |
| 276 | + if ( $language_found ) { | |
| 277 | + $ordered[] = $language_target; | |
| 278 | + } | |
| 279 | + } | |
| 280 | + | |
| 281 | + $wplng_languages_target_simplified = $ordered; | |
| 282 | + | |
| 283 | + return $ordered; | |
| 284 | +} | |
| 285 | + | |
| 286 | + | |
| 287 | +/** | |
| 288 | + * Get target languages data | |
| 289 | + * | |
| 290 | + * @return array | |
| 291 | + */ | |
| 292 | +function wplng_get_languages_target() { | |
| 293 | + | |
| 294 | + global $wplng_languages_target; | |
| 295 | + | |
| 296 | + if ( null !== $wplng_languages_target ) { | |
| 297 | + return $wplng_languages_target; | |
| 298 | + } | |
| 299 | + | |
| 300 | + $languages_target = wplng_get_languages_target_simplified(); | |
| 301 | + $languages_target_clear = array(); | |
| 302 | + | |
| 303 | + // Check each $languages_target | |
| 304 | + foreach ( $languages_target as $key => $language_target ) { | |
| 305 | + // Check languages target format | |
| 306 | + if ( ! empty( $language_target['id'] ) && isset( $language_target['flag'] ) ) { | |
| 307 | + // Check if language is valid | |
| 308 | + if ( wplng_is_valid_language_id( $language_target['id'] ) ) { | |
| 309 | + $language = wplng_get_language_by_id( $language_target['id'] ); | |
| 310 | + if ( false !== $language ) { | |
| 311 | + $languages_target_clear[] = $language; | |
| 312 | + } | |
| 313 | + } | |
| 314 | + } | |
| 315 | + } | |
| 316 | + | |
| 317 | + $wplng_languages_target = $languages_target_clear; | |
| 318 | + | |
| 319 | + return $languages_target_clear; | |
| 320 | +} | |
| 321 | + | |
| 322 | + | |
| 323 | +/** | |
| 324 | + * Get target languages IDs | |
| 325 | + * | |
| 326 | + * @return array | |
| 327 | + */ | |
| 328 | +function wplng_get_languages_target_ids() { | |
| 329 | + | |
| 330 | + global $wplng_languages_target_ids; | |
| 331 | + | |
| 332 | + if ( null !== $wplng_languages_target_ids ) { | |
| 333 | + return $wplng_languages_target_ids; | |
| 334 | + } | |
| 335 | + | |
| 336 | + $languages_target = wplng_get_languages_target(); | |
| 337 | + $languages_target_ids = array(); | |
| 338 | + | |
| 339 | + foreach ( $languages_target as $language_target ) { | |
| 340 | + $languages_target_ids[] = $language_target['id']; | |
| 341 | + } | |
| 342 | + | |
| 343 | + $wplng_languages_target_ids = $languages_target_ids; | |
| 344 | + | |
| 345 | + return $languages_target_ids; | |
| 346 | +} | |
| 347 | + | |
| 348 | + | |
| 349 | +/** | |
| 350 | + * Get current language ID | |
| 351 | + * | |
| 352 | + * @return string | |
| 353 | + */ | |
| 354 | +function wplng_get_language_current_id() { | |
| 355 | + | |
| 356 | + global $wplng_language_current_id; | |
| 357 | + | |
| 358 | + if ( null !== $wplng_language_current_id ) { | |
| 359 | + return $wplng_language_current_id; | |
| 360 | + } | |
| 361 | + | |
| 362 | + global $wplng_request_uri; | |
| 363 | + $current_path = $wplng_request_uri; | |
| 364 | + $languages_target = wplng_get_languages_target_ids(); | |
| 365 | + | |
| 366 | + if ( empty( $current_path ) | |
| 367 | + || ! is_string( $current_path ) | |
| 368 | + ) { | |
| 369 | + return wplng_get_language_website_id(); | |
| 370 | + } | |
| 371 | + | |
| 372 | + foreach ( $languages_target as $language ) { | |
| 373 | + if ( substr( $current_path, 0, 4 ) === '/' . $language . '/' | |
| 374 | + || substr( $current_path, 0, 3 ) === $language . '/' | |
| 375 | + ) { | |
| 376 | + | |
| 377 | + $wplng_language_current_id = $language; | |
| 378 | + | |
| 379 | + return $language; | |
| 380 | + } | |
| 381 | + } | |
| 382 | + | |
| 383 | + $website_language_id = wplng_get_language_website_id(); | |
| 384 | + $wplng_language_current_id = $website_language_id; | |
| 385 | + | |
| 386 | + return $website_language_id; | |
| 387 | +} | |
| 388 | + | |
| 389 | + | |
| 390 | +/** | |
| 391 | + * Get languages data from languages IDs list | |
| 392 | + * | |
| 393 | + * @param array $language_ids | |
| 394 | + * @return array | |
| 395 | + */ | |
| 396 | +function wplng_get_languages_by_ids( $language_ids ) { | |
| 397 | + | |
| 398 | + $all_languages = wplng_get_languages_all(); | |
| 399 | + $languages = array(); | |
| 400 | + | |
| 401 | + foreach ( $language_ids as $language_id ) { | |
| 402 | + foreach ( $all_languages as $language ) { | |
| 403 | + if ( ! empty( $language['id'] ) && $language['id'] === $language_id ) { | |
| 404 | + $languages[] = $language; | |
| 405 | + break; | |
| 406 | + } | |
| 407 | + } | |
| 408 | + } | |
| 409 | + | |
| 410 | + return $languages; | |
| 411 | +} | |
| 412 | + | |
| 413 | + | |
| 414 | +/** | |
| 415 | + * Get language data from ID | |
| 416 | + * | |
| 417 | + * @param string $language_id | |
| 418 | + * @return array|false Language data array, or false if not found | |
| 419 | + */ | |
| 420 | +function wplng_get_language_by_id( $language_id ) { | |
| 421 | + | |
| 422 | + $all_languages = wplng_get_languages_all(); | |
| 423 | + | |
| 424 | + foreach ( $all_languages as $language ) { | |
| 425 | + if ( ! empty( $language['id'] ) && $language['id'] === $language_id ) { | |
| 426 | + return $language; | |
| 427 | + } | |
| 428 | + } | |
| 429 | + | |
| 430 | + // Avoid infinite recursion: if 'en' itself is not found, return false | |
| 431 | + if ( 'en' === $language_id ) { | |
| 432 | + return false; | |
| 433 | + } | |
| 434 | + | |
| 435 | + // Return English as fallback if the requested language ID does not exist | |
| 436 | + return wplng_get_language_by_id( 'en' ); | |
| 437 | +} | |
| 438 | + | |
| 439 | + | |
| 440 | +/** | |
| 441 | + * Check if a language ID is valid | |
| 442 | + * | |
| 443 | + * @param string $language_id | |
| 444 | + * @return bool | |
| 445 | + */ | |
| 446 | +function wplng_is_valid_language_id( $language_id ) { | |
| 447 | + | |
| 448 | + // If $language_id format is not valid, return default data | |
| 449 | + if ( empty( $language_id ) | |
| 450 | + || ! is_string( $language_id ) | |
| 451 | + || strlen( $language_id ) !== 2 | |
| 452 | + ) { | |
| 453 | + return false; | |
| 454 | + } | |
| 455 | + | |
| 456 | + return in_array( $language_id, wplng_data_languages_id(), true ); | |
| 457 | +} | |
| 458 | + | |
| 459 | + | |
| 460 | +/** | |
| 461 | + * Check if a list of languages ID are valid | |
| 462 | + * | |
| 463 | + * @param array $language_id_list | |
| 464 | + * @return bool Languages ID are valid | |
| 465 | + */ | |
| 466 | +function wplng_is_valid_language_ids( $language_id_list ) { | |
| 467 | + | |
| 468 | + if ( ! is_array( $language_id_list ) ) { | |
| 469 | + return false; | |
| 470 | + } | |
| 471 | + | |
| 472 | + $languages_data_id = wplng_data_languages_id(); | |
| 473 | + | |
| 474 | + foreach ( $language_id_list as $language_id ) { | |
| 475 | + | |
| 476 | + // If $language_id format is not valid, return default data | |
| 477 | + if ( empty( $language_id ) | |
| 478 | + || ! is_string( $language_id ) | |
| 479 | + || strlen( $language_id ) !== 2 | |
| 480 | + ) { | |
| 481 | + return false; | |
| 482 | + } | |
| 483 | + | |
| 484 | + // If language ID not exist | |
| 485 | + $is_valid_language = false; | |
| 486 | + foreach ( $languages_data_id as $language_data_id ) { | |
| 487 | + if ( $language_data_id === $language_id ) { | |
| 488 | + $is_valid_language = true; | |
| 489 | + break; | |
| 490 | + } | |
| 491 | + } | |
| 492 | + | |
| 493 | + if ( false === $is_valid_language ) { | |
| 494 | + return false; | |
| 495 | + } | |
| 496 | + } | |
| 497 | + | |
| 498 | + return true; | |
| 499 | +} | |
| 500 | + | |
| 501 | + | |
| 502 | +/** | |
| 503 | + * Get data of all languages | |
| 504 | + * | |
| 505 | + * @return array | |
| 506 | + */ | |
| 507 | +function wplng_get_languages_all() { | |
| 508 | + | |
| 509 | + global $wplng_languages_all; | |
| 510 | + | |
| 511 | + if ( null !== $wplng_languages_all ) { | |
| 512 | + return $wplng_languages_all; | |
| 513 | + } | |
| 514 | + | |
| 515 | + $languages = wplng_data_languages(); | |
| 516 | + $source_language = get_option( 'wplng_website_language' ); | |
| 517 | + $source_flag = get_option( 'wplng_website_flag' ); | |
| 518 | + $target_flags = get_option( 'wplng_target_languages' ); | |
| 519 | + | |
| 520 | + if ( empty( $target_flags ) || ! is_string( $target_flags ) ) { | |
| 521 | + $target_flags = '[]'; | |
| 522 | + } | |
| 523 | + | |
| 524 | + $target_flags = json_decode( $target_flags, true ); | |
| 525 | + | |
| 526 | + if ( empty( $source_language ) ) { | |
| 527 | + $source_language = 'en'; | |
| 528 | + } | |
| 529 | + | |
| 530 | + foreach ( $languages as $key => $language ) { | |
| 531 | + | |
| 532 | + $flags_style = wplng_get_switcher_flags_style() . '/'; | |
| 533 | + | |
| 534 | + if ( 'none/' === $flags_style ) { | |
| 535 | + $flags_style = 'rectangular/'; | |
| 536 | + } | |
| 537 | + | |
| 538 | + // Set custom website flag if defined | |
| 539 | + if ( ! empty( $source_language ) | |
| 540 | + && $language['id'] === $source_language | |
| 541 | + && ! empty( $source_flag ) | |
| 542 | + ) { | |
| 543 | + $languages[ $key ]['flag'] = $source_flag; | |
| 544 | + } else { | |
| 545 | + $languages[ $key ]['flag'] = plugins_url() . '/wplingua/assets/images/' . $flags_style . $language['flag'] . '.png'; | |
| 546 | + } | |
| 547 | + | |
| 548 | + // Set custom target flag if defined | |
| 549 | + foreach ( $target_flags as $target_key => $target_flag ) { | |
| 550 | + if ( ! empty( $target_flag['id'] ) && $target_flag['id'] === $language['id'] ) { | |
| 551 | + $languages[ $key ]['flag'] = $target_flag['flag']; | |
| 552 | + break; | |
| 553 | + } | |
| 554 | + } | |
| 555 | + | |
| 556 | + // Transform flags to URL | |
| 557 | + foreach ( $languages[ $key ]['flags'] as $key_flag => $flag ) { | |
| 558 | + $languages[ $key ]['flags'][ $key_flag ]['flag'] = plugins_url() . '/wplingua/assets/images/' . $flags_style . $flag['flag'] . '.png'; | |
| 559 | + } | |
| 560 | + | |
| 561 | + // Add default DIR as LTR if not specified or invalid | |
| 562 | + if ( empty( $language['dir'] ) | |
| 563 | + || 'rtl' !== $language['dir'] | |
| 564 | + ) { | |
| 565 | + $languages[ $key ]['dir'] = 'ltr'; | |
| 566 | + } | |
| 567 | + } | |
| 568 | + | |
| 569 | + $wplng_languages_all = $languages; | |
| 570 | + | |
| 571 | + return $languages; | |
| 572 | +} | |
| 573 | + | |
| 574 | + | |
| 575 | +/** | |
| 576 | + * Get data of all languages allowed | |
| 577 | + * | |
| 578 | + * @return array | |
| 579 | + */ | |
| 580 | +function wplng_get_languages_allow() { | |
| 581 | + | |
| 582 | + global $wplng_languages_allow; | |
| 583 | + | |
| 584 | + if ( null !== $wplng_languages_allow ) { | |
| 585 | + return $wplng_languages_allow; | |
| 586 | + } | |
| 587 | + | |
| 588 | + $languages_alow = wplng_get_api_languages_target(); | |
| 589 | + $languages = array(); | |
| 590 | + | |
| 591 | + if ( 'all' === $languages_alow ) { | |
| 592 | + $wplng_languages_allow = wplng_get_languages_all(); | |
| 593 | + return $wplng_languages_allow; | |
| 594 | + } elseif ( empty( $languages_alow ) || ! is_array( $languages_alow ) ) { | |
| 595 | + $wplng_languages_allow = array(); | |
| 596 | + return $wplng_languages_allow; | |
| 597 | + } else { | |
| 598 | + foreach ( $languages_alow as $language_id_alow ) { | |
| 599 | + $languages[] = wplng_get_language_by_id( $language_id_alow ); | |
| 600 | + } | |
| 601 | + | |
| 602 | + $wplng_languages_allow = $languages; | |
| 603 | + } | |
| 604 | + | |
| 605 | + return $languages; | |
| 606 | +} | |
