| 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 |
return wplng_get_language_by_id( wplng_get_language_website_id() ); |
| 16 |
} |
| 17 |
|
| 18 |
|
| 19 |
/** |
| 20 |
* Get the website language ID |
| 21 |
* |
| 22 |
* @return string Language ID |
| 23 |
*/ |
| 24 |
function wplng_get_language_website_id() { |
| 25 |
|
| 26 |
$language_api = wplng_get_api_language_website(); |
| 27 |
|
| 28 |
if ( 'all' === $language_api ) { |
| 29 |
$language_id = get_option( 'wplng_website_language' ); |
| 30 |
} elseif ( false === $language_api ) { |
| 31 |
return 'en'; |
| 32 |
} else { |
| 33 |
$language_id = wplng_get_api_language_website(); |
| 34 |
} |
| 35 |
|
| 36 |
if ( ! wplng_is_valid_language_id( $language_id ) ) { |
| 37 |
return 'en'; |
| 38 |
} |
| 39 |
|
| 40 |
return $language_id; |
| 41 |
} |
| 42 |
|
| 43 |
|
| 44 |
/** |
| 45 |
* Get the URL of website language flag image |
| 46 |
* |
| 47 |
* @return string URL flag image |
| 48 |
*/ |
| 49 |
function wplng_get_language_website_flag() { |
| 50 |
|
| 51 |
$website_flag = get_option( 'wplng_website_flag' ); |
| 52 |
|
| 53 |
if ( empty( $website_flag ) ) { |
| 54 |
|
| 55 |
$website_flag = wplng_get_language_by_id( |
| 56 |
wplng_get_language_website_id() |
| 57 |
); |
| 58 |
|
| 59 |
if ( ! empty( $website_flag['flags'][0]['flag'] ) ) { |
| 60 |
$website_flag = $website_flag['flags'][0]['flag']; |
| 61 |
} else { |
| 62 |
$website_flag = ''; // Return empty string if no valid flag |
| 63 |
} |
| 64 |
} |
| 65 |
|
| 66 |
$website_flag = apply_filters( 'wplng_language_website_flag', $website_flag ); |
| 67 |
|
| 68 |
return esc_url( $website_flag ); |
| 69 |
} |
| 70 |
|
| 71 |
|
| 72 |
/** |
| 73 |
* Get language name from language ID or data |
| 74 |
* |
| 75 |
* @param mixed $language |
| 76 |
* @return string |
| 77 |
*/ |
| 78 |
function wplng_get_language_name( $language ) { |
| 79 |
|
| 80 |
// if $language is a language array, return name |
| 81 |
if ( ! empty( $language['name'] ) ) { |
| 82 |
return esc_html( $language['name'] ); |
| 83 |
} |
| 84 |
|
| 85 |
// $language is a language ID |
| 86 |
// convert language ID to language array |
| 87 |
$language = wplng_get_language_by_id( $language ); |
| 88 |
|
| 89 |
// If $language is not a valid, return empty string |
| 90 |
if ( false === $language ) { |
| 91 |
return ''; |
| 92 |
} |
| 93 |
|
| 94 |
// If name is valid, return the name |
| 95 |
if ( ! empty( $language['name'] ) ) { |
| 96 |
return esc_html( $language['name'] ); |
| 97 |
} |
| 98 |
|
| 99 |
// If no name returned here, return empty string |
| 100 |
return ''; |
| 101 |
} |
| 102 |
|
| 103 |
|
| 104 |
/** |
| 105 |
* Get language ID from language ID or data |
| 106 |
* |
| 107 |
* @param mixed $language |
| 108 |
* @return string Language ID |
| 109 |
*/ |
| 110 |
function wplng_get_language_id( $language ) { |
| 111 |
|
| 112 |
// If $language is a language array |
| 113 |
if ( ! empty( $language['id'] ) && wplng_is_valid_language_id( $language['id'] ) ) { |
| 114 |
return $language['id']; |
| 115 |
} |
| 116 |
|
| 117 |
// If $language is a language ID, get language array |
| 118 |
$language = wplng_get_language_by_id( $language ); |
| 119 |
|
| 120 |
// If language ID is invalid, return a default value |
| 121 |
if ( false === $language || empty( $language['id'] ) ) { |
| 122 |
return 'en'; |
| 123 |
} |
| 124 |
|
| 125 |
return $language['id']; |
| 126 |
} |
| 127 |
|
| 128 |
|
| 129 |
/** |
| 130 |
* Get language name translated from language ID or data |
| 131 |
* |
| 132 |
* @param mixed $language Language ID or data |
| 133 |
* @param string $language_target Language ID |
| 134 |
* @return string Language name translated |
| 135 |
*/ |
| 136 |
function wplng_get_language_name_translated( $language, $language_target = '' ) { |
| 137 |
|
| 138 |
// Get target language ID |
| 139 |
if ( empty( $language_target ) ) { |
| 140 |
$language_target = wplng_get_language_current_id(); |
| 141 |
} else { |
| 142 |
$language_target_id = wplng_get_language_id( $language_target ); |
| 143 |
} |
| 144 |
|
| 145 |
// Get language array |
| 146 |
if ( empty( $language['id'] ) ) { |
| 147 |
$language = wplng_get_language_by_id( $language ); |
| 148 |
} |
| 149 |
|
| 150 |
$translated_language_name = ''; |
| 151 |
|
| 152 |
if ( ! empty( $language['name_translation'][ $language_target_id ] ) ) { |
| 153 |
$translated_language_name = esc_html( $language['name_translation'][ $language_target_id ] ); |
| 154 |
} else { |
| 155 |
$translated_language_name = wplng_get_language_name( $language ); |
| 156 |
} |
| 157 |
|
| 158 |
return esc_html( $translated_language_name ); |
| 159 |
} |
| 160 |
|
| 161 |
|
| 162 |
function wplng_get_language_name_untranslated( $language ) { |
| 163 |
return wplng_get_language_name_translated( $language, $language ); |
| 164 |
} |
| 165 |
|
| 166 |
|
| 167 |
/** |
| 168 |
* Return a JSON with languages data simplified |
| 169 |
* |
| 170 |
* @return array Languages data simplified |
| 171 |
*/ |
| 172 |
function wplng_get_languages_target_simplified() { |
| 173 |
|
| 174 |
$json = get_option( 'wplng_target_languages' ); |
| 175 |
|
| 176 |
if ( empty( $json ) || ! is_string( $json ) ) { |
| 177 |
$json = '[]'; |
| 178 |
} |
| 179 |
|
| 180 |
$languages_target = json_decode( $json, true ); |
| 181 |
$all_languages = wplng_get_languages_allow(); |
| 182 |
$ordered = array(); |
| 183 |
|
| 184 |
foreach ( $all_languages as $language ) { |
| 185 |
foreach ( $languages_target as $language_target ) { |
| 186 |
if ( |
| 187 |
! empty( $language['id'] ) |
| 188 |
&& ! empty( $language_target['id'] ) |
| 189 |
&& $language['id'] === $language_target['id'] |
| 190 |
) { |
| 191 |
$ordered[] = $language_target; |
| 192 |
} |
| 193 |
} |
| 194 |
} |
| 195 |
|
| 196 |
return $ordered; |
| 197 |
} |
| 198 |
|
| 199 |
|
| 200 |
/** |
| 201 |
* Get target languages data |
| 202 |
* |
| 203 |
* @return array |
| 204 |
*/ |
| 205 |
function wplng_get_languages_target() { |
| 206 |
|
| 207 |
$languages_target = wplng_get_languages_target_simplified(); |
| 208 |
$languages_target_clear = array(); |
| 209 |
|
| 210 |
// Check each $languages_target |
| 211 |
foreach ( $languages_target as $key => $language_target ) { |
| 212 |
// Check languages target format |
| 213 |
if ( ! empty( $language_target['id'] ) && isset( $language_target['flag'] ) ) { |
| 214 |
// Check if language is valid |
| 215 |
if ( wplng_is_valid_language_id( $language_target['id'] ) ) { |
| 216 |
$language = wplng_get_language_by_id( $language_target['id'] ); |
| 217 |
if ( false !== $language ) { |
| 218 |
$languages_target_clear[] = $language; |
| 219 |
} |
| 220 |
} |
| 221 |
} |
| 222 |
} |
| 223 |
|
| 224 |
return $languages_target_clear; |
| 225 |
} |
| 226 |
|
| 227 |
|
| 228 |
/** |
| 229 |
* Get target languages IDs |
| 230 |
* |
| 231 |
* @return array |
| 232 |
*/ |
| 233 |
function wplng_get_languages_target_ids() { |
| 234 |
|
| 235 |
$languages_target = wplng_get_languages_target(); |
| 236 |
$languages_target_ids = array(); |
| 237 |
|
| 238 |
foreach ( $languages_target as $language_target ) { |
| 239 |
$languages_target_ids[] = $language_target['id']; |
| 240 |
} |
| 241 |
|
| 242 |
return $languages_target_ids; |
| 243 |
} |
| 244 |
|
| 245 |
|
| 246 |
/** |
| 247 |
* Get current language ID |
| 248 |
* |
| 249 |
* @return string |
| 250 |
*/ |
| 251 |
function wplng_get_language_current_id() { |
| 252 |
|
| 253 |
global $wplng_request_uri; |
| 254 |
$current_path = $wplng_request_uri; |
| 255 |
$languages_target = wplng_get_languages_target_ids(); |
| 256 |
|
| 257 |
if ( ! wplng_url_is_translatable() |
| 258 |
|| empty( $current_path ) |
| 259 |
|| ! is_string( $current_path ) |
| 260 |
) { |
| 261 |
return wplng_get_language_website_id(); |
| 262 |
} |
| 263 |
|
| 264 |
foreach ( $languages_target as $language ) { |
| 265 |
if ( substr( $current_path, 0, 4 ) === '/' . $language . '/' |
| 266 |
|| substr( $current_path, 0, 3 ) === $language . '/' |
| 267 |
) { |
| 268 |
return $language; |
| 269 |
break; |
| 270 |
} |
| 271 |
} |
| 272 |
|
| 273 |
return wplng_get_language_website_id(); |
| 274 |
} |
| 275 |
|
| 276 |
|
| 277 |
/** |
| 278 |
* Get languages data from languages IDs list |
| 279 |
* |
| 280 |
* @param array $language_ids |
| 281 |
* @return array |
| 282 |
*/ |
| 283 |
function wplng_get_languages_by_ids( $language_ids ) { |
| 284 |
|
| 285 |
$all_languages = wplng_get_languages_all(); |
| 286 |
$languages = array(); |
| 287 |
|
| 288 |
foreach ( $language_ids as $language_id ) { |
| 289 |
foreach ( $all_languages as $language ) { |
| 290 |
if ( ! empty( $language['id'] ) && $language['id'] === $language_id ) { |
| 291 |
$languages[] = $language; |
| 292 |
break; |
| 293 |
} |
| 294 |
} |
| 295 |
} |
| 296 |
|
| 297 |
return $languages; |
| 298 |
} |
| 299 |
|
| 300 |
|
| 301 |
/** |
| 302 |
* Get language data from ID |
| 303 |
* |
| 304 |
* @param string $language_id |
| 305 |
* @return array |
| 306 |
*/ |
| 307 |
function wplng_get_language_by_id( $language_id ) { |
| 308 |
|
| 309 |
$all_languages = wplng_get_languages_all(); |
| 310 |
|
| 311 |
foreach ( $all_languages as $language ) { |
| 312 |
if ( ! empty( $language['id'] ) && $language['id'] === $language_id ) { |
| 313 |
return $language; |
| 314 |
} |
| 315 |
} |
| 316 |
|
| 317 |
// Return a default value if $language_id not exist |
| 318 |
return wplng_get_language_by_id( 'en' ); |
| 319 |
} |
| 320 |
|
| 321 |
|
| 322 |
/** |
| 323 |
* Check if a language ID is valid |
| 324 |
* |
| 325 |
* @param string $language_id |
| 326 |
* @return bool |
| 327 |
*/ |
| 328 |
function wplng_is_valid_language_id( $language_id ) { |
| 329 |
|
| 330 |
// If $language_id format is not valid, return default data |
| 331 |
if ( empty( $language_id ) |
| 332 |
|| ! is_string( $language_id ) |
| 333 |
|| strlen( $language_id ) !== 2 |
| 334 |
) { |
| 335 |
return false; |
| 336 |
} |
| 337 |
|
| 338 |
// Check if $language_id is in languages data |
| 339 |
$languages_data = wplng_data_languages(); |
| 340 |
foreach ( $languages_data as $language_data ) { |
| 341 |
if ( $language_data['id'] === $language_id ) { |
| 342 |
return true; |
| 343 |
} |
| 344 |
} |
| 345 |
|
| 346 |
return false; |
| 347 |
} |
| 348 |
|
| 349 |
|
| 350 |
/** |
| 351 |
* Check if a list of language ID are valid |
| 352 |
* |
| 353 |
* @param array $language_id_list |
| 354 |
* @return bool |
| 355 |
*/ |
| 356 |
function wplng_is_valid_language_ids( $language_id_list ) { |
| 357 |
|
| 358 |
if ( ! is_array( $language_id_list ) ) { |
| 359 |
return false; |
| 360 |
} |
| 361 |
|
| 362 |
foreach ( $language_id_list as $language_id ) { |
| 363 |
if ( ! wplng_is_valid_language_id( $language_id ) ) { |
| 364 |
return false; |
| 365 |
} |
| 366 |
} |
| 367 |
|
| 368 |
return true; |
| 369 |
} |
| 370 |
|
| 371 |
|
| 372 |
/** |
| 373 |
* Get data of all languages |
| 374 |
* |
| 375 |
* @return array |
| 376 |
*/ |
| 377 |
function wplng_get_languages_all() { |
| 378 |
|
| 379 |
$languages = wplng_data_languages(); |
| 380 |
$source_language = get_option( 'wplng_website_language' ); |
| 381 |
$source_flag = get_option( 'wplng_website_flag' ); |
| 382 |
$target_flags = get_option( 'wplng_target_languages' ); |
| 383 |
|
| 384 |
if ( empty( $target_flags ) || ! is_string( $target_flags ) ) { |
| 385 |
$target_flags = '[]'; |
| 386 |
} |
| 387 |
|
| 388 |
$target_flags = json_decode( $target_flags, true ); |
| 389 |
|
| 390 |
if ( empty( $source_language ) ) { |
| 391 |
$source_language = 'en'; |
| 392 |
} |
| 393 |
|
| 394 |
foreach ( $languages as $key => $language ) { |
| 395 |
|
| 396 |
$flags_style = wplng_get_switcher_flags_style() . '/'; |
| 397 |
|
| 398 |
if ( 'none/' === $flags_style ) { |
| 399 |
$flags_style = 'rectangular/'; |
| 400 |
} |
| 401 |
|
| 402 |
// Set custom website flag if defined |
| 403 |
if ( ! empty( $source_language ) |
| 404 |
&& $language['id'] == $source_language |
| 405 |
&& ! empty( $source_flag ) |
| 406 |
) { |
| 407 |
$languages[ $key ]['flag'] = $source_flag; |
| 408 |
} else { |
| 409 |
$languages[ $key ]['flag'] = plugins_url() . '/wplingua/assets/images/' . $flags_style . $language['flag'] . '.png'; |
| 410 |
} |
| 411 |
|
| 412 |
// Set custom target flag if defined |
| 413 |
foreach ( $target_flags as $target_key => $target_flag ) { |
| 414 |
if ( ! empty( $target_flag['id'] ) && $target_flag['id'] == $language['id'] ) { |
| 415 |
$languages[ $key ]['flag'] = $target_flag['flag']; |
| 416 |
break; |
| 417 |
} |
| 418 |
} |
| 419 |
|
| 420 |
// Transform flags to URL |
| 421 |
foreach ( $languages[ $key ]['flags'] as $key_flag => $flag ) { |
| 422 |
$languages[ $key ]['flags'][ $key_flag ]['flag'] = plugins_url() . '/wplingua/assets/images/' . $flags_style . $flag['flag'] . '.png'; |
| 423 |
} |
| 424 |
|
| 425 |
// Add default DIR as LTR if not specified or invalid |
| 426 |
if ( empty( $language['dir'] ) |
| 427 |
|| 'rtl' !== $language['dir'] |
| 428 |
) { |
| 429 |
$languages[ $key ]['dir'] = 'ltr'; |
| 430 |
} |
| 431 |
} |
| 432 |
|
| 433 |
return $languages; |
| 434 |
} |
| 435 |
|
| 436 |
|
| 437 |
/** |
| 438 |
* Get data of all languages allowed |
| 439 |
* |
| 440 |
* @return array |
| 441 |
*/ |
| 442 |
function wplng_get_languages_allow() { |
| 443 |
|
| 444 |
$languages_alow = wplng_get_api_languages_target(); |
| 445 |
$languages = array(); |
| 446 |
|
| 447 |
if ( 'all' === $languages_alow ) { |
| 448 |
return wplng_get_languages_all(); |
| 449 |
} elseif ( empty( $languages_alow ) || ! is_array( $languages_alow ) ) { |
| 450 |
return array(); |
| 451 |
} |
| 452 |
|
| 453 |
foreach ( $languages_alow as $language_id_alow ) { |
| 454 |
$languages[] = wplng_get_language_by_id( $language_id_alow ); |
| 455 |
} |
| 456 |
|
| 457 |
return $languages; |
| 458 |
} |
| 459 |
|
