| 1 |
<?php |
| 2 |
|
| 3 |
declare(strict_types=1); |
| 4 |
|
| 5 |
namespace Yatra\Core\Routing; |
| 6 |
|
| 7 |
use Yatra\Services\SettingsService; |
| 8 |
|
| 9 |
/** |
| 10 |
* Enforces permalink mode: plain sites must not resolve path-based (pretty) plugin routes; |
| 11 |
* pretty sites redirect plain query-string routing to canonical pretty URLs. |
| 12 |
*/ |
| 13 |
final class PermalinkCanonical |
| 14 |
{ |
| 15 |
public static function enforce(): void |
| 16 |
{ |
| 17 |
if (!apply_filters('yatra_enforce_permalink_canonical', true)) { |
| 18 |
return; |
| 19 |
} |
| 20 |
|
| 21 |
if (is_admin() || wp_doing_ajax() || wp_doing_cron() || (defined('REST_REQUEST') && REST_REQUEST)) { |
| 22 |
return; |
| 23 |
} |
| 24 |
|
| 25 |
$method = $_SERVER['REQUEST_METHOD'] ?? 'GET'; |
| 26 |
if ($method !== 'GET' && $method !== 'HEAD') { |
| 27 |
return; |
| 28 |
} |
| 29 |
|
| 30 |
$plain_wp = self::isPlainWordPressPermalink(); |
| 31 |
|
| 32 |
$path = UrlParser::getCleanRequestPath(); |
| 33 |
|
| 34 |
if ($plain_wp) { |
| 35 |
if ($path !== '' && PrettyRouteMatcher::match($path) !== null) { |
| 36 |
global $wp_query; |
| 37 |
$wp_query->set_404(); |
| 38 |
status_header(404); |
| 39 |
nocache_headers(); |
| 40 |
} |
| 41 |
|
| 42 |
return; |
| 43 |
} |
| 44 |
|
| 45 |
if (!self::requestHasPlainYatraRoutingQuery()) { |
| 46 |
return; |
| 47 |
} |
| 48 |
|
| 49 |
$current = self::currentRequestUrl(); |
| 50 |
$target = self::buildPrettyCanonicalUrl(); |
| 51 |
$target = apply_filters('yatra_permalink_canonical_redirect_target', $target, $current); |
| 52 |
|
| 53 |
if ($target === null || $target === '') { |
| 54 |
return; |
| 55 |
} |
| 56 |
|
| 57 |
$target = self::mergePreservedMarketingArgs($current, $target); |
| 58 |
|
| 59 |
$stripped = self::stripPlainYatraArgsFromUrl($current); |
| 60 |
if (self::urlsAreCanonicallyEqual($stripped, $target)) { |
| 61 |
return; |
| 62 |
} |
| 63 |
|
| 64 |
wp_safe_redirect($target, 301); |
| 65 |
exit; |
| 66 |
} |
| 67 |
|
| 68 |
public static function isPlainWordPressPermalink(): bool |
| 69 |
{ |
| 70 |
return (string) get_option('permalink_structure', '') === ''; |
| 71 |
} |
| 72 |
|
| 73 |
/** |
| 74 |
* True when the request path is the trip archive or its paged variant (e.g. /trip/, /trip/page/2/). |
| 75 |
* Query params {@see destination_base} / {@see activity_base} are listing filters here, not plain taxonomy routing. |
| 76 |
*/ |
| 77 |
private static function isTripArchivePath(): bool |
| 78 |
{ |
| 79 |
$tripSeg = preg_replace('/[^a-z0-9_-]/i', '', SettingsService::getTripBase()) ?: 'trip'; |
| 80 |
if ($tripSeg === '') { |
| 81 |
return false; |
| 82 |
} |
| 83 |
$cleanPath = trim(UrlParser::getCleanRequestPath(), '/'); |
| 84 |
if ($cleanPath === $tripSeg) { |
| 85 |
return true; |
| 86 |
} |
| 87 |
|
| 88 |
return (bool) preg_match('/^' . preg_quote($tripSeg, '/') . '\/page\/\d+$/', $cleanPath); |
| 89 |
} |
| 90 |
|
| 91 |
/** |
| 92 |
* True when the request carries plain-style Yatra routing parameters (query string). |
| 93 |
*/ |
| 94 |
public static function requestHasPlainYatraRoutingQuery(): bool |
| 95 |
{ |
| 96 |
foreach (['yatra_page', 'yatra_trip', 'yatra_trip_slug', 'yatra_destination_slug', 'yatra_activity_slug', 'yatra_category_slug', |
| 97 |
'yatra_booking_confirmation', 'yatra_remaining_checkout', 'yatra_verify_email'] as $key) { |
| 98 |
if (!isset($_GET[$key])) { |
| 99 |
continue; |
| 100 |
} |
| 101 |
$v = wp_unslash($_GET[$key]); |
| 102 |
if (is_string($v) && trim($v) !== '') { |
| 103 |
return true; |
| 104 |
} |
| 105 |
} |
| 106 |
|
| 107 |
$tripSlugKey = preg_replace('/[^a-z0-9_-]/i', '', SettingsService::getTripBase()) ?: 'trip'; |
| 108 |
if (isset($_GET[$tripSlugKey]) && is_string($_GET[$tripSlugKey]) && trim(wp_unslash($_GET[$tripSlugKey])) !== '') { |
| 109 |
return true; |
| 110 |
} |
| 111 |
|
| 112 |
foreach ( |
| 113 |
[ |
| 114 |
SettingsService::getDestinationBase(), |
| 115 |
SettingsService::getActivityBase(), |
| 116 |
SettingsService::getTripCategoryBase(), |
| 117 |
] as $base |
| 118 |
) { |
| 119 |
$bk = preg_replace('/[^a-z0-9_-]/i', '', $base) ?: ''; |
| 120 |
if ($bk === '' || $bk === $tripSlugKey) { |
| 121 |
continue; |
| 122 |
} |
| 123 |
if (isset($_GET[$bk]) && is_string($_GET[$bk]) && trim(wp_unslash($_GET[$bk])) !== '') { |
| 124 |
if (self::isTripArchivePath()) { |
| 125 |
continue; |
| 126 |
} |
| 127 |
return true; |
| 128 |
} |
| 129 |
} |
| 130 |
|
| 131 |
if (!empty($_GET['reference']) && is_string($_GET['reference']) && trim(wp_unslash($_GET['reference'])) !== '') { |
| 132 |
return true; |
| 133 |
} |
| 134 |
|
| 135 |
$booking_base = SettingsService::getBookingBase(); |
| 136 |
if (!empty($_GET['trip']) && is_string($_GET['trip']) && trim(wp_unslash($_GET['trip'])) !== '') { |
| 137 |
$yp = isset($_GET['yatra_page']) ? (string) wp_unslash($_GET['yatra_page']) : ''; |
| 138 |
$yp = preg_replace('/[^a-z0-9_-]/i', '', $yp) ?? ''; |
| 139 |
if ($yp === $booking_base) { |
| 140 |
return true; |
| 141 |
} |
| 142 |
} |
| 143 |
|
| 144 |
if (isset($_GET['paged']) && (int) wp_unslash($_GET['paged']) > 1) { |
| 145 |
return isset($_GET['yatra_page']) && is_string($_GET['yatra_page']) && trim(wp_unslash($_GET['yatra_page'])) !== ''; |
| 146 |
} |
| 147 |
|
| 148 |
if (isset($_GET['page']) && (int) wp_unslash($_GET['page']) > 1) { |
| 149 |
return isset($_GET['yatra_page']) && is_string($_GET['yatra_page']) && trim(wp_unslash($_GET['yatra_page'])) !== ''; |
| 150 |
} |
| 151 |
|
| 152 |
return false; |
| 153 |
} |
| 154 |
|
| 155 |
/** |
| 156 |
* Build the canonical pretty URL for the current plain query request, or null if unknown. |
| 157 |
*/ |
| 158 |
public static function buildPrettyCanonicalUrl(): ?string |
| 159 |
{ |
| 160 |
$ref = isset($_GET['reference']) ? sanitize_text_field(wp_unslash((string) $_GET['reference'])) : ''; |
| 161 |
$conf = isset($_GET['yatra_booking_confirmation']) ? sanitize_text_field(wp_unslash((string) $_GET['yatra_booking_confirmation'])) : ''; |
| 162 |
$bookingRef = $conf !== '' ? $conf : $ref; |
| 163 |
if ($bookingRef !== '') { |
| 164 |
if (function_exists('yatra_get_booking_confirmation_url')) { |
| 165 |
return yatra_get_booking_confirmation_url($bookingRef); |
| 166 |
} |
| 167 |
|
| 168 |
return null; |
| 169 |
} |
| 170 |
|
| 171 |
$rem = isset($_GET['yatra_remaining_checkout']) ? (string) wp_unslash($_GET['yatra_remaining_checkout']) : ''; |
| 172 |
if ($rem !== '') { |
| 173 |
$t = preg_replace('/[^a-zA-Z0-9_-]/', '', $rem) ?? ''; |
| 174 |
if ($t !== '') { |
| 175 |
$pb = SettingsService::getPermalinkBases(); |
| 176 |
|
| 177 |
return trailingslashit(home_url('/' . $pb['remaining_checkout_prefix'] . '/' . $t . '/')); |
| 178 |
} |
| 179 |
} |
| 180 |
|
| 181 |
$verify = isset($_GET['yatra_verify_email']) ? (string) wp_unslash($_GET['yatra_verify_email']) : ''; |
| 182 |
if ($verify !== '') { |
| 183 |
$t = preg_replace('/[^a-zA-Z0-9_-]/', '', $verify) ?? ''; |
| 184 |
if ($t !== '') { |
| 185 |
$pb = SettingsService::getPermalinkBases(); |
| 186 |
|
| 187 |
return trailingslashit(home_url('/' . $pb['email_verification_prefix'] . '/' . $t . '/')); |
| 188 |
} |
| 189 |
} |
| 190 |
|
| 191 |
$trip_base = SettingsService::getTripBase(); |
| 192 |
$booking_base = SettingsService::getBookingBase(); |
| 193 |
$account_base = SettingsService::getAccountBase(); |
| 194 |
$dest_base = SettingsService::getDestinationBase(); |
| 195 |
$act_base = SettingsService::getActivityBase(); |
| 196 |
$cat_base = SettingsService::getTripCategoryBase(); |
| 197 |
|
| 198 |
$rawPage = isset($_GET['yatra_page']) ? trim(wp_unslash((string) $_GET['yatra_page'])) : ''; |
| 199 |
$page = $rawPage !== '' ? (preg_replace('/[^a-z0-9_-]/i', '', $rawPage) ?? '') : ''; |
| 200 |
|
| 201 |
$tripSlugKey = preg_replace('/[^a-z0-9_-]/i', '', $trip_base) ?: 'trip'; |
| 202 |
$tripSlug = ''; |
| 203 |
if (isset($_GET[$tripSlugKey])) { |
| 204 |
$tripSlug = \Yatra\Helpers\SlugHelper::generate(wp_unslash((string) $_GET[$tripSlugKey])); |
| 205 |
} elseif (isset($_GET['yatra_trip'])) { |
| 206 |
$tripSlug = \Yatra\Helpers\SlugHelper::generate(wp_unslash((string) $_GET['yatra_trip'])); |
| 207 |
} elseif (isset($_GET['yatra_trip_slug'])) { |
| 208 |
$tripSlug = \Yatra\Helpers\SlugHelper::generate(wp_unslash((string) $_GET['yatra_trip_slug'])); |
| 209 |
} |
| 210 |
|
| 211 |
if ($page === '' && $tripSlug !== '') { |
| 212 |
return trailingslashit(home_url('/' . $trip_base . '/' . $tripSlug . '/')); |
| 213 |
} |
| 214 |
|
| 215 |
if ($page === '') { |
| 216 |
if (self::isTripArchivePath()) { |
| 217 |
return null; |
| 218 |
} |
| 219 |
foreach ( |
| 220 |
[ |
| 221 |
[$dest_base, 'yatra_destination_slug'], |
| 222 |
[$act_base, 'yatra_activity_slug'], |
| 223 |
[$cat_base, 'yatra_category_slug'], |
| 224 |
] as [$tbase, $legacySlugKey] |
| 225 |
) { |
| 226 |
$bk = preg_replace('/[^a-z0-9_-]/i', '', $tbase) ?: ''; |
| 227 |
if ($bk === '' || $bk === $tripSlugKey) { |
| 228 |
continue; |
| 229 |
} |
| 230 |
$s = ''; |
| 231 |
if (isset($_GET[$bk])) { |
| 232 |
$s = \Yatra\Helpers\SlugHelper::generate(wp_unslash((string) $_GET[$bk])); |
| 233 |
} |
| 234 |
if ($s === '' && isset($_GET[$legacySlugKey])) { |
| 235 |
$s = \Yatra\Helpers\SlugHelper::generate(wp_unslash((string) $_GET[$legacySlugKey])); |
| 236 |
} |
| 237 |
if ($s !== '') { |
| 238 |
return trailingslashit(home_url('/' . $tbase . '/' . $s . '/')); |
| 239 |
} |
| 240 |
} |
| 241 |
|
| 242 |
return null; |
| 243 |
} |
| 244 |
|
| 245 |
$paged = self::plainPagedFromRequest(); |
| 246 |
|
| 247 |
if ($page === $account_base) { |
| 248 |
$tab = isset($_GET['tab']) ? sanitize_key((string) wp_unslash($_GET['tab'])) : ''; |
| 249 |
$accountPage = self::accountQueryTabToPage($tab); |
| 250 |
|
| 251 |
return self::accountPrettyUrl($account_base, $accountPage); |
| 252 |
} |
| 253 |
|
| 254 |
if ($page === $trip_base) { |
| 255 |
if ($tripSlug !== '') { |
| 256 |
return trailingslashit(home_url('/' . $trip_base . '/' . $tripSlug . '/')); |
| 257 |
} |
| 258 |
if ($paged > 1) { |
| 259 |
return trailingslashit(home_url('/' . $trip_base . '/page/' . $paged . '/')); |
| 260 |
} |
| 261 |
|
| 262 |
return function_exists('yatra_get_trip_listing_url') ? yatra_get_trip_listing_url() : trailingslashit(home_url('/' . $trip_base . '/')); |
| 263 |
} |
| 264 |
|
| 265 |
if ($page === $booking_base && !SettingsService::useCustomBookingPage()) { |
| 266 |
$tripParam = isset($_GET['trip']) ? \Yatra\Helpers\SlugHelper::generate(wp_unslash((string) $_GET['trip'])) : ''; |
| 267 |
if ($tripParam !== '') { |
| 268 |
return function_exists('yatra_get_booking_url') ? yatra_get_booking_url($tripParam) : trailingslashit(home_url('/' . $booking_base . '/' . $tripParam . '/')); |
| 269 |
} |
| 270 |
|
| 271 |
return function_exists('yatra_get_checkout_url') ? yatra_get_checkout_url() : trailingslashit(home_url('/' . $booking_base . '/')); |
| 272 |
} |
| 273 |
|
| 274 |
if ($page === $booking_base && SettingsService::useCustomBookingPage()) { |
| 275 |
$page_id = SettingsService::getBookingPageId(); |
| 276 |
if ($page_id > 0) { |
| 277 |
$url = get_permalink((int) $page_id); |
| 278 |
if ($url) { |
| 279 |
$tripParam = isset($_GET['trip']) ? \Yatra\Helpers\SlugHelper::generate(wp_unslash((string) $_GET['trip'])) : ''; |
| 280 |
if ($tripParam !== '') { |
| 281 |
return add_query_arg('trip', $tripParam, $url); |
| 282 |
} |
| 283 |
|
| 284 |
return $url; |
| 285 |
} |
| 286 |
} |
| 287 |
|
| 288 |
return null; |
| 289 |
} |
| 290 |
|
| 291 |
foreach ( |
| 292 |
[ |
| 293 |
[$dest_base, 'yatra_destination_slug'], |
| 294 |
[$act_base, 'yatra_activity_slug'], |
| 295 |
[$cat_base, 'yatra_category_slug'], |
| 296 |
] as [$base, $legacySlugKey] |
| 297 |
) { |
| 298 |
if ($page !== $base) { |
| 299 |
continue; |
| 300 |
} |
| 301 |
$bk = preg_replace('/[^a-z0-9_-]/i', '', $base) ?: ''; |
| 302 |
$slug = ''; |
| 303 |
if ($bk !== '' && isset($_GET[$bk])) { |
| 304 |
$slug = \Yatra\Helpers\SlugHelper::generate(wp_unslash((string) $_GET[$bk])); |
| 305 |
} |
| 306 |
if ($slug === '' && isset($_GET[$legacySlugKey])) { |
| 307 |
$slug = \Yatra\Helpers\SlugHelper::generate(wp_unslash((string) $_GET[$legacySlugKey])); |
| 308 |
} |
| 309 |
$url = trailingslashit(home_url('/' . $base . '/')); |
| 310 |
if ($slug !== '') { |
| 311 |
$url = trailingslashit(home_url('/' . $base . '/' . $slug . '/')); |
| 312 |
if ($paged > 1) { |
| 313 |
$url = trailingslashit(home_url('/' . $base . '/' . $slug . '/page/' . $paged . '/')); |
| 314 |
} |
| 315 |
} elseif ($paged > 1) { |
| 316 |
$url = add_query_arg('paged', (string) $paged, $url); |
| 317 |
} |
| 318 |
|
| 319 |
return $url; |
| 320 |
} |
| 321 |
|
| 322 |
return null; |
| 323 |
} |
| 324 |
|
| 325 |
private static function plainPagedFromRequest(): int |
| 326 |
{ |
| 327 |
$p = get_query_var('paged'); |
| 328 |
if ($p !== '' && $p !== null) { |
| 329 |
return max(1, (int) $p); |
| 330 |
} |
| 331 |
if (isset($_GET['paged'])) { |
| 332 |
return max(1, (int) wp_unslash($_GET['paged'])); |
| 333 |
} |
| 334 |
if (isset($_GET['page'])) { |
| 335 |
return max(1, (int) wp_unslash($_GET['page'])); |
| 336 |
} |
| 337 |
|
| 338 |
return 1; |
| 339 |
} |
| 340 |
|
| 341 |
private static function accountQueryTabToPage(string $tab): string |
| 342 |
{ |
| 343 |
$allowed = ['dashboard', 'bookings', 'payments', 'documents', 'profile', 'saved-trips']; |
| 344 |
if ($tab === '' || !in_array($tab, $allowed, true)) { |
| 345 |
return 'dashboard'; |
| 346 |
} |
| 347 |
|
| 348 |
return $tab; |
| 349 |
} |
| 350 |
|
| 351 |
private static function accountPrettyUrl(string $account_base, string $page): string |
| 352 |
{ |
| 353 |
$segmentMap = [ |
| 354 |
'dashboard' => '', |
| 355 |
'profile' => 'profile', |
| 356 |
'bookings' => 'bookings', |
| 357 |
'payments' => 'payments', |
| 358 |
'documents' => 'documents', |
| 359 |
'saved-trips' => 'saved-trips', |
| 360 |
]; |
| 361 |
$seg = $segmentMap[$page] ?? ''; |
| 362 |
|
| 363 |
if ($seg === '') { |
| 364 |
return trailingslashit(home_url('/' . $account_base . '/')); |
| 365 |
} |
| 366 |
|
| 367 |
return trailingslashit(home_url('/' . $account_base . '/' . $seg . '/')); |
| 368 |
} |
| 369 |
|
| 370 |
private static function currentRequestUrl(): string |
| 371 |
{ |
| 372 |
$scheme = is_ssl() ? 'https://' : 'http://'; |
| 373 |
$host = isset($_SERVER['HTTP_HOST']) ? (string) $_SERVER['HTTP_HOST'] : ''; |
| 374 |
$uri = isset($_SERVER['REQUEST_URI']) ? (string) $_SERVER['REQUEST_URI'] : ''; |
| 375 |
|
| 376 |
return esc_url_raw($scheme . $host . $uri); |
| 377 |
} |
| 378 |
|
| 379 |
private static function urlsAreCanonicallyEqual(string $current, string $target): bool |
| 380 |
{ |
| 381 |
$a = wp_parse_url($current); |
| 382 |
$b = wp_parse_url($target); |
| 383 |
if ($a === false || $b === false) { |
| 384 |
return false; |
| 385 |
} |
| 386 |
|
| 387 |
$pathA = isset($a['path']) ? untrailingslashit($a['path']) : ''; |
| 388 |
$pathB = isset($b['path']) ? untrailingslashit($b['path']) : ''; |
| 389 |
if ($pathA !== $pathB) { |
| 390 |
return false; |
| 391 |
} |
| 392 |
|
| 393 |
parse_str($a['query'] ?? '', $qa); |
| 394 |
parse_str($b['query'] ?? '', $qb); |
| 395 |
|
| 396 |
foreach (self::plainQueryKeysToStrip() as $k) { |
| 397 |
unset($qa[$k], $qb[$k]); |
| 398 |
} |
| 399 |
|
| 400 |
return $qa == $qb; |
| 401 |
} |
| 402 |
|
| 403 |
/** |
| 404 |
* @return list<string> |
| 405 |
*/ |
| 406 |
private static function plainQueryKeysToStrip(): array |
| 407 |
{ |
| 408 |
$tripKey = preg_replace('/[^a-z0-9_-]/i', '', SettingsService::getTripBase()) ?: 'trip'; |
| 409 |
$destKey = preg_replace('/[^a-z0-9_-]/i', '', SettingsService::getDestinationBase()) ?: 'destination'; |
| 410 |
$actKey = preg_replace('/[^a-z0-9_-]/i', '', SettingsService::getActivityBase()) ?: 'activity'; |
| 411 |
$catKey = preg_replace('/[^a-z0-9_-]/i', '', SettingsService::getTripCategoryBase()) ?: 'trip-category'; |
| 412 |
|
| 413 |
return array_values(array_unique([ |
| 414 |
'yatra_page', |
| 415 |
'yatra_trip', |
| 416 |
'yatra_trip_slug', |
| 417 |
'yatra_destination_slug', |
| 418 |
'yatra_activity_slug', |
| 419 |
'yatra_category_slug', |
| 420 |
'yatra_booking_confirmation', |
| 421 |
'yatra_remaining_checkout', |
| 422 |
'yatra_verify_email', |
| 423 |
'reference', |
| 424 |
'trip', |
| 425 |
'paged', |
| 426 |
'page', |
| 427 |
$tripKey, |
| 428 |
$destKey, |
| 429 |
$actKey, |
| 430 |
$catKey, |
| 431 |
])); |
| 432 |
} |
| 433 |
|
| 434 |
private static function stripPlainYatraArgsFromUrl(string $url): string |
| 435 |
{ |
| 436 |
$parts = wp_parse_url($url); |
| 437 |
if ($parts === false) { |
| 438 |
return $url; |
| 439 |
} |
| 440 |
|
| 441 |
parse_str($parts['query'] ?? '', $q); |
| 442 |
foreach (self::plainQueryKeysToStrip() as $k) { |
| 443 |
unset($q[$k]); |
| 444 |
} |
| 445 |
|
| 446 |
$path = $parts['path'] ?? '/'; |
| 447 |
$scheme = isset($parts['scheme']) ? $parts['scheme'] . '://' : ''; |
| 448 |
$host = $parts['host'] ?? ''; |
| 449 |
$port = isset($parts['port']) ? ':' . $parts['port'] : ''; |
| 450 |
$rebuilt = $scheme . $host . $port . $path; |
| 451 |
if ($q !== []) { |
| 452 |
$rebuilt = add_query_arg($q, $rebuilt); |
| 453 |
} |
| 454 |
if (!empty($parts['fragment'])) { |
| 455 |
$rebuilt .= '#' . $parts['fragment']; |
| 456 |
} |
| 457 |
|
| 458 |
return $rebuilt; |
| 459 |
} |
| 460 |
|
| 461 |
private static function mergePreservedMarketingArgs(string $current, string $target): string |
| 462 |
{ |
| 463 |
$keys = apply_filters( |
| 464 |
'yatra_permalink_canonical_preserve_query_keys', |
| 465 |
['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'gclid', 'fbclid'] |
| 466 |
); |
| 467 |
if (!is_array($keys) || $keys === []) { |
| 468 |
return $target; |
| 469 |
} |
| 470 |
|
| 471 |
$parts = wp_parse_url($current); |
| 472 |
if ($parts === false) { |
| 473 |
return $target; |
| 474 |
} |
| 475 |
parse_str($parts['query'] ?? '', $q); |
| 476 |
$extra = []; |
| 477 |
foreach ($keys as $k) { |
| 478 |
if (!is_string($k) || $k === '') { |
| 479 |
continue; |
| 480 |
} |
| 481 |
if (isset($q[$k]) && $q[$k] !== '' && $q[$k] !== null) { |
| 482 |
$extra[$k] = $q[$k]; |
| 483 |
} |
| 484 |
} |
| 485 |
|
| 486 |
if ($extra === []) { |
| 487 |
return $target; |
| 488 |
} |
| 489 |
|
| 490 |
return add_query_arg($extra, $target); |
| 491 |
} |
| 492 |
} |
| 493 |
|
