| 222 | | |
| 223 | | /** |
| 224 | | * Displays a navigation menu. |
| 225 | | * |
| 226 | | * @since 3.0.0 |
| 227 | | * |
| 228 | | * @staticvar array $menu_id_slugs |
| 229 | | * |
| 230 | | * @param array $args { |
| 231 | | * Optional. Array of nav menu arguments. |
| 232 | | * |
| 233 | | * @type string $menu Desired menu. Accepts (matching in order) id, slug, name. Default empty. |
| 234 | | * @type string $menu_class CSS class to use for the ul element which forms the menu. Default 'menu'. |
| 235 | | * @type string $menu_id The ID that is applied to the ul element which forms the menu. |
| 236 | | * Default is the menu slug, incremented. |
| 237 | | * @type string $container Whether to wrap the ul, and what to wrap it with. Default 'div'. |
| 238 | | * @type string $container_class Class that is applied to the container. Default 'menu-{menu slug}-container'. |
| 239 | | * @type string $container_id The ID that is applied to the container. Default empty. |
| 240 | | * @type callable|bool $fallback_cb If the menu doesn't exists, a callback function will fire. |
| 241 | | * Default is 'wp_page_menu'. Set to false for no fallback. |
| 242 | | * @type string $before Text before the link markup. Default empty. |
| 243 | | * @type string $after Text after the link markup. Default empty. |
| 244 | | * @type string $link_before Text before the link text. Default empty. |
| 245 | | * @type string $link_after Text after the link text. Default empty. |
| 246 | | * @type bool $echo Whether to echo the menu or return it. Default true. |
| 247 | | * @type int $depth How many levels of the hierarchy are to be included. 0 means all. Default 0. |
| 248 | | * @type object $walker Instance of a custom walker class. Default empty. |
| 249 | | * @type string $theme_location Theme location to be used. Must be registered with register_nav_menu() |
| 250 | | * in order to be selectable by the user. |
| 251 | | * @type string $items_wrap How the list items should be wrapped. Default is a ul with an id and class. |
| 252 | | * Uses printf() format with numbered placeholders. |
| 253 | | * } |
| 254 | | * @return object|false|void Menu output if $echo is false, false if there are no items or no menu was found. |
| 255 | | */ |
| 256 | | function wp_nav_menu( $args = array() ) { |
| 257 | | static $menu_id_slugs = array(); |
| 258 | | |
| 259 | | $defaults = array( 'menu' => '', 'container' => 'div', 'container_class' => '', 'container_id' => '', 'menu_class' => 'menu', 'menu_id' => '', |
| 260 | | 'echo' => true, 'fallback_cb' => 'wp_page_menu', 'before' => '', 'after' => '', 'link_before' => '', 'link_after' => '', 'items_wrap' => '<ul id="%1$s" class="%2$s">%3$s</ul>', |
| 261 | | 'depth' => 0, 'walker' => '', 'theme_location' => '' ); |
| 262 | | |
| 263 | | $args = wp_parse_args( $args, $defaults ); |
| 264 | | /** |
| 265 | | * Filters the arguments used to display a navigation menu. |
| 266 | | * |
| 267 | | * @since 3.0.0 |
| 268 | | * |
| 269 | | * @see wp_nav_menu() |
| 270 | | * |
| 271 | | * @param array $args Array of wp_nav_menu() arguments. |
| 272 | | */ |
| 273 | | $args = apply_filters( 'wp_nav_menu_args', $args ); |
| 274 | | $args = (object) $args; |
| 275 | | |
| 276 | | /** |
| 277 | | * Filters whether to short-circuit the wp_nav_menu() output. |
| 278 | | * |
| 279 | | * Returning a non-null value to the filter will short-circuit |
| 280 | | * wp_nav_menu(), echoing that value if $args->echo is true, |
| 281 | | * returning that value otherwise. |
| 282 | | * |
| 283 | | * @since 3.9.0 |
| 284 | | * |
| 285 | | * @see wp_nav_menu() |
| 286 | | * |
| 287 | | * @param string|null $output Nav menu output to short-circuit with. Default null. |
| 288 | | * @param object $args An object containing wp_nav_menu() arguments. |
| 289 | | */ |
| 290 | | $nav_menu = apply_filters( 'pre_wp_nav_menu', null, $args ); |
| 291 | | |
| 292 | | if ( null !== $nav_menu ) { |
| 293 | | if ( $args->echo ) { |
| 294 | | echo $nav_menu; |
| 295 | | return; |
| 296 | | } |
| 297 | | |
| 298 | | return $nav_menu; |
| 299 | | } |
| 300 | | |
| 301 | | // Get the nav menu based on the requested menu |
| 302 | | $menu = wp_get_nav_menu_object( $args->menu ); |
| 303 | | |
| 304 | | // Get the nav menu based on the theme_location |
| 305 | | if ( ! $menu && $args->theme_location && ( $locations = get_nav_menu_locations() ) && isset( $locations[ $args->theme_location ] ) ) |
| 306 | | $menu = wp_get_nav_menu_object( $locations[ $args->theme_location ] ); |
| 307 | | |
| 308 | | // get the first menu that has items if we still can't find a menu |
| 309 | | if ( ! $menu && !$args->theme_location ) { |
| 310 | | $menus = wp_get_nav_menus(); |
| 311 | | foreach ( $menus as $menu_maybe ) { |
| 312 | | if ( $menu_items = wp_get_nav_menu_items( $menu_maybe->term_id, array( 'update_post_term_cache' => false ) ) ) { |
| 313 | | $menu = $menu_maybe; |
| 314 | | break; |
| 315 | | } |
| 316 | | } |
| 317 | | } |
| 318 | | |
| 319 | | if ( empty( $args->menu ) ) { |
| 320 | | $args->menu = $menu; |
| 321 | | } |
| 322 | | |
| 323 | | // If the menu exists, get its items. |
| 324 | | if ( $menu && ! is_wp_error($menu) && !isset($menu_items) ) |
| 325 | | $menu_items = wp_get_nav_menu_items( $menu->term_id, array( 'update_post_term_cache' => false ) ); |
| 326 | | |
| 327 | | /* |
| 328 | | * If no menu was found: |
| 329 | | * - Fall back (if one was specified), or bail. |
| 330 | | * |
| 331 | | * If no menu items were found: |
| 332 | | * - Fall back, but only if no theme location was specified. |
| 333 | | * - Otherwise, bail. |
| 334 | | */ |
| 335 | | if ( ( !$menu || is_wp_error($menu) || ( isset($menu_items) && empty($menu_items) && !$args->theme_location ) ) |
| 336 | | && isset( $args->fallback_cb ) && $args->fallback_cb && is_callable( $args->fallback_cb ) ) |
| 337 | | return call_user_func( $args->fallback_cb, (array) $args ); |
| 338 | | |
| 339 | | if ( ! $menu || is_wp_error( $menu ) ) |
| 340 | | return false; |
| 341 | | |
| 342 | | $nav_menu = $items = ''; |
| 343 | | |
| 344 | | $show_container = false; |
| 345 | | if ( $args->container ) { |
| 346 | | /** |
| 347 | | * Filters the list of HTML tags that are valid for use as menu containers. |
| 348 | | * |
| 349 | | * @since 3.0.0 |
| 350 | | * |
| 351 | | * @param array $tags The acceptable HTML tags for use as menu containers. |
| 352 | | * Default is array containing 'div' and 'nav'. |
| 353 | | */ |
| 354 | | $allowed_tags = apply_filters( 'wp_nav_menu_container_allowedtags', array( 'div', 'nav' ) ); |
| 355 | | if ( is_string( $args->container ) && in_array( $args->container, $allowed_tags ) ) { |
| 356 | | $show_container = true; |
| 357 | | $class = $args->container_class ? ' class="' . esc_attr( $args->container_class ) . '"' : ' class="menu-'. $menu->slug .'-container"'; |
| 358 | | $id = $args->container_id ? ' id="' . esc_attr( $args->container_id ) . '"' : ''; |
| 359 | | $nav_menu .= '<'. $args->container . $id . $class . '>'; |
| 360 | | } |
| 361 | | } |
| 362 | | |
| 363 | | // Set up the $menu_item variables |
| 364 | | _wp_menu_item_classes_by_context( $menu_items ); |
| 365 | | |
| 366 | | $sorted_menu_items = $menu_items_with_children = array(); |
| 367 | | foreach ( (array) $menu_items as $menu_item ) { |
| 368 | | $sorted_menu_items[ $menu_item->menu_order ] = $menu_item; |
| 369 | | if ( $menu_item->menu_item_parent ) |
| 370 | | $menu_items_with_children[ $menu_item->menu_item_parent ] = true; |
| 371 | | } |
| 372 | | |
| 373 | | // Add the menu-item-has-children class where applicable |
| 374 | | if ( $menu_items_with_children ) { |
| 375 | | foreach ( $sorted_menu_items as &$menu_item ) { |
| 376 | | if ( isset( $menu_items_with_children[ $menu_item->ID ] ) ) |
| 377 | | $menu_item->classes[] = 'menu-item-has-children'; |
| 378 | | } |
| 379 | | } |
| 380 | | |
| 381 | | unset( $menu_items, $menu_item ); |
| 382 | | |
| 383 | | /** |
| 384 | | * Filters the sorted list of menu item objects before generating the menu's HTML. |
| 385 | | * |
| 386 | | * @since 3.1.0 |
| 387 | | * |
| 388 | | * @param array $sorted_menu_items The menu items, sorted by each menu item's menu order. |
| 389 | | * @param object $args An object containing wp_nav_menu() arguments. |
| 390 | | */ |
| 391 | | $sorted_menu_items = apply_filters( 'wp_nav_menu_objects', $sorted_menu_items, $args ); |
| 392 | | |
| 393 | | $items .= walk_nav_menu_tree( $sorted_menu_items, $args->depth, $args ); |
| 394 | | unset($sorted_menu_items); |
| 395 | | |
| 396 | | // Attributes |
| 397 | | if ( ! empty( $args->menu_id ) ) { |
| 398 | | $wrap_id = $args->menu_id; |
| 399 | | } else { |
| 400 | | $wrap_id = 'menu-' . $menu->slug; |
| 401 | | while ( in_array( $wrap_id, $menu_id_slugs ) ) { |
| 402 | | if ( preg_match( '#-(\d+)$#', $wrap_id, $matches ) ) |
| 403 | | $wrap_id = preg_replace('#-(\d+)$#', '-' . ++$matches[1], $wrap_id ); |
| 404 | | else |
| 405 | | $wrap_id = $wrap_id . '-1'; |
| 406 | | } |
| 407 | | } |
| 408 | | $menu_id_slugs[] = $wrap_id; |
| 409 | | |
| 410 | | $wrap_class = $args->menu_class ? $args->menu_class : ''; |
| 411 | | |
| 412 | | /** |
| 413 | | * Filters the HTML list content for navigation menus. |
| 414 | | * |
| 415 | | * @since 3.0.0 |
| 416 | | * |
| 417 | | * @see wp_nav_menu() |
| 418 | | * |
| 419 | | * @param string $items The HTML list content for the menu items. |
| 420 | | * @param object $args An object containing wp_nav_menu() arguments. |
| 421 | | */ |
| 422 | | $items = apply_filters( 'wp_nav_menu_items', $items, $args ); |
| 423 | | /** |
| 424 | | * Filters the HTML list content for a specific navigation menu. |
| 425 | | * |
| 426 | | * @since 3.0.0 |
| 427 | | * |
| 428 | | * @see wp_nav_menu() |
| 429 | | * |
| 430 | | * @param string $items The HTML list content for the menu items. |
| 431 | | * @param object $args An object containing wp_nav_menu() arguments. |
| 432 | | */ |
| 433 | | $items = apply_filters( "wp_nav_menu_{$menu->slug}_items", $items, $args ); |
| 434 | | |
| 435 | | // Don't print any markup if there are no items at this point. |
| 436 | | if ( empty( $items ) ) |
| 437 | | return false; |
| 438 | | |
| 439 | | $nav_menu .= sprintf( $args->items_wrap, esc_attr( $wrap_id ), esc_attr( $wrap_class ), $items ); |
| 440 | | unset( $items ); |
| 441 | | |
| 442 | | if ( $show_container ) |
| 443 | | $nav_menu .= '</' . $args->container . '>'; |
| 444 | | |
| 445 | | /** |
| 446 | | * Filters the HTML content for navigation menus. |
| 447 | | * |
| 448 | | * @since 3.0.0 |
| 449 | | * |
| 450 | | * @see wp_nav_menu() |
| 451 | | * |
| 452 | | * @param string $nav_menu The HTML content for the navigation menu. |
| 453 | | * @param object $args An object containing wp_nav_menu() arguments. |
| 454 | | */ |
| 455 | | $nav_menu = apply_filters( 'wp_nav_menu', $nav_menu, $args ); |
| 456 | | |
| 457 | | if ( $args->echo ) |
| 458 | | echo $nav_menu; |
| 459 | | else |
| 460 | | return $nav_menu; |
| 461 | | } |
| 462 | | |
| 463 | | /** |
| 464 | | * Add the class property classes for the current context, if applicable. |
| 465 | | * |
| 466 | | * @access private |
| 467 | | * @since 3.0.0 |
| 468 | | * |
| 469 | | * @global WP_Query $wp_query |
| 470 | | * @global WP_Rewrite $wp_rewrite |
| 471 | | * |
| 472 | | * @param array $menu_items The current menu item objects to which to add the class property information. |
| 473 | | */ |
| 474 | | function _wp_menu_item_classes_by_context( &$menu_items ) { |
| 475 | | global $wp_query, $wp_rewrite; |
| 476 | | |
| 477 | | $queried_object = $wp_query->get_queried_object(); |
| 478 | | $queried_object_id = (int) $wp_query->queried_object_id; |
| 479 | | |
| 480 | | $active_object = ''; |
| 481 | | $active_ancestor_item_ids = array(); |
| 482 | | $active_parent_item_ids = array(); |
| 483 | | $active_parent_object_ids = array(); |
| 484 | | $possible_taxonomy_ancestors = array(); |
| 485 | | $possible_object_parents = array(); |
| 486 | | $home_page_id = (int) get_option( 'page_for_posts' ); |
| 487 | | |
| 488 | | if ( $wp_query->is_singular && ! empty( $queried_object->post_type ) && ! is_post_type_hierarchical( $queried_object->post_type ) ) { |
| 489 | | foreach ( (array) get_object_taxonomies( $queried_object->post_type ) as $taxonomy ) { |
| 490 | | if ( is_taxonomy_hierarchical( $taxonomy ) ) { |
| 491 | | $term_hierarchy = _get_term_hierarchy( $taxonomy ); |
| 492 | | $terms = wp_get_object_terms( $queried_object_id, $taxonomy, array( 'fields' => 'ids' ) ); |
| 493 | | if ( is_array( $terms ) ) { |
| 494 | | $possible_object_parents = array_merge( $possible_object_parents, $terms ); |
| 495 | | $term_to_ancestor = array(); |
| 496 | | foreach ( (array) $term_hierarchy as $anc => $descs ) { |
| 497 | | foreach ( (array) $descs as $desc ) |
| 498 | | $term_to_ancestor[ $desc ] = $anc; |
| 499 | | } |
| 500 | | |
| 501 | | foreach ( $terms as $desc ) { |
| 502 | | do { |
| 503 | | $possible_taxonomy_ancestors[ $taxonomy ][] = $desc; |
| 504 | | if ( isset( $term_to_ancestor[ $desc ] ) ) { |
| 505 | | $_desc = $term_to_ancestor[ $desc ]; |
| 506 | | unset( $term_to_ancestor[ $desc ] ); |
| 507 | | $desc = $_desc; |
| 508 | | } else { |
| 509 | | $desc = 0; |
| 510 | | } |
| 511 | | } while ( ! empty( $desc ) ); |
| 512 | | } |
| 513 | | } |
| 514 | | } |
| 515 | | } |
| 516 | | } elseif ( ! empty( $queried_object->taxonomy ) && is_taxonomy_hierarchical( $queried_object->taxonomy ) ) { |
| 517 | | $term_hierarchy = _get_term_hierarchy( $queried_object->taxonomy ); |
| 518 | | $term_to_ancestor = array(); |
| 519 | | foreach ( (array) $term_hierarchy as $anc => $descs ) { |
| 520 | | foreach ( (array) $descs as $desc ) |
| 521 | | $term_to_ancestor[ $desc ] = $anc; |
| 522 | | } |
| 523 | | $desc = $queried_object->term_id; |
| 524 | | do { |
| 525 | | $possible_taxonomy_ancestors[ $queried_object->taxonomy ][] = $desc; |
| 526 | | if ( isset( $term_to_ancestor[ $desc ] ) ) { |
| 527 | | $_desc = $term_to_ancestor[ $desc ]; |
| 528 | | unset( $term_to_ancestor[ $desc ] ); |
| 529 | | $desc = $_desc; |
| 530 | | } else { |
| 531 | | $desc = 0; |
| 532 | | } |
| 533 | | } while ( ! empty( $desc ) ); |
| 534 | | } |
| 535 | | |
| 536 | | $possible_object_parents = array_filter( $possible_object_parents ); |
| 537 | | |
| 538 | | $front_page_url = home_url(); |
| 539 | | |
| 540 | | foreach ( (array) $menu_items as $key => $menu_item ) { |
| 541 | | |
| 542 | | $menu_items[$key]->current = false; |
| 543 | | |
| 544 | | $classes = (array) $menu_item->classes; |
| 545 | | $classes[] = 'menu-item'; |
| 546 | | $classes[] = 'menu-item-type-' . $menu_item->type; |
| 547 | | $classes[] = 'menu-item-object-' . $menu_item->object; |
| 548 | | |
| 549 | | // if the menu item corresponds to a taxonomy term for the currently-queried non-hierarchical post object |
| 550 | | if ( $wp_query->is_singular && 'taxonomy' == $menu_item->type && in_array( $menu_item->object_id, $possible_object_parents ) ) { |
| 551 | | $active_parent_object_ids[] = (int) $menu_item->object_id; |
| 552 | | $active_parent_item_ids[] = (int) $menu_item->db_id; |
| 553 | | $active_object = $queried_object->post_type; |
| 554 | | |
| 555 | | // if the menu item corresponds to the currently-queried post or taxonomy object |
| 556 | | } elseif ( |
| 557 | | $menu_item->object_id == $queried_object_id && |
| 558 | | ( |
| 559 | | ( ! empty( $home_page_id ) && 'post_type' == $menu_item->type && $wp_query->is_home && $home_page_id == $menu_item->object_id ) || |
| 560 | | ( 'post_type' == $menu_item->type && $wp_query->is_singular ) || |
| 561 | | ( 'taxonomy' == $menu_item->type && ( $wp_query->is_category || $wp_query->is_tag || $wp_query->is_tax ) && $queried_object->taxonomy == $menu_item->object ) |
| 562 | | ) |
| 563 | | ) { |
| 564 | | $classes[] = 'current-menu-item'; |
| 565 | | $menu_items[$key]->current = true; |
| 566 | | $_anc_id = (int) $menu_item->db_id; |
| 567 | | |
| 568 | | while( |
| 569 | | ( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) && |
| 570 | | ! in_array( $_anc_id, $active_ancestor_item_ids ) |
| 571 | | ) { |
| 572 | | $active_ancestor_item_ids[] = $_anc_id; |
| 573 | | } |
| 574 | | |
| 575 | | if ( 'post_type' == $menu_item->type && 'page' == $menu_item->object ) { |
| 576 | | // Back compat classes for pages to match wp_page_menu() |
| 577 | | $classes[] = 'page_item'; |
| 578 | | $classes[] = 'page-item-' . $menu_item->object_id; |
| 579 | | $classes[] = 'current_page_item'; |
| 580 | | } |
| 581 | | $active_parent_item_ids[] = (int) $menu_item->menu_item_parent; |
| 582 | | $active_parent_object_ids[] = (int) $menu_item->post_parent; |
| 583 | | $active_object = $menu_item->object; |
| 584 | | |
| 585 | | // if the menu item corresponds to the currently-queried post type archive |
| 586 | | } elseif ( |
| 587 | | 'post_type_archive' == $menu_item->type && |
| 588 | | is_post_type_archive( array( $menu_item->object ) ) |
| 589 | | ) { |
| 590 | | $classes[] = 'current-menu-item'; |
| 591 | | $menu_items[$key]->current = true; |
| 592 | | // if the menu item corresponds to the currently-requested URL |
| 593 | | } elseif ( 'custom' == $menu_item->object && isset( $_SERVER['HTTP_HOST'] ) ) { |
| 594 | | $_root_relative_current = untrailingslashit( $_SERVER['REQUEST_URI'] ); |
| 595 | | $current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_root_relative_current ); |
| 596 | | $raw_item_url = strpos( $menu_item->url, '#' ) ? substr( $menu_item->url, 0, strpos( $menu_item->url, '#' ) ) : $menu_item->url; |
| 597 | | $item_url = set_url_scheme( untrailingslashit( $raw_item_url ) ); |
| 598 | | $_indexless_current = untrailingslashit( preg_replace( '/' . preg_quote( $wp_rewrite->index, '/' ) . '$/', '', $current_url ) ); |
| 599 | | |
| 600 | | if ( $raw_item_url && in_array( $item_url, array( $current_url, $_indexless_current, $_root_relative_current ) ) ) { |
| 601 | | $classes[] = 'current-menu-item'; |
| 602 | | $menu_items[$key]->current = true; |
| 603 | | $_anc_id = (int) $menu_item->db_id; |
| 604 | | |
| 605 | | while( |
| 606 | | ( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) && |
| 607 | | ! in_array( $_anc_id, $active_ancestor_item_ids ) |
| 608 | | ) { |
| 609 | | $active_ancestor_item_ids[] = $_anc_id; |
| 610 | | } |
| 611 | | |
| 612 | | if ( in_array( home_url(), array( untrailingslashit( $current_url ), untrailingslashit( $_indexless_current ) ) ) ) { |
| 613 | | // Back compat for home link to match wp_page_menu() |
| 614 | | $classes[] = 'current_page_item'; |
| 615 | | } |
| 616 | | $active_parent_item_ids[] = (int) $menu_item->menu_item_parent; |
| 617 | | $active_parent_object_ids[] = (int) $menu_item->post_parent; |
| 618 | | $active_object = $menu_item->object; |
| 619 | | |
| 620 | | // give front page item current-menu-item class when extra query arguments involved |
| 621 | | } elseif ( $item_url == $front_page_url && is_front_page() ) { |
| 622 | | $classes[] = 'current-menu-item'; |
| 623 | | } |
| 624 | | |
| 625 | | if ( untrailingslashit($item_url) == home_url() ) |
| 626 | | $classes[] = 'menu-item-home'; |
| 627 | | } |
| 628 | | |
| 629 | | // back-compat with wp_page_menu: add "current_page_parent" to static home page link for any non-page query |
| 630 | | if ( ! empty( $home_page_id ) && 'post_type' == $menu_item->type && empty( $wp_query->is_page ) && $home_page_id == $menu_item->object_id ) |
| 631 | | $classes[] = 'current_page_parent'; |
| 632 | | |
| 633 | | $menu_items[$key]->classes = array_unique( $classes ); |
| 634 | | } |
| 635 | | $active_ancestor_item_ids = array_filter( array_unique( $active_ancestor_item_ids ) ); |
| 636 | | $active_parent_item_ids = array_filter( array_unique( $active_parent_item_ids ) ); |
| 637 | | $active_parent_object_ids = array_filter( array_unique( $active_parent_object_ids ) ); |
| 638 | | |
| 639 | | // set parent's class |
| 640 | | foreach ( (array) $menu_items as $key => $parent_item ) { |
| 641 | | $classes = (array) $parent_item->classes; |
| 642 | | $menu_items[$key]->current_item_ancestor = false; |
| 643 | | $menu_items[$key]->current_item_parent = false; |
| 644 | | |
| 645 | | if ( |
| 646 | | isset( $parent_item->type ) && |
| 647 | | ( |
| 648 | | // ancestral post object |
| 649 | | ( |
| 650 | | 'post_type' == $parent_item->type && |
| 651 | | ! empty( $queried_object->post_type ) && |
| 652 | | is_post_type_hierarchical( $queried_object->post_type ) && |
| 653 | | in_array( $parent_item->object_id, $queried_object->ancestors ) && |
| 654 | | $parent_item->object != $queried_object->ID |
| 655 | | ) || |
| 656 | | |
| 657 | | // ancestral term |
| 658 | | ( |
| 659 | | 'taxonomy' == $parent_item->type && |
| 660 | | isset( $possible_taxonomy_ancestors[ $parent_item->object ] ) && |
| 661 | | in_array( $parent_item->object_id, $possible_taxonomy_ancestors[ $parent_item->object ] ) && |
| 662 | | ( |
| 663 | | ! isset( $queried_object->term_id ) || |
| 664 | | $parent_item->object_id != $queried_object->term_id |
| 665 | | ) |
| 666 | | ) |
| 667 | | ) |
| 668 | | ) { |
| 669 | | $classes[] = empty( $queried_object->taxonomy ) ? 'current-' . $queried_object->post_type . '-ancestor' : 'current-' . $queried_object->taxonomy . '-ancestor'; |
| 670 | | } |
| 671 | | |
| 672 | | if ( in_array( intval( $parent_item->db_id ), $active_ancestor_item_ids ) ) { |
| 673 | | $classes[] = 'current-menu-ancestor'; |
| 674 | | $menu_items[$key]->current_item_ancestor = true; |
| 675 | | } |
| 676 | | if ( in_array( $parent_item->db_id, $active_parent_item_ids ) ) { |
| 677 | | $classes[] = 'current-menu-parent'; |
| 678 | | $menu_items[$key]->current_item_parent = true; |
| 679 | | } |
| 680 | | if ( in_array( $parent_item->object_id, $active_parent_object_ids ) ) |
| 681 | | $classes[] = 'current-' . $active_object . '-parent'; |
| 682 | | |
| 683 | | if ( 'post_type' == $parent_item->type && 'page' == $parent_item->object ) { |
| 684 | | // Back compat classes for pages to match wp_page_menu() |
| 685 | | if ( in_array('current-menu-parent', $classes) ) |
| 686 | | $classes[] = 'current_page_parent'; |
| 687 | | if ( in_array('current-menu-ancestor', $classes) ) |
| 688 | | $classes[] = 'current_page_ancestor'; |
| 689 | | } |
| 690 | | |
| 691 | | $menu_items[$key]->classes = array_unique( $classes ); |
| 692 | | } |
| 693 | | } |
| 694 | | |
| 695 | | /** |
| 696 | | * Retrieve the HTML list content for nav menu items. |
| 697 | | * |
| 698 | | * @uses Walker_Nav_Menu to create HTML list content. |
| 699 | | * @since 3.0.0 |
| 700 | | * |
| 701 | | * @param array $items |
| 702 | | * @param int $depth |
| 703 | | * @param object $r |
| 704 | | * @return string |
| 705 | | */ |
| 706 | | function walk_nav_menu_tree( $items, $depth, $r ) { |
| 707 | | $walker = ( empty($r->walker) ) ? new Walker_Nav_Menu : $r->walker; |
| 708 | | $args = array( $items, $depth, $r ); |
| 709 | | |
| 710 | | return call_user_func_array( array( $walker, 'walk' ), $args ); |
| 711 | | } |
| 712 | | |
| 713 | | /** |
| 714 | | * Prevents a menu item ID from being used more than once. |
| 715 | | * |
| 716 | | * @since 3.0.1 |
| 717 | | * @access private |
| 718 | | * |
| 719 | | * @staticvar array $used_ids |
| 720 | | * @param string $id |
| 721 | | * @param object $item |
| 722 | | * @return string |
| 723 | | */ |
| 724 | | function _nav_menu_item_id_use_once( $id, $item ) { |
| 725 | | static $_used_ids = array(); |
| 726 | | if ( in_array( $item->ID, $_used_ids ) ) { |
| 727 | | return ''; |
| 728 | | } |
| 729 | | $_used_ids[] = $item->ID; |
| 730 | | return $id; |
| 731 | | } |