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/src/includes/common/ -> shortcodes.php (source)

   1  <?php
   2  
   3  /**
   4   * bbPress Shortcodes
   5   *
   6   * @package bbPress
   7   * @subpackage Shortcodes
   8   */
   9  
  10  // Exit if accessed directly
  11  defined( 'ABSPATH' ) || exit;
  12  
  13  if ( ! class_exists( 'BBP_Shortcodes' ) ) :
  14  /**
  15   * bbPress Shortcode Class
  16   *
  17   * @since 2.0.0 bbPress (r3031)
  18   */
  19  class BBP_Shortcodes {
  20  
  21      /** Vars ******************************************************************/
  22  
  23      /**
  24       * @var array Shortcode => function
  25       */
  26      public $codes = array();
  27  
  28      /** Functions *************************************************************/
  29  
  30      /**
  31       * Add the register_shortcodes action to bbp_init
  32       *
  33       * @since 2.0.0 bbPress (r3031)
  34       *
  35       */
  36  	public function __construct() {
  37          $this->setup_globals();
  38          $this->add_shortcodes();
  39      }
  40  
  41      /**
  42       * Shortcode globals
  43       *
  44       * @since 2.0.0 bbPress (r3143)
  45       *
  46       * @access private
  47       */
  48  	private function setup_globals() {
  49  
  50          // Setup the shortcodes
  51          $this->codes = apply_filters( 'bbp_shortcodes', array(
  52  
  53              /** Forums ********************************************************/
  54  
  55              'bbp-forum-index'      => array( $this, 'display_forum_index'   ), // Forum Index
  56              'bbp-forum-form'       => array( $this, 'display_forum_form'    ), // Topic form
  57              'bbp-single-forum'     => array( $this, 'display_forum'         ), // Specific forum - pass an 'id' attribute
  58  
  59              /** Topics ********************************************************/
  60  
  61              'bbp-topic-index'      => array( $this, 'display_topic_index'   ), // Topic index
  62              'bbp-topic-form'       => array( $this, 'display_topic_form'    ), // Topic form
  63              'bbp-single-topic'     => array( $this, 'display_topic'         ), // Specific topic - pass an 'id' attribute
  64  
  65              /** Topic Tags ****************************************************/
  66  
  67              'bbp-topic-tags'       => array( $this, 'display_topic_tags'    ), // All topic tags in a cloud
  68              'bbp-single-tag'       => array( $this, 'display_topics_of_tag' ), // Topics of Tag
  69  
  70              /** Replies *******************************************************/
  71  
  72              'bbp-reply-form'       => array( $this, 'display_reply_form'    ), // Reply form
  73              'bbp-single-reply'     => array( $this, 'display_reply'         ), // Specific reply - pass an 'id' attribute
  74  
  75              /** Views *********************************************************/
  76  
  77              'bbp-single-view'      => array( $this, 'display_view'          ), // Single view
  78  
  79              /** Search ********************************************************/
  80  
  81              'bbp-search-form'      => array( $this, 'display_search_form'   ), // Search form
  82              'bbp-search'           => array( $this, 'display_search'        ), // Search
  83  
  84              /** Account *******************************************************/
  85  
  86              'bbp-login'            => array( $this, 'display_login'         ), // Login
  87              'bbp-register'         => array( $this, 'display_register'      ), // Register
  88              'bbp-lost-pass'        => array( $this, 'display_lost_pass'     ), // Lost Password
  89  
  90              /** Others *******************************************************/
  91  
  92              'bbp-stats'            => array( $this, 'display_stats'         ), // Stats
  93          ) );
  94      }
  95  
  96      /**
  97       * Register the bbPress shortcodes
  98       *
  99       * @since 2.0.0 bbPress (r3031)
 100       */
 101  	private function add_shortcodes() {
 102          foreach ( (array) $this->codes as $code => $function ) {
 103              add_shortcode( $code, $function );
 104          }
 105      }
 106  
 107      /**
 108       * Unset some globals in the $bbp object that hold query related info
 109       *
 110       * @since 2.0.0 bbPress (r3034)
 111       */
 112  	private function unset_globals() {
 113          $bbp = bbpress();
 114  
 115          // Unset global queries
 116          $bbp->forum_query  = new WP_Query();
 117          $bbp->topic_query  = new WP_Query();
 118          $bbp->reply_query  = new WP_Query();
 119          $bbp->search_query = new WP_Query();
 120  
 121          // Unset global ID's
 122          $bbp->current_view_id      = 0;
 123          $bbp->current_forum_id     = 0;
 124          $bbp->current_topic_id     = 0;
 125          $bbp->current_reply_id     = 0;
 126          $bbp->current_topic_tag_id = 0;
 127  
 128          // Reset the post data
 129          wp_reset_postdata();
 130      }
 131  
 132      /** Output Buffers ********************************************************/
 133  
 134      /**
 135       * Start an output buffer.
 136       *
 137       * This is used to put the contents of the shortcode into a variable rather
 138       * than outputting the HTML at run-time. This allows shortcodes to appear
 139       * in the correct location in the_content() instead of when it's created.
 140       *
 141       * @since 2.0.0 bbPress (r3079)
 142       *
 143       * @param string $query_name
 144       */
 145  	private function start( $query_name = '' ) {
 146  
 147          // Set query name
 148          bbp_set_query_name( $query_name );
 149  
 150          // Start output buffer
 151          ob_start();
 152      }
 153  
 154      /**
 155       * Return the contents of the output buffer and flush its contents.
 156       *
 157       * @since 2.0.0 bbPress (r3079)
 158       *
 159       * @return string Contents of output buffer.
 160       */
 161  	private function end() {
 162  
 163          // Unset globals
 164          $this->unset_globals();
 165  
 166          // Get the query name, for filter
 167          $query_name = bbp_get_query_name();
 168  
 169          // Reset the query name
 170          bbp_reset_query_name();
 171  
 172          // Return and flush the output buffer
 173          $output = ob_get_clean();
 174  
 175          // Filter & return
 176          return apply_filters( 'bbp_display_shortcode', $output, $query_name );
 177      }
 178  
 179      /** Forum shortcodes ******************************************************/
 180  
 181      /**
 182       * Display an index of all visible root level forums in an output buffer
 183       * and return to ensure that post/page contents are displayed first.
 184       *
 185       * @since 2.0.0 bbPress (r3031)
 186       *
 187       * @return string
 188       */
 189  	public function display_forum_index() {
 190  
 191          // Unset globals
 192          $this->unset_globals();
 193  
 194          // Start output buffer
 195          $this->start( 'bbp_forum_archive' );
 196  
 197          bbp_get_template_part( 'content', 'archive-forum' );
 198  
 199          // Return contents of output buffer
 200          return $this->end();
 201      }
 202  
 203      /**
 204       * Display the contents of a specific forum ID in an output buffer
 205       * and return to ensure that post/page contents are displayed first.
 206       *
 207       * @since 2.0.0 bbPress (r3031)
 208       *
 209       * @param array $attr
 210       * @param string $content
 211       * @return string
 212       */
 213  	public function display_forum( $attr, $content = '' ) {
 214  
 215          // Sanity check required info
 216          if ( ! empty( $content ) || ( empty( $attr['id'] ) || ! is_numeric( $attr['id'] ) ) ) {
 217              return $content;
 218          }
 219  
 220          // Set passed attribute to $forum_id for clarity
 221          $forum_id = bbpress()->current_forum_id = $attr['id'];
 222  
 223          // Bail if ID passed is not a forum
 224          if ( ! bbp_is_forum( $forum_id ) ) {
 225              return $content;
 226          }
 227  
 228          // Start output buffer
 229          $this->start( 'bbp_single_forum' );
 230  
 231          // Check forum caps
 232          if ( bbp_user_can_view_forum( array( 'forum_id' => $forum_id ) ) ) {
 233              bbp_get_template_part( 'content',  'single-forum' );
 234  
 235          // Forum is private and user does not have caps
 236          } elseif ( bbp_is_forum_private( $forum_id, false ) ) {
 237              bbp_get_template_part( 'feedback', 'no-access'    );
 238          }
 239  
 240          // Return contents of output buffer
 241          return $this->end();
 242      }
 243  
 244      /**
 245       * Display the forum form in an output buffer and return to ensure
 246       * post/page contents are displayed first.
 247       *
 248       * @since 2.1.0 bbPress (r3566)
 249       */
 250  	public function display_forum_form() {
 251  
 252          // Start output buffer
 253          $this->start( 'bbp_forum_form' );
 254  
 255          // Output templates
 256          bbp_get_template_part( 'form', 'forum' );
 257  
 258          // Return contents of output buffer
 259          return $this->end();
 260      }
 261  
 262      /** Topic shortcodes ******************************************************/
 263  
 264      /**
 265       * Display an index of all visible root level topics in an output buffer
 266       * and return to ensure that post/page contents are displayed first.
 267       *
 268       * @since 2.0.0 bbPress (r3031)
 269       *
 270       * @return string
 271       */
 272  	public function display_topic_index() {
 273  
 274          // Unset globals
 275          $this->unset_globals();
 276  
 277          // Filter the query
 278          if ( ! bbp_is_topic_archive() ) {
 279              add_filter( 'bbp_before_has_topics_parse_args', array( $this, 'display_topic_index_query' ) );
 280          }
 281  
 282          // Start output buffer
 283          $this->start( 'bbp_topic_archive' );
 284  
 285          // Output template
 286          bbp_get_template_part( 'content', 'archive-topic' );
 287  
 288          // Return contents of output buffer
 289          return $this->end();
 290      }
 291  
 292      /**
 293       * Display the contents of a specific topic ID in an output buffer
 294       * and return to ensure that post/page contents are displayed first.
 295       *
 296       * @since 2.0.0 bbPress (r3031)
 297       *
 298       * @param array $attr
 299       * @param string $content
 300       * @return string
 301       */
 302  	public function display_topic( $attr, $content = '' ) {
 303  
 304          // Sanity check required info
 305          if ( ! empty( $content ) || ( empty( $attr['id'] ) || ! is_numeric( $attr['id'] ) ) ) {
 306              return $content;
 307          }
 308  
 309          // Unset globals
 310          $this->unset_globals();
 311  
 312          // Set passed attribute to $forum_id for clarity
 313          $topic_id = bbpress()->current_topic_id = $attr['id'];
 314          $forum_id = bbp_get_topic_forum_id( $topic_id );
 315  
 316          // Bail if ID passed is not a topic
 317          if ( ! bbp_is_topic( $topic_id ) ) {
 318              return $content;
 319          }
 320  
 321          // Reset the queries if not in theme compat
 322          if ( ! bbp_is_theme_compat_active() ) {
 323  
 324              $bbp = bbpress();
 325  
 326              // Reset necessary forum_query attributes for topics loop to function
 327              $bbp->forum_query->query_vars['post_type'] = bbp_get_forum_post_type();
 328              $bbp->forum_query->in_the_loop             = true;
 329              $bbp->forum_query->post                    = get_post( $forum_id );
 330  
 331              // Reset necessary topic_query attributes for topics loop to function
 332              $bbp->topic_query->query_vars['post_type'] = bbp_get_topic_post_type();
 333              $bbp->topic_query->in_the_loop             = true;
 334              $bbp->topic_query->post                    = get_post( $topic_id );
 335          }
 336  
 337          // Start output buffer
 338          $this->start( 'bbp_single_topic' );
 339  
 340          // Check forum caps
 341          if ( bbp_user_can_view_forum( array( 'forum_id' => $forum_id ) ) ) {
 342              bbp_get_template_part( 'content', 'single-topic' );
 343  
 344          // Forum is private and user does not have caps
 345          } elseif ( bbp_is_forum_private( $forum_id, false ) ) {
 346              bbp_get_template_part( 'feedback', 'no-access'    );
 347          }
 348  
 349          // Return contents of output buffer
 350          return $this->end();
 351      }
 352  
 353      /**
 354       * Display the topic form in an output buffer and return to ensure
 355       * post/page contents are displayed first.
 356       *
 357       * Supports 'forum_id' attribute to display the topic form for a particular
 358       * forum. This currently has styling issues from not being wrapped in
 359       * <div id="bbpress-forums" class="bbpress-wrapper"></div> which will need to be sorted out later.
 360       *
 361       * @since 2.0.0 bbPress (r3031)
 362       *
 363       * @param array $attr
 364       * @param string $content
 365       * @return string
 366       */
 367  	public function display_topic_form( $attr = array(), $content = '' ) {
 368  
 369          // Sanity check supplied info
 370          if ( ! empty( $content ) || ( ! empty( $attr['forum_id'] ) && ( ! is_numeric( $attr['forum_id'] ) || ! bbp_is_forum( $attr['forum_id'] ) ) ) ) {
 371              return $content;
 372          }
 373  
 374          // Unset globals
 375          $this->unset_globals();
 376  
 377          // If forum id is set, use the 'bbp_single_forum' query name
 378          if ( ! empty( $attr['forum_id'] ) ) {
 379  
 380              // Set the global current_forum_id for future requests
 381              bbpress()->current_forum_id = $forum_id = bbp_get_forum_id( $attr['forum_id'] );
 382  
 383              // Start output buffer
 384              $this->start( 'bbp_single_forum' );
 385  
 386          // No forum id was passed
 387          } else {
 388  
 389              // Set the $forum_id variable to satisfy checks below
 390              $forum_id = 0;
 391  
 392              // Start output buffer
 393              $this->start( 'bbp_topic_form' );
 394          }
 395  
 396          // If the forum id is set, check forum caps else display normal topic form
 397          if ( empty( $forum_id ) || bbp_user_can_view_forum( array( 'forum_id' => $forum_id ) ) ) {
 398              bbp_get_template_part( 'form', 'topic' );
 399  
 400          // Forum is private and user does not have caps
 401          } elseif ( bbp_is_forum_private( $forum_id, false ) ) {
 402              bbp_get_template_part( 'feedback', 'no-access' );
 403          }
 404  
 405          // Return contents of output buffer
 406          return $this->end();
 407      }
 408  
 409      /** Replies ***************************************************************/
 410  
 411      /**
 412       * Display the contents of a specific reply ID in an output buffer
 413       * and return to ensure that post/page contents are displayed first.
 414       *
 415       * @since 2.0.0 bbPress (r3031)
 416       *
 417       * @param array $attr
 418       * @param string $content
 419       * @return string
 420       */
 421  	public function display_reply( $attr, $content = '' ) {
 422  
 423          // Sanity check required info
 424          if ( ! empty( $content ) || ( empty( $attr['id'] ) || ! is_numeric( $attr['id'] ) ) ) {
 425              return $content;
 426          }
 427  
 428          // Unset globals
 429          $this->unset_globals();
 430  
 431          // Set passed attribute to $reply_id for clarity
 432          $reply_id = bbpress()->current_reply_id = $attr['id'];
 433          $forum_id = bbp_get_reply_forum_id( $reply_id );
 434  
 435          // Bail if ID passed is not a reply
 436          if ( ! bbp_is_reply( $reply_id ) ) {
 437              return $content;
 438          }
 439  
 440          // Reset the queries if not in theme compat
 441          if ( ! bbp_is_theme_compat_active() ) {
 442  
 443              $bbp = bbpress();
 444  
 445              // Reset necessary forum_query attributes for reply loop to function
 446              $bbp->forum_query->query_vars['post_type'] = bbp_get_forum_post_type();
 447              $bbp->forum_query->in_the_loop             = true;
 448              $bbp->forum_query->post                    = get_post( $forum_id );
 449  
 450              // Reset necessary reply_query attributes for reply loop to function
 451              $bbp->reply_query->query_vars['post_type'] = bbp_get_reply_post_type();
 452              $bbp->reply_query->in_the_loop             = true;
 453              $bbp->reply_query->post                    = get_post( $reply_id );
 454          }
 455  
 456          // Start output buffer
 457          $this->start( 'bbp_single_reply' );
 458  
 459          // Check forum caps
 460          if ( bbp_user_can_view_forum( array( 'forum_id' => $forum_id ) ) ) {
 461              bbp_get_template_part( 'content',  'single-reply' );
 462  
 463          // Forum is private and user does not have caps
 464          } elseif ( bbp_is_forum_private( $forum_id, false ) ) {
 465              bbp_get_template_part( 'feedback', 'no-access'    );
 466          }
 467  
 468          // Return contents of output buffer
 469          return $this->end();
 470      }
 471  
 472      /**
 473       * Display the reply form in an output buffer and return to ensure
 474       * post/page contents are displayed first.
 475       *
 476       * @since 2.0.0 bbPress (r3031)
 477       */
 478  	public function display_reply_form() {
 479  
 480          // Start output buffer
 481          $this->start( 'bbp_reply_form' );
 482  
 483          // Output templates
 484          bbp_get_template_part( 'form', 'reply' );
 485  
 486          // Return contents of output buffer
 487          return $this->end();
 488      }
 489  
 490      /** Topic Tags ************************************************************/
 491  
 492      /**
 493       * Display a tag cloud of all topic tags in an output buffer and return to
 494       * ensure that post/page contents are displayed first.
 495       *
 496       * @since 2.0.0 bbPress (r3110)
 497       *
 498       * @return string
 499       */
 500  	public function display_topic_tags() {
 501  
 502          // Unset globals
 503          $this->unset_globals();
 504  
 505          // Start output buffer
 506          $this->start( 'bbp_topic_tags' );
 507  
 508          // Output the topic tags
 509          wp_tag_cloud( array(
 510              'smallest' => 9,
 511              'largest'  => 38,
 512              'number'   => 80,
 513              'taxonomy' => bbp_get_topic_tag_tax_id()
 514          ) );
 515  
 516          // Return contents of output buffer
 517          return $this->end();
 518      }
 519  
 520      /**
 521       * Display the contents of a specific topic tag in an output buffer
 522       * and return to ensure that post/page contents are displayed first.
 523       *
 524       * @since 2.0.0 bbPress (r3110)
 525       *
 526       * @param array $attr
 527       * @param string $content
 528       * @return string
 529       */
 530  	public function display_topics_of_tag( $attr, $content = '' ) {
 531  
 532          // Sanity check required info
 533          if ( ! empty( $content ) || ( empty( $attr['id'] ) || ! is_numeric( $attr['id'] ) ) ) {
 534              return $content;
 535          }
 536  
 537          // Unset globals
 538          $this->unset_globals();
 539  
 540          // Filter the query
 541          if ( ! bbp_is_topic_tag() ) {
 542              add_filter( 'bbp_before_has_topics_parse_args', array( $this, 'display_topics_of_tag_query' ) );
 543          }
 544  
 545          // Start output buffer
 546          $this->start( 'bbp_topic_tag' );
 547  
 548          // Set passed attribute to $ag_id for clarity
 549          bbpress()->current_topic_tag_id = $tag_id = $attr['id'];
 550  
 551          // Output template
 552          bbp_get_template_part( 'content', 'archive-topic' );
 553  
 554          // Return contents of output buffer
 555          return $this->end();
 556      }
 557  
 558      /**
 559       * Display the contents of a specific topic tag in an output buffer
 560       * and return to ensure that post/page contents are displayed first.
 561       *
 562       * @since 2.0.0 bbPress (r3346)
 563       *
 564       * @return string
 565       */
 566  	public function display_topic_tag_form() {
 567  
 568          // Unset globals
 569          $this->unset_globals();
 570  
 571          // Start output buffer
 572          $this->start( 'bbp_topic_tag_edit' );
 573  
 574          // Output template
 575          bbp_get_template_part( 'content', 'topic-tag-edit' );
 576  
 577          // Return contents of output buffer
 578          return $this->end();
 579      }
 580  
 581      /** Views *****************************************************************/
 582  
 583      /**
 584       * Display the contents of a specific view in an output buffer and return to
 585       * ensure that post/page contents are displayed first.
 586       *
 587       * @since 2.0.0 bbPress (r3031)
 588       *
 589       * @param array $attr
 590       * @param string $content
 591       * @return string
 592       */
 593  	public function display_view( $attr, $content = '' ) {
 594  
 595          // Sanity check required info
 596          if ( empty( $attr['id'] ) ) {
 597              return $content;
 598          }
 599  
 600          // Set passed attribute to $view_id for clarity
 601          $view_id = $attr['id'];
 602  
 603          // Start output buffer
 604          $this->start( 'bbp_single_view' );
 605  
 606          // Unset globals
 607          $this->unset_globals();
 608  
 609          // Set the current view ID
 610          bbpress()->current_view_id = $view_id;
 611  
 612          // Load the view
 613          bbp_view_query( $view_id );
 614  
 615          // Output template
 616          bbp_get_template_part( 'content', 'single-view' );
 617  
 618          // Return contents of output buffer
 619          return $this->end();
 620      }
 621  
 622      /** Search ****************************************************************/
 623  
 624      /**
 625       * Display the search form in an output buffer and return to ensure
 626       * post/page contents are displayed first.
 627       *
 628       * @since 2.3.0 bbPress (r4585)
 629       */
 630  	public function display_search_form() {
 631  
 632          // Bail if search is disabled
 633          if ( ! bbp_allow_search() ) {
 634              return;
 635          }
 636  
 637          // Start output buffer
 638          $this->start( 'bbp_search_form' );
 639  
 640          // Output templates
 641          bbp_get_template_part( 'form', 'search' );
 642  
 643          // Return contents of output buffer
 644          return $this->end();
 645      }
 646  
 647      /**
 648       * Display the contents of search results in an output buffer and return to
 649       * ensure that post/page contents are displayed first.
 650       *
 651       * @since 2.3.0 bbPress (r4579)
 652       *
 653       * @param array $attr
 654       * @param string $content
 655       */
 656  	public function display_search( $attr, $content = '' ) {
 657  
 658          // Sanity check required info
 659          if ( ! empty( $content ) ) {
 660              return $content;
 661          }
 662  
 663          // Bail if search is disabled
 664          if ( ! bbp_allow_search() ) {
 665              return;
 666          }
 667  
 668          // Trim search attribute if it's set
 669          if ( isset( $attr['search'] ) ) {
 670              $attr['search'] = trim( $attr['search'] );
 671          }
 672  
 673          // Set passed attribute to $search_terms for clarity
 674          $search_terms = empty( $attr['search'] ) ? bbp_get_search_terms() : $attr['search'];
 675  
 676          // Unset globals
 677          $this->unset_globals();
 678  
 679          // Set terms for query
 680          set_query_var( bbp_get_search_rewrite_id(), $search_terms );
 681  
 682          // Start output buffer
 683          $this->start( bbp_get_search_rewrite_id() );
 684  
 685          // Output template
 686          bbp_get_template_part( 'content', 'search' );
 687  
 688          // Return contents of output buffer
 689          return $this->end();
 690      }
 691  
 692      /** Account ***************************************************************/
 693  
 694      /**
 695       * Display a login form
 696       *
 697       * @since 2.0.0 bbPress (r3302)
 698       *
 699       * @return string
 700       */
 701  	public function display_login() {
 702  
 703          // Unset globals
 704          $this->unset_globals();
 705  
 706          // Start output buffer
 707          $this->start( 'bbp_login' );
 708  
 709          // Output templates
 710          if ( ! is_user_logged_in() ) {
 711              bbp_get_template_part( 'form',     'user-login' );
 712          } else {
 713              bbp_get_template_part( 'feedback', 'logged-in'  );
 714          }
 715  
 716          // Return contents of output buffer
 717          return $this->end();
 718      }
 719  
 720      /**
 721       * Display a register form
 722       *
 723       * @since 2.0.0 bbPress (r3302)
 724       *
 725       * @return string
 726       */
 727  	public function display_register() {
 728  
 729          // Unset globals
 730          $this->unset_globals();
 731  
 732          // Start output buffer
 733          $this->start( 'bbp_register' );
 734  
 735          // Output templates
 736          if ( ! is_user_logged_in() ) {
 737              bbp_get_template_part( 'form',     'user-register' );
 738          } else {
 739              bbp_get_template_part( 'feedback', 'logged-in'     );
 740          }
 741  
 742          // Return contents of output buffer
 743          return $this->end();
 744      }
 745  
 746      /**
 747       * Display a lost password form
 748       *
 749       * @since 2.0.0 bbPress (r3302)
 750       *
 751       * @return string
 752       */
 753  	public function display_lost_pass() {
 754  
 755          // Unset globals
 756          $this->unset_globals();
 757  
 758          // Start output buffer
 759          $this->start( 'bbp_lost_pass' );
 760  
 761          // Output templates
 762          if ( ! is_user_logged_in() ) {
 763              bbp_get_template_part( 'form',     'user-lost-pass' );
 764          } else {
 765              bbp_get_template_part( 'feedback', 'logged-in'      );
 766          }
 767  
 768          // Return contents of output buffer
 769          return $this->end();
 770      }
 771  
 772      /** Other *****************************************************************/
 773  
 774      /**
 775       * Display forum statistics
 776       *
 777       * @since 2.3.0 bbPress (r4509)
 778       *
 779       * @return string
 780       */
 781  	public function display_stats() {
 782  
 783          // Unset globals
 784          $this->unset_globals();
 785  
 786          // Start output buffer
 787          $this->start();
 788  
 789          // Output statistics
 790          bbp_get_template_part( 'content', 'statistics' );
 791  
 792          // Return contents of output buffer
 793          return $this->end();
 794      }
 795  
 796      /**
 797       * Display a breadcrumb
 798       *
 799       * @since 2.0.0 bbPress (r3302)
 800       *
 801       * @return string
 802       */
 803  	public function display_breadcrumb() {
 804  
 805          // Unset globals
 806          $this->unset_globals();
 807  
 808          // Start output buffer
 809          $this->start();
 810  
 811          // Output breadcrumb
 812          bbp_breadcrumb();
 813  
 814          // Return contents of output buffer
 815          return $this->end();
 816      }
 817  
 818      /** Query Filters *********************************************************/
 819  
 820      /**
 821       * Filter the query for the topic index
 822       *
 823       * @since 2.1.0 bbPress (r3637)
 824       *
 825       * @param array $args
 826       * @return array
 827       */
 828  	public function display_topic_index_query( $args = array() ) {
 829          $args['author']        = 0;
 830          $args['show_stickies'] = true;
 831          $args['order']         = 'DESC';
 832          return $args;
 833      }
 834  
 835      /**
 836       * Filter the query for topic tags
 837       *
 838       * @since 2.1.0 bbPress (r3637)
 839       *
 840       * @param array $args
 841       * @return array
 842       */
 843  	public function display_topics_of_tag_query( $args = array() ) {
 844          $args['tax_query'] = array( array(
 845              'taxonomy' => bbp_get_topic_tag_tax_id(),
 846              'field'    => 'id',
 847              'terms'    => bbpress()->current_topic_tag_id
 848          ) );
 849  
 850          return $args;
 851      }
 852  }
 853  endif;


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