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/wp-includes/ -> comment-template.php (source)

   1  <?php
   2  /**
   3   * Comment template functions
   4   *
   5   * These functions are meant to live inside of the WordPress loop.
   6   *
   7   * @package WordPress
   8   * @subpackage Template
   9   */
  10  
  11  /**
  12   * Retrieve the author of the current comment.
  13   *
  14   * If the comment has an empty comment_author field, then 'Anonymous' person is
  15   * assumed.
  16   *
  17   * @since 1.5.0
  18   * @uses apply_filters() Calls 'get_comment_author' hook on the comment author
  19   *
  20   * @return string The comment author
  21   */
  22  function get_comment_author() {
  23      global $comment;
  24      if ( empty($comment->comment_author) ) {
  25          if (!empty($comment->user_id)){
  26              $user=get_userdata($comment->user_id);
  27              $author=$user->user_login;
  28          } else {
  29              $author = __('Anonymous');
  30          }
  31      } else {
  32          $author = $comment->comment_author;
  33      }
  34      return apply_filters('get_comment_author', $author);
  35  }
  36  
  37  /**
  38   * Displays the author of the current comment.
  39   *
  40   * @since 0.71
  41   * @uses apply_filters() Calls 'comment_author' on comment author before displaying
  42   */
  43  function comment_author() {
  44      $author = apply_filters('comment_author', get_comment_author() );
  45      echo $author;
  46  }
  47  
  48  /**
  49   * Retrieve the email of the author of the current comment.
  50   *
  51   * @since 1.5.0
  52   * @uses apply_filters() Calls the 'get_comment_author_email' hook on the comment author email
  53   * @uses $comment
  54   *
  55   * @return string The current comment author's email
  56   */
  57  function get_comment_author_email() {
  58      global $comment;
  59      return apply_filters('get_comment_author_email', $comment->comment_author_email);
  60  }
  61  
  62  /**
  63   * Display the email of the author of the current global $comment.
  64   *
  65   * Care should be taken to protect the email address and assure that email
  66   * harvesters do not capture your commentors' email address. Most assume that
  67   * their email address will not appear in raw form on the blog. Doing so will
  68   * enable anyone, including those that people don't want to get the email
  69   * address and use it for their own means good and bad.
  70   *
  71   * @since 0.71
  72   * @uses apply_filters() Calls 'author_email' hook on the author email
  73   */
  74  function comment_author_email() {
  75      echo apply_filters('author_email', get_comment_author_email() );
  76  }
  77  
  78  /**
  79   * Display the html email link to the author of the current comment.
  80   *
  81   * Care should be taken to protect the email address and assure that email
  82   * harvesters do not capture your commentors' email address. Most assume that
  83   * their email address will not appear in raw form on the blog. Doing so will
  84   * enable anyone, including those that people don't want to get the email
  85   * address and use it for their own means good and bad.
  86   *
  87   * @since 0.71
  88   * @uses apply_filters() Calls 'comment_email' hook for the display of the comment author's email
  89   * @uses get_comment_author_email_link() For generating the link
  90   * @global object $comment The current Comment row object
  91   *
  92   * @param string $linktext The text to display instead of the comment author's email address
  93   * @param string $before The text or HTML to display before the email link.
  94   * @param string $after The text or HTML to display after the email link.
  95   */
  96  function comment_author_email_link($linktext='', $before='', $after='') {
  97      if ( $link = get_comment_author_email_link( $linktext, $before, $after ) )
  98          echo $link;
  99  }
 100  
 101  /**
 102   * Return the html email link to the author of the current comment.
 103   *
 104   * Care should be taken to protect the email address and assure that email
 105   * harvesters do not capture your commentors' email address. Most assume that
 106   * their email address will not appear in raw form on the blog. Doing so will
 107   * enable anyone, including those that people don't want to get the email
 108   * address and use it for their own means good and bad.
 109   *
 110   * @since 2.7
 111   * @uses apply_filters() Calls 'comment_email' hook for the display of the comment author's email
 112   * @global object $comment The current Comment row object
 113   *
 114   * @param string $linktext The text to display instead of the comment author's email address
 115   * @param string $before The text or HTML to display before the email link.
 116   * @param string $after The text or HTML to display after the email link.
 117   */
 118  function get_comment_author_email_link($linktext='', $before='', $after='') {
 119      global $comment;
 120      $email = apply_filters('comment_email', $comment->comment_author_email);
 121      if ((!empty($email)) && ($email != '@')) {
 122      $display = ($linktext != '') ? $linktext : $email;
 123          $return  = $before;
 124          $return .= "<a href='mailto:$email'>$display</a>";
 125           $return .= $after;
 126          return $return;
 127      } else {
 128          return '';
 129      }
 130  }
 131  
 132  /**
 133   * Retrieve the html link to the url of the author of the current comment.
 134   *
 135   * @since 1.5.0
 136   * @uses apply_filters() Calls 'get_comment_author_link' hook on the complete link HTML or author
 137   *
 138   * @return string Comment Author name or HTML link for author's URL
 139   */
 140  function get_comment_author_link() {
 141      /** @todo Only call these functions when they are needed. Include in if... else blocks */
 142      $url    = get_comment_author_url();
 143      $author = get_comment_author();
 144  
 145      if ( empty( $url ) || 'http://' == $url )
 146          $return = $author;
 147      else
 148          $return = "<a href='$url' rel='external nofollow' class='url'>$author</a>";
 149      return apply_filters('get_comment_author_link', $return);
 150  }
 151  
 152  /**
 153   * Display the html link to the url of the author of the current comment.
 154   *
 155   * @since 0.71
 156   * @see get_comment_author_link() Echos result
 157   */
 158  function comment_author_link() {
 159      echo get_comment_author_link();
 160  }
 161  
 162  /**
 163   * Retrieve the IP address of the author of the current comment.
 164   *
 165   * @since 1.5.0
 166   * @uses $comment
 167   * @uses apply_filters()
 168   *
 169   * @return unknown
 170   */
 171  function get_comment_author_IP() {
 172      global $comment;
 173      return apply_filters('get_comment_author_IP', $comment->comment_author_IP);
 174  }
 175  
 176  /**
 177   * Display the IP address of the author of the current comment.
 178   *
 179   * @since 0.71
 180   * @see get_comment_author_IP() Echos Result
 181   */
 182  function comment_author_IP() {
 183      echo get_comment_author_IP();
 184  }
 185  
 186  /**
 187   * Retrieve the url of the author of the current comment.
 188   *
 189   * @since 1.5.0
 190   * @uses apply_filters() Calls 'get_comment_author_url' hook on the comment author's URL
 191   *
 192   * @return string
 193   */
 194  function get_comment_author_url() {
 195      global $comment;
 196      $url = ('http://' == $comment->comment_author_url) ? '' : $comment->comment_author_url;
 197      $url = esc_url( $url, array('http', 'https') );
 198      return apply_filters('get_comment_author_url', $url);
 199  }
 200  
 201  /**
 202   * Display the url of the author of the current comment.
 203   *
 204   * @since 0.71
 205   * @uses apply_filters()
 206   * @uses get_comment_author_url() Retrieves the comment author's URL
 207   */
 208  function comment_author_url() {
 209      echo apply_filters('comment_url', get_comment_author_url());
 210  }
 211  
 212  /**
 213   * Retrieves the HTML link of the url of the author of the current comment.
 214   *
 215   * $linktext parameter is only used if the URL does not exist for the comment
 216   * author. If the URL does exist then the URL will be used and the $linktext
 217   * will be ignored.
 218   *
 219   * Encapsulate the HTML link between the $before and $after. So it will appear
 220   * in the order of $before, link, and finally $after.
 221   *
 222   * @since 1.5.0
 223   * @uses apply_filters() Calls the 'get_comment_author_url_link' on the complete HTML before returning.
 224   *
 225   * @param string $linktext The text to display instead of the comment author's email address
 226   * @param string $before The text or HTML to display before the email link.
 227   * @param string $after The text or HTML to display after the email link.
 228   * @return string The HTML link between the $before and $after parameters
 229   */
 230  function get_comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
 231      $url = get_comment_author_url();
 232      $display = ($linktext != '') ? $linktext : $url;
 233      $display = str_replace( 'http://www.', '', $display );
 234      $display = str_replace( 'http://', '', $display );
 235      if ( '/' == substr($display, -1) )
 236          $display = substr($display, 0, -1);
 237      $return = "$before<a href='$url' rel='external'>$display</a>$after";
 238      return apply_filters('get_comment_author_url_link', $return);
 239  }
 240  
 241  /**
 242   * Displays the HTML link of the url of the author of the current comment.
 243   *
 244   * @since 0.71
 245   * @see get_comment_author_url_link() Echos result
 246   *
 247   * @param string $linktext The text to display instead of the comment author's email address
 248   * @param string $before The text or HTML to display before the email link.
 249   * @param string $after The text or HTML to display after the email link.
 250   */
 251  function comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
 252      echo get_comment_author_url_link( $linktext, $before, $after );
 253  }
 254  
 255  /**
 256   * Generates semantic classes for each comment element
 257   *
 258   * @since 2.7.0
 259   *
 260   * @param string|array $class One or more classes to add to the class list
 261   * @param int $comment_id An optional comment ID
 262   * @param int $post_id An optional post ID
 263   * @param bool $echo Whether comment_class should echo or return
 264   */
 265  function comment_class( $class = '', $comment_id = null, $post_id = null, $echo = true ) {
 266      // Separates classes with a single space, collates classes for comment DIV
 267      $class = 'class="' . join( ' ', get_comment_class( $class, $comment_id, $post_id ) ) . '"';
 268      if ( $echo)
 269          echo $class;
 270      else
 271          return $class;
 272  }
 273  
 274  /**
 275   * Returns the classes for the comment div as an array
 276   *
 277   * @since 2.7.0
 278   *
 279   * @param string|array $class One or more classes to add to the class list
 280   * @param int $comment_id An optional comment ID
 281   * @param int $post_id An optional post ID
 282   * @return array Array of classes
 283   */
 284  function get_comment_class( $class = '', $comment_id = null, $post_id = null ) {
 285      global $comment_alt, $comment_depth, $comment_thread_alt;
 286  
 287      $comment = get_comment($comment_id);
 288  
 289      $classes = array();
 290  
 291      // Get the comment type (comment, trackback),
 292      $classes[] = ( empty( $comment->comment_type ) ) ? 'comment' : $comment->comment_type;
 293  
 294      // If the comment author has an id (registered), then print the log in name
 295      if ( $comment->user_id > 0 && $user = get_userdata($comment->user_id) ) {
 296          // For all registered users, 'byuser'
 297          $classes[] = 'byuser';
 298          $classes[] = 'comment-author-' . sanitize_html_class($user->user_nicename, $comment->user_id);
 299          // For comment authors who are the author of the post
 300          if ( $post = get_post($post_id) ) {
 301              if ( $comment->user_id === $post->post_author )
 302                  $classes[] = 'bypostauthor';
 303          }
 304      }
 305  
 306      if ( empty($comment_alt) )
 307          $comment_alt = 0;
 308      if ( empty($comment_depth) )
 309          $comment_depth = 1;
 310      if ( empty($comment_thread_alt) )
 311          $comment_thread_alt = 0;
 312  
 313      if ( $comment_alt % 2 ) {
 314          $classes[] = 'odd';
 315          $classes[] = 'alt';
 316      } else {
 317          $classes[] = 'even';
 318      }
 319  
 320      $comment_alt++;
 321  
 322      // Alt for top-level comments
 323      if ( 1 == $comment_depth ) {
 324          if ( $comment_thread_alt % 2 ) {
 325              $classes[] = 'thread-odd';
 326              $classes[] = 'thread-alt';
 327          } else {
 328              $classes[] = 'thread-even';
 329          }
 330          $comment_thread_alt++;
 331      }
 332  
 333      $classes[] = "depth-$comment_depth";
 334  
 335      if ( !empty($class) ) {
 336          if ( !is_array( $class ) )
 337              $class = preg_split('#\s+#', $class);
 338          $classes = array_merge($classes, $class);
 339      }
 340  
 341      return apply_filters('comment_class', $classes, $class, $comment_id, $post_id);
 342  }
 343  
 344  /**
 345   * Retrieve the comment date of the current comment.
 346   *
 347   * @since 1.5.0
 348   * @uses apply_filters() Calls 'get_comment_date' hook with the formated date and the $d parameter respectively
 349   * @uses $comment
 350   *
 351   * @param string $d The format of the date (defaults to user's config)
 352   * @return string The comment's date
 353   */
 354  function get_comment_date( $d = '' ) {
 355      global $comment;
 356      if ( '' == $d )
 357          $date = mysql2date(get_option('date_format'), $comment->comment_date);
 358      else
 359          $date = mysql2date($d, $comment->comment_date);
 360      return apply_filters('get_comment_date', $date, $d);
 361  }
 362  
 363  /**
 364   * Display the comment date of the current comment.
 365   *
 366   * @since 0.71
 367   *
 368   * @param string $d The format of the date (defaults to user's config)
 369   */
 370  function comment_date( $d = '' ) {
 371      echo get_comment_date( $d );
 372  }
 373  
 374  /**
 375   * Retrieve the excerpt of the current comment.
 376   *
 377   * Will cut each word and only output the first 20 words with '...' at the end.
 378   * If the word count is less than 20, then no truncating is done and no '...'
 379   * will appear.
 380   *
 381   * @since 1.5.0
 382   * @uses $comment
 383   * @uses apply_filters() Calls 'get_comment_excerpt' on truncated comment
 384   *
 385   * @return string The maybe truncated comment with 20 words or less
 386   */
 387  function get_comment_excerpt() {
 388      global $comment;
 389      $comment_text = strip_tags($comment->comment_content);
 390      $blah = explode(' ', $comment_text);
 391      if (count($blah) > 20) {
 392          $k = 20;
 393          $use_dotdotdot = 1;
 394      } else {
 395          $k = count($blah);
 396          $use_dotdotdot = 0;
 397      }
 398      $excerpt = '';
 399      for ($i=0; $i<$k; $i++) {
 400          $excerpt .= $blah[$i] . ' ';
 401      }
 402      $excerpt .= ($use_dotdotdot) ? '...' : '';
 403      return apply_filters('get_comment_excerpt', $excerpt);
 404  }
 405  
 406  /**
 407   * Display the excerpt of the current comment.
 408   *
 409   * @since 1.2.0
 410   * @uses apply_filters() Calls 'comment_excerpt' hook before displaying excerpt
 411   */
 412  function comment_excerpt() {
 413      echo apply_filters('comment_excerpt', get_comment_excerpt() );
 414  }
 415  
 416  /**
 417   * Retrieve the comment id of the current comment.
 418   *
 419   * @since 1.5.0
 420   * @uses $comment
 421   * @uses apply_filters() Calls the 'get_comment_ID' hook for the comment ID
 422   *
 423   * @return int The comment ID
 424   */
 425  function get_comment_ID() {
 426      global $comment;
 427      return apply_filters('get_comment_ID', $comment->comment_ID);
 428  }
 429  
 430  /**
 431   * Displays the comment id of the current comment.
 432   *
 433   * @since 0.71
 434   * @see get_comment_ID() Echos Result
 435   */
 436  function comment_ID() {
 437      echo get_comment_ID();
 438  }
 439  
 440  /**
 441   * Retrieve the link to a given comment.
 442   *
 443   * @since 1.5.0
 444   * @uses $comment
 445   *
 446   * @param object|string|int $comment Comment to retrieve.
 447   * @param array $args Optional args.
 448   * @return string The permalink to the given comment.
 449   */
 450  function get_comment_link( $comment = null, $args = array() ) {
 451      global $wp_rewrite, $in_comment_loop;
 452  
 453      $comment = get_comment($comment);
 454  
 455      // Backwards compat
 456      if ( !is_array($args) ) {
 457          $page = $args;
 458          $args = array();
 459          $args['page'] = $page;
 460      }
 461  
 462      $defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' );
 463      $args = wp_parse_args( $args, $defaults );
 464  
 465      if ( '' === $args['per_page'] && get_option('page_comments') )
 466          $args['per_page'] = get_option('comments_per_page');
 467  
 468      if ( empty($args['per_page']) ) {
 469          $args['per_page'] = 0;
 470          $args['page'] = 0;
 471      }
 472  
 473      if ( $args['per_page'] ) {
 474          if ( '' == $args['page'] )
 475              $args['page'] = ( !empty($in_comment_loop) ) ? get_query_var('cpage') : get_page_of_comment( $comment->comment_ID, $args );
 476  
 477          if ( $wp_rewrite->using_permalinks() )
 478              $link = user_trailingslashit( trailingslashit( get_permalink( $comment->comment_post_ID ) ) . 'comment-page-' . $args['page'], 'comment' );
 479          else
 480              $link = add_query_arg( 'cpage', $args['page'], get_permalink( $comment->comment_post_ID ) );
 481      } else {
 482          $link = get_permalink( $comment->comment_post_ID );
 483      }
 484  
 485      return apply_filters( 'get_comment_link', $link . '#comment-' . $comment->comment_ID, $comment, $args );
 486  }
 487  
 488  /**
 489   * Retrieves the link to the current post comments.
 490   *
 491   * @since 1.5.0
 492   *
 493   * @return string The link to the comments
 494   */
 495  function get_comments_link() {
 496      return get_permalink() . '#comments';
 497  }
 498  
 499  /**
 500   * Displays the link to the current post comments.
 501   *
 502   * @since 0.71
 503   *
 504   * @param string $deprecated Not Used
 505   * @param bool $deprecated Not Used
 506   */
 507  function comments_link( $deprecated = '', $deprecated = '' ) {
 508      echo get_comments_link();
 509  }
 510  
 511  /**
 512   * Retrieve the amount of comments a post has.
 513   *
 514   * @since 1.5.0
 515   * @uses apply_filters() Calls the 'get_comments_number' hook on the number of comments
 516   *
 517   * @param int $post_id The Post ID
 518   * @return int The number of comments a post has
 519   */
 520  function get_comments_number( $post_id = 0 ) {
 521      global $id;
 522      $post_id = (int) $post_id;
 523  
 524      if ( !$post_id )
 525          $post_id = (int) $id;
 526  
 527      $post = get_post($post_id);
 528      if ( ! isset($post->comment_count) )
 529          $count = 0;
 530      else
 531          $count = $post->comment_count;
 532  
 533      return apply_filters('get_comments_number', $count);
 534  }
 535  
 536  /**
 537   * Display the language string for the number of comments the current post has.
 538   *
 539   * @since 0.71
 540   * @uses $id
 541   * @uses apply_filters() Calls the 'comments_number' hook on the output and number of comments respectively.
 542   *
 543   * @param string $zero Text for no comments
 544   * @param string $one Text for one comment
 545   * @param string $more Text for more than one comment
 546   * @param string $deprecated Not used.
 547   */
 548  function comments_number( $zero = false, $one = false, $more = false, $deprecated = '' ) {
 549      global $id;
 550      $number = get_comments_number($id);
 551  
 552      if ( $number > 1 )
 553          $output = str_replace('%', number_format_i18n($number), ( false === $more ) ? __('% Comments') : $more);
 554      elseif ( $number == 0 )
 555          $output = ( false === $zero ) ? __('No Comments') : $zero;
 556      else // must be one
 557          $output = ( false === $one ) ? __('1 Comment') : $one;
 558  
 559      echo apply_filters('comments_number', $output, $number);
 560  }
 561  
 562  /**
 563   * Retrieve the text of the current comment.
 564   *
 565   * @since 1.5.0
 566   * @uses $comment
 567   *
 568   * @return string The comment content
 569   */
 570  function get_comment_text() {
 571      global $comment;
 572      return apply_filters('get_comment_text', $comment->comment_content);
 573  }
 574  
 575  /**
 576   * Displays the text of the current comment.
 577   *
 578   * @since 0.71
 579   * @uses apply_filters() Passes the comment content through the 'comment_text' hook before display
 580   * @uses get_comment_text() Gets the comment content
 581   */
 582  function comment_text() {
 583      echo apply_filters('comment_text', get_comment_text() );
 584  }
 585  
 586  /**
 587   * Retrieve the comment time of the current comment.
 588   *
 589   * @since 1.5.0
 590   * @uses $comment
 591   * @uses apply_filter() Calls 'get_comment_time' hook with the formatted time, the $d parameter, and $gmt parameter passed.
 592   *
 593   * @param string $d Optional. The format of the time (defaults to user's config)
 594   * @param bool $gmt Whether to use the GMT date
 595   * @param bool $translate Whether to translate the time (for use in feeds)
 596   * @return string The formatted time
 597   */
 598  function get_comment_time( $d = '', $gmt = false, $translate = true ) {
 599      global $comment;
 600      $comment_date = $gmt? $comment->comment_date_gmt : $comment->comment_date;
 601      if ( '' == $d )
 602          $date = mysql2date(get_option('time_format'), $comment_date, $translate);
 603      else
 604          $date = mysql2date($d, $comment_date, $translate);
 605      return apply_filters('get_comment_time', $date, $d, $gmt);
 606  }
 607  
 608  /**
 609   * Display the comment time of the current comment.
 610   *
 611   * @since 0.71
 612   *
 613   * @param string $d Optional. The format of the time (defaults to user's config)
 614   */
 615  function comment_time( $d = '' ) {
 616      echo get_comment_time($d);
 617  }
 618  
 619  /**
 620   * Retrieve the comment type of the current comment.
 621   *
 622   * @since 1.5.0
 623   * @uses $comment
 624   * @uses apply_filters() Calls the 'get_comment_type' hook on the comment type
 625   *
 626   * @return string The comment type
 627   */
 628  function get_comment_type() {
 629      global $comment;
 630  
 631      if ( '' == $comment->comment_type )
 632          $comment->comment_type = 'comment';
 633  
 634      return apply_filters('get_comment_type', $comment->comment_type);
 635  }
 636  
 637  /**
 638   * Display the comment type of the current comment.
 639   *
 640   * @since 0.71
 641   *
 642   * @param string $commenttxt The string to display for comment type
 643   * @param string $trackbacktxt The string to display for trackback type
 644   * @param string $pingbacktxt The string to display for pingback type
 645   */
 646  function comment_type($commenttxt = false, $trackbacktxt = false, $pingbacktxt = false) {
 647      if ( false === $commenttxt ) $commenttxt = _x( 'Comment', 'noun' );
 648      if ( false === $trackbacktxt ) $trackbacktxt = __( 'Trackback' );
 649      if ( false === $pingbacktxt ) $pingbacktxt = __( 'Pingback' );
 650      $type = get_comment_type();
 651      switch( $type ) {
 652          case 'trackback' :
 653              echo $trackbacktxt;
 654              break;
 655          case 'pingback' :
 656              echo $pingbacktxt;
 657              break;
 658          default :
 659              echo $commenttxt;
 660      }
 661  }
 662  
 663  /**
 664   * Retrieve The current post's trackback URL.
 665   *
 666   * There is a check to see if permalink's have been enabled and if so, will
 667   * retrieve the pretty path. If permalinks weren't enabled, the ID of the
 668   * current post is used and appended to the correct page to go to.
 669   *
 670   * @since 1.5.0
 671   * @uses apply_filters() Calls 'trackback_url' on the resulting trackback URL
 672   * @uses $id
 673   *
 674   * @return string The trackback URL after being filtered
 675   */
 676  function get_trackback_url() {
 677      global $id;
 678      if ( '' != get_option('permalink_structure') ) {
 679          $tb_url = trailingslashit(get_permalink()) . user_trailingslashit('trackback', 'single_trackback');
 680      } else {
 681          $tb_url = get_option('siteurl') . '/wp-trackback.php?p=' . $id;
 682      }
 683      return apply_filters('trackback_url', $tb_url);
 684  }
 685  
 686  /**
 687   * Displays the current post's trackback URL.
 688   *
 689   * @since 0.71
 690   * @uses get_trackback_url() Gets the trackback url for the current post
 691   *
 692   * @param bool $deprecated Remove backwards compat in 2.5
 693   * @return void|string Should only be used to echo the trackback URL, use get_trackback_url() for the result instead.
 694   */
 695  function trackback_url($deprecated = true) {
 696      if ($deprecated) echo get_trackback_url();
 697      else return get_trackback_url();
 698  }
 699  
 700  /**
 701   * Generates and displays the RDF for the trackback information of current post.
 702   *
 703   * @since 0.71
 704   *
 705   * @param int $deprecated Not used (Was $timezone = 0)
 706   */
 707  function trackback_rdf($deprecated = '') {
 708      if (stripos($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator') === false) {
 709          echo '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
 710                  xmlns:dc="http://purl.org/dc/elements/1.1/"
 711                  xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/">
 712              <rdf:Description rdf:about="';
 713          the_permalink();
 714          echo '"'."\n";
 715          echo '    dc:identifier="';
 716          the_permalink();
 717          echo '"'."\n";
 718          echo '    dc:title="'.str_replace('--', '&#x2d;&#x2d;', wptexturize(strip_tags(get_the_title()))).'"'."\n";
 719          echo '    trackback:ping="'.get_trackback_url().'"'." />\n";
 720          echo '</rdf:RDF>';
 721      }
 722  }
 723  
 724  /**
 725   * Whether the current post is open for comments.
 726   *
 727   * @since 1.5.0
 728   * @uses $post
 729   *
 730   * @param int $post_id An optional post ID to check instead of the current post.
 731   * @return bool True if the comments are open
 732   */
 733  function comments_open( $post_id=NULL ) {
 734  
 735      $_post = get_post($post_id);
 736  
 737      $open = ( 'open' == $_post->comment_status );
 738      return apply_filters( 'comments_open', $open, $post_id );
 739  }
 740  
 741  /**
 742   * Whether the current post is open for pings.
 743   *
 744   * @since 1.5.0
 745   * @uses $post
 746   *
 747   * @param int $post_id An optional post ID to check instead of the current post.
 748   * @return bool True if pings are accepted
 749   */
 750  function pings_open( $post_id = NULL ) {
 751  
 752      $_post = get_post($post_id);
 753  
 754      $open = ( 'open' == $_post->ping_status );
 755      return apply_filters( 'pings_open', $open, $post_id );
 756  }
 757  
 758  /**
 759   * Displays form token for unfiltered comments.
 760   *
 761   * Will only display nonce token if the current user has permissions for
 762   * unfiltered html. Won't display the token for other users.
 763   *
 764   * The function was backported to 2.0.10 and was added to versions 2.1.3 and
 765   * above. Does not exist in versions prior to 2.0.10 in the 2.0 branch and in
 766   * the 2.1 branch, prior to 2.1.3. Technically added in 2.2.0.
 767   *
 768   * Backported to 2.0.10.
 769   *
 770   * @since 2.1.3
 771   * @uses $post Gets the ID of the current post for the token
 772   */
 773  function wp_comment_form_unfiltered_html_nonce() {
 774      global $post;
 775  
 776      $post_id = 0;
 777      if ( !empty($post) )
 778          $post_id = $post->ID;
 779  
 780      if ( current_user_can('unfiltered_html') )
 781          wp_nonce_field('unfiltered-html-comment_' . $post_id, '_wp_unfiltered_html_comment', false);
 782  }
 783  
 784  /**
 785   * Loads the comment template specified in $file.
 786   *
 787   * Will not display the comments template if not on single post or page, or if
 788   * the post does not have comments.
 789   *
 790   * Uses the WordPress database object to query for the comments. The comments
 791   * are passed through the 'comments_array' filter hook with the list of comments
 792   * and the post ID respectively.
 793   *
 794   * The $file path is passed through a filter hook called, 'comments_template'
 795   * which includes the TEMPLATEPATH and $file combined. Tries the $filtered path
 796   * first and if it fails it will require the default comment themplate from the
 797   * default theme. If either does not exist, then the WordPress process will be
 798   * halted. It is advised for that reason, that the default theme is not deleted.
 799   *
 800   * @since 1.5.0
 801   * @global array $comment List of comment objects for the current post
 802   * @uses $wpdb
 803   * @uses $id
 804   * @uses $post
 805   * @uses $withcomments Will not try to get the comments if the post has none.
 806   *
 807   * @param string $file Optional, default '/comments.php'. The file to load
 808   * @param bool $separate_comments Optional, whether to separate the comments by comment type. Default is false.
 809   * @return null Returns null if no comments appear
 810   */
 811  function comments_template( $file = '/comments.php', $separate_comments = false ) {
 812      global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_ID, $user_identity, $overridden_cpage;
 813  
 814      if ( ! (is_single() || is_page() || $withcomments) )
 815          return;
 816  
 817      if ( empty($file) )
 818          $file = '/comments.php';
 819  
 820      $req = get_option('require_name_email');
 821  
 822      /**
 823       * Comment author information fetched from the comment cookies.
 824       *
 825       * @uses wp_get_current_commenter()
 826       */
 827      $commenter = wp_get_current_commenter();
 828  
 829      /**
 830       * The name of the current comment author escaped for use in attributes.
 831       */
 832      $comment_author = $commenter['comment_author']; // Escaped by sanitize_comment_cookies()
 833  
 834      /**
 835       * The email address of the current comment author escaped for use in attributes.
 836       */    
 837      $comment_author_email = $commenter['comment_author_email'];  // Escaped by sanitize_comment_cookies()
 838  
 839      /**
 840       * The url of the current comment author escaped for use in attributes.
 841       */    
 842      $comment_author_url = esc_url($commenter['comment_author_url']);
 843  
 844      /** @todo Use API instead of SELECTs. */
 845      if ( $user_ID) {
 846          $comments = $wpdb->get_results($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND (comment_approved = '1' OR ( user_id = %d AND comment_approved = '0' ) )  ORDER BY comment_date_gmt", $post->ID, $user_ID));
 847      } else if ( empty($comment_author) ) {
 848          $comments = get_comments( array('post_id' => $post->ID, 'status' => 'approve', 'order' => 'ASC') );
 849      } else {
 850          $comments = $wpdb->get_results($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND ( comment_approved = '1' OR ( comment_author = %s AND comment_author_email = %s AND comment_approved = '0' ) ) ORDER BY comment_date_gmt", $post->ID, wp_specialchars_decode($comment_author,ENT_QUOTES), $comment_author_email));
 851      }
 852  
 853      // keep $comments for legacy's sake
 854      $wp_query->comments = apply_filters( 'comments_array', $comments, $post->ID );
 855      $comments = &$wp_query->comments;
 856      $wp_query->comment_count = count($wp_query->comments);
 857      update_comment_cache($wp_query->comments);
 858  
 859      if ( $separate_comments ) {
 860          $wp_query->comments_by_type = &separate_comments($comments);
 861          $comments_by_type = &$wp_query->comments_by_type;
 862      }
 863  
 864      $overridden_cpage = FALSE;
 865      if ( '' == get_query_var('cpage') && get_option('page_comments') ) {
 866          set_query_var( 'cpage', 'newest' == get_option('default_comments_page') ? get_comment_pages_count() : 1 );
 867          $overridden_cpage = TRUE;
 868      }
 869  
 870      if ( !defined('COMMENTS_TEMPLATE') || !COMMENTS_TEMPLATE)
 871          define('COMMENTS_TEMPLATE', true);
 872  
 873      $include = apply_filters('comments_template', STYLESHEETPATH . $file );
 874      if ( file_exists( $include ) )
 875          require( $include );
 876      elseif ( file_exists( TEMPLATEPATH . $file ) )
 877          require( TEMPLATEPATH .  $file );
 878      else
 879          require( get_theme_root() . '/default/comments.php');
 880  }
 881  
 882  /**
 883   * Displays the JS popup script to show a comment.
 884   *
 885   * If the $file parameter is empty, then the home page is assumed. The defaults
 886   * for the window are 400px by 400px.
 887   *
 888   * For the comment link popup to work, this function has to be called or the
 889   * normal comment link will be assumed.
 890   *
 891   * @since 0.71
 892   * @global string $wpcommentspopupfile The URL to use for the popup window
 893   * @global int $wpcommentsjavascript Whether to use JavaScript or not. Set when function is called
 894   *
 895   * @param int $width Optional. The width of the popup window
 896   * @param int $height Optional. The height of the popup window
 897   * @param string $file Optional. Sets the location of the popup window
 898   */
 899  function comments_popup_script($width=400, $height=400, $file='') {
 900      global $wpcommentspopupfile, $wpcommentsjavascript;
 901  
 902      if (empty ($file)) {
 903          $wpcommentspopupfile = '';  // Use the index.
 904      } else {
 905          $wpcommentspopupfile = $file;
 906      }
 907  
 908      $wpcommentsjavascript = 1;
 909      $javascript = "<script type='text/javascript'>\nfunction wpopen (macagna) {\n    window.open(macagna, '_blank', 'width=$width,height=$height,scrollbars=yes,status=yes');\n}\n</script>\n";
 910      echo $javascript;
 911  }
 912  
 913  /**
 914   * Displays the link to the comments popup window for the current post ID.
 915   *
 916   * Is not meant to be displayed on single posts and pages. Should be used on the
 917   * lists of posts
 918   *
 919   * @since 0.71
 920   * @uses $id
 921   * @uses $wpcommentspopupfile
 922   * @uses $wpcommentsjavascript
 923   * @uses $post
 924   *
 925   * @param string $zero The string to display when no comments
 926   * @param string $one The string to display when only one comment is available
 927   * @param string $more The string to display when there are more than one comment
 928   * @param string $css_class The CSS class to use for comments
 929   * @param string $none The string to display when comments have been turned off
 930   * @return null Returns null on single posts and pages.
 931   */
 932  function comments_popup_link( $zero = false, $one = false, $more = false, $css_class = '', $none = false ) {
 933      global $id, $wpcommentspopupfile, $wpcommentsjavascript, $post;
 934  
 935      if ( false === $zero ) $zero = __( 'No Comments' );
 936      if ( false === $one ) $one = __( '1 Comment' );
 937      if ( false === $more ) $more = __( '% Comments' );
 938      if ( false === $none ) $none = __( 'Comments Off' );
 939  
 940      $number = get_comments_number( $id );
 941  
 942      if ( 0 == $number && !comments_open() && !pings_open() ) {
 943          echo '<span' . ((!empty($css_class)) ? ' class="' . $css_class . '"' : '') . '>' . $none . '</span>';
 944          return;
 945      }
 946  
 947      if ( post_password_required() ) {
 948          echo __('Enter your password to view comments');
 949          return;
 950      }
 951  
 952      echo '<a href="';
 953      if ( $wpcommentsjavascript ) {
 954          if ( empty( $wpcommentspopupfile ) )
 955              $home = get_option('home');
 956          else
 957              $home = get_option('siteurl');
 958          echo $home . '/' . $wpcommentspopupfile . '?comments_popup=' . $id;
 959          echo '" onclick="wpopen(this.href); return false"';
 960      } else { // if comments_popup_script() is not in the template, display simple comment link
 961          if ( 0 == $number )
 962              echo get_permalink() . '#respond';
 963          else
 964              comments_link();
 965          echo '"';
 966      }
 967  
 968      if ( !empty( $css_class ) ) {
 969          echo ' class="'.$css_class.'" ';
 970      }
 971      $title = esc_attr( get_the_title() );
 972  
 973      echo apply_filters( 'comments_popup_link_attributes', '' );
 974  
 975      echo ' title="' . sprintf( __('Comment on %s'), $title ) . '">';
 976      comments_number( $zero, $one, $more, $number );
 977      echo '</a>';
 978  }
 979  
 980  /**
 981   * Retrieve HTML content for reply to comment link.
 982   *
 983   * The default arguments that can be override are 'add_below', 'respond_id',
 984   * 'reply_text', 'login_text', and 'depth'. The 'login_text' argument will be
 985   * used, if the user must log in or register first before posting a comment. The
 986   * 'reply_text' will be used, if they can post a reply. The 'add_below' and
 987   * 'respond_id' arguments are for the JavaScript moveAddCommentForm() function
 988   * parameters.
 989   *
 990   * @since 2.7.0
 991   *
 992   * @param array $args Optional. Override default options.
 993   * @param int $comment Optional. Comment being replied to.
 994   * @param int $post Optional. Post that the comment is going to be displayed on.
 995   * @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
 996   */
 997  function get_comment_reply_link($args = array(), $comment = null, $post = null) {
 998      global $user_ID;
 999  
1000      $defaults = array('add_below' => 'comment', 'respond_id' => 'respond', 'reply_text' => __('Reply'),
1001          'login_text' => __('Log in to Reply'), 'depth' => 0, 'before' => '', 'after' => '');
1002  
1003      $args = wp_parse_args($args, $defaults);
1004  
1005      if ( 0 == $args['depth'] || $args['max_depth'] <= $args['depth'] )
1006          return;
1007  
1008      extract($args, EXTR_SKIP);
1009  
1010      $comment = get_comment($comment);
1011      $post = get_post($post);
1012  
1013      if ( !comments_open($post->ID) )
1014          return false;
1015  
1016      $link = '';
1017  
1018      if ( get_option('comment_registration') && !$user_ID )
1019          $link = '<a rel="nofollow" class="comment-reply-login" href="' . esc_url( wp_login_url( get_permalink() ) ) . '">' . $login_text . '</a>';
1020      else
1021          $link = "<a rel='nofollow' class='comment-reply-link' href='" . esc_url( add_query_arg( 'replytocom', $comment->comment_ID ) ) . "#" . $respond_id . "' onclick='return addComment.moveForm(\"$add_below-$comment->comment_ID\", \"$comment->comment_ID\", \"$respond_id\", \"$post->ID\")'>$reply_text</a>";
1022      return apply_filters('comment_reply_link', $before . $link . $after, $args, $comment, $post);
1023  }
1024  
1025  /**
1026   * Displays the HTML content for reply to comment link.
1027   *
1028   * @since 2.7.0
1029   * @see get_comment_reply_link() Echoes result
1030   *
1031   * @param array $args Optional. Override default options.
1032   * @param int $comment Optional. Comment being replied to.
1033   * @param int $post Optional. Post that the comment is going to be displayed on.
1034   * @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
1035   */
1036  function comment_reply_link($args = array(), $comment = null, $post = null) {
1037      echo get_comment_reply_link($args, $comment, $post);
1038  }
1039  
1040  /**
1041   * Retrieve HTML content for reply to post link.
1042   *
1043   * The default arguments that can be override are 'add_below', 'respond_id',
1044   * 'reply_text', 'login_text', and 'depth'. The 'login_text' argument will be
1045   * used, if the user must log in or register first before posting a comment. The
1046   * 'reply_text' will be used, if they can post a reply. The 'add_below' and
1047   * 'respond_id' arguments are for the JavaScript moveAddCommentForm() function
1048   * parameters.
1049   *
1050   * @since 2.7.0
1051   *
1052   * @param array $args Optional. Override default options.
1053   * @param int|object $post Optional. Post that the comment is going to be displayed on.  Defaults to current post.
1054   * @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
1055   */
1056  function get_post_reply_link($args = array(), $post = null) {
1057      global $user_ID;
1058  
1059      $defaults = array('add_below' => 'post', 'respond_id' => 'respond', 'reply_text' => __('Leave a Comment'),
1060          'login_text' => __('Log in to leave a Comment'), 'before' => '', 'after' => '');
1061  
1062      $args = wp_parse_args($args, $defaults);
1063      extract($args, EXTR_SKIP);
1064      $post = get_post($post);
1065  
1066      if ( !comments_open($post->ID) )
1067          return false;
1068  
1069      if ( get_option('comment_registration') && !$user_ID ) {
1070          $link = '<a rel="nofollow" href="' . wp_login_url( get_permalink() ) . '">' . $login_text . '</a>';
1071      } else {
1072          $link = "<a rel='nofollow' class='comment-reply-link' href='" . get_permalink($post->ID) . "#$respond_id' onclick='return addComment.moveForm(\"$add_below-$post->ID\", \"0\", \"$respond_id\", \"$post->ID\")'>$reply_text</a>";
1073      }
1074      return apply_filters('post_comments_link', $before . $link . $after, $post);
1075  }
1076  
1077  /**
1078   * Displays the HTML content for reply to post link.
1079   * @since 2.7.0
1080   * @see get_post_reply_link()
1081   *
1082   * @param array $args Optional. Override default options.
1083   * @param int|object $post Optional. Post that the comment is going to be displayed on.
1084   * @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
1085   */
1086  function post_reply_link($args = array(), $post = null) {
1087      echo get_post_reply_link($args, $post);
1088  }
1089  
1090  /**
1091   * Retrieve HTML content for cancel comment reply link.
1092   *
1093   * @since 2.7.0
1094   *
1095   * @param string $text Optional. Text to display for cancel reply link.
1096   */
1097  function get_cancel_comment_reply_link($text = '') {
1098      if ( empty($text) )
1099          $text = __('Click here to cancel reply.');
1100  
1101      $style = isset($_GET['replytocom']) ? '' : ' style="display:none;"';
1102      $link = esc_html( remove_query_arg('replytocom') ) . '#respond';
1103      return apply_filters('cancel_comment_reply_link', '<a rel="nofollow" id="cancel-comment-reply-link" href="' . $link . '"' . $style . '>' . $text . '</a>', $link, $text);
1104  }
1105  
1106  /**
1107   * Display HTML content for cancel comment reply link.
1108   *
1109   * @since 2.7.0
1110   *
1111   * @param string $text Optional. Text to display for cancel reply link.
1112   */
1113  function cancel_comment_reply_link($text = '') {
1114      echo get_cancel_comment_reply_link($text);
1115  }
1116  
1117  /**
1118   * Output hidden input HTML for replying to comments.
1119   *
1120   * @since 2.7.0
1121   */
1122  function comment_id_fields() {
1123      global $id;
1124  
1125      $replytoid = isset($_GET['replytocom']) ? (int) $_GET['replytocom'] : 0;
1126      echo "<input type='hidden' name='comment_post_ID' value='$id' id='comment_post_ID' />\n";
1127      echo "<input type='hidden' name='comment_parent' id='comment_parent' value='$replytoid' />\n";
1128  }
1129  
1130  /**
1131   * Display text based on comment reply status. Only affects users with Javascript disabled.
1132   *
1133   * @since 2.7.0
1134   *
1135   * @param string $noreplytext Optional. Text to display when not replying to a comment.
1136   * @param string $replytext Optional. Text to display when replying to a comment. Accepts "%s" for the author of the comment being replied to.
1137   * @param string $linktoparent Optional. Boolean to control making the author's name a link to their comment.
1138   */
1139  function comment_form_title( $noreplytext = false, $replytext = false, $linktoparent = TRUE ) {
1140      global $comment;
1141  
1142      if ( false === $noreplytext ) $noreplytext = __( 'Leave a Reply' );
1143      if ( false === $replytext ) $replytext = __( 'Leave a Reply to %s' );
1144  
1145      $replytoid = isset($_GET['replytocom']) ? (int) $_GET['replytocom'] : 0;
1146  
1147      if ( 0 == $replytoid )
1148          echo $noreplytext;
1149      else {
1150          $comment = get_comment($replytoid);
1151          $author = ( $linktoparent ) ? '<a href="#comment-' . get_comment_ID() . '">' . get_comment_author() . '</a>' : get_comment_author();
1152          printf( $replytext, $author );
1153      }
1154  }
1155  
1156  /**
1157   * HTML comment list class.
1158   *
1159   * @package WordPress
1160   * @uses Walker
1161   * @since unknown
1162   */
1163  class Walker_Comment extends Walker {
1164      /**
1165       * @see Walker::$tree_type
1166       * @since unknown
1167       * @var string
1168       */
1169      var $tree_type = 'comment';
1170  
1171      /**
1172       * @see Walker::$db_fields
1173       * @since unknown
1174       * @var array
1175       */
1176      var $db_fields = array ('parent' => 'comment_parent', 'id' => 'comment_ID');
1177  
1178      /**
1179       * @see Walker::start_lvl()
1180       * @since unknown
1181       *
1182       * @param string $output Passed by reference. Used to append additional content.
1183       * @param int $depth Depth of comment.
1184       * @param array $args Uses 'style' argument for type of HTML list.
1185       */
1186  	function start_lvl(&$output, $depth, $args) {
1187          $GLOBALS['comment_depth'] = $depth + 1;
1188  
1189          switch ( $args['style'] ) {
1190              case 'div':
1191                  break;
1192              case 'ol':
1193                  echo "<ol class='children'>\n";
1194                  break;
1195              default:
1196              case 'ul':
1197                  echo "<ul class='children'>\n";
1198                  break;
1199          }
1200      }
1201  
1202      /**
1203       * @see Walker::end_lvl()
1204       * @since unknown
1205       *
1206       * @param string $output Passed by reference. Used to append additional content.
1207       * @param int $depth Depth of comment.
1208       * @param array $args Will only append content if style argument value is 'ol' or 'ul'.
1209       */
1210  	function end_lvl(&$output, $depth, $args) {
1211          $GLOBALS['comment_depth'] = $depth + 1;
1212  
1213          switch ( $args['style'] ) {
1214              case 'div':
1215                  break;
1216              case 'ol':
1217                  echo "</ol>\n";
1218                  break;
1219              default:
1220              case 'ul':
1221                  echo "</ul>\n";
1222                  break;
1223          }
1224      }
1225  
1226      /**
1227       * @see Walker::start_el()
1228       * @since unknown
1229       *
1230       * @param string $output Passed by reference. Used to append additional content.
1231       * @param object $comment Comment data object.
1232       * @param int $depth Depth of comment in reference to parents.
1233       * @param array $args
1234       */
1235  	function start_el(&$output, $comment, $depth, $args) {
1236          $depth++;
1237          $GLOBALS['comment_depth'] = $depth;
1238  
1239          if ( !empty($args['callback']) ) {
1240              call_user_func($args['callback'], $comment, $args, $depth);
1241              return;
1242          }
1243  
1244          $GLOBALS['comment'] = $comment;
1245          extract($args, EXTR_SKIP);
1246  
1247          if ( 'div' == $args['style'] ) {
1248              $tag = 'div';
1249              $add_below = 'comment';
1250          } else {
1251              $tag = 'li';
1252              $add_below = 'div-comment';
1253          }
1254  ?>
1255          <<?php echo $tag ?> <?php comment_class(empty( $args['has_children'] ) ? '' : 'parent') ?> id="comment-<?php comment_ID() ?>">
1256          <?php if ( 'ul' == $args['style'] ) : ?>
1257          <div id="div-comment-<?php comment_ID() ?>" class="comment-body">
1258          <?php endif; ?>
1259          <div class="comment-author vcard">
1260          <?php if ($args['avatar_size'] != 0) echo get_avatar( $comment, $args['avatar_size'] ); ?>
1261          <?php printf(__('<cite class="fn">%s</cite> <span class="says">says:</span>'), get_comment_author_link()) ?>
1262          </div>
1263  <?php if ($comment->comment_approved == '0') : ?>
1264          <em><?php _e('Your comment is awaiting moderation.') ?></em>
1265          <br />
1266  <?php endif; ?>
1267  
1268          <div class="comment-meta commentmetadata"><a href="<?php echo htmlspecialchars( get_comment_link( $comment->comment_ID ) ) ?>"><?php printf(__('%1$s at %2$s'), get_comment_date(),  get_comment_time()) ?></a><?php edit_comment_link(__('(Edit)'),'&nbsp;&nbsp;','') ?></div>
1269  
1270          <?php comment_text() ?>
1271  
1272          <div class="reply">
1273          <?php comment_reply_link(array_merge( $args, array('add_below' => $add_below, 'depth' => $depth, 'max_depth' => $args['max_depth']))) ?>
1274          </div>
1275          <?php if ( 'ul' == $args['style'] ) : ?>
1276          </div>
1277          <?php endif; ?>
1278  <?php
1279      }
1280  
1281      /**
1282       * @see Walker::end_el()
1283       * @since unknown
1284       *
1285       * @param string $output Passed by reference. Used to append additional content.
1286       * @param object $comment
1287       * @param int $depth Depth of comment.
1288       * @param array $args
1289       */
1290  	function end_el(&$output, $comment, $depth, $args) {
1291          if ( !empty($args['end-callback']) ) {
1292              call_user_func($args['end-callback'], $comment, $args, $depth);
1293              return;
1294          }
1295          if ( 'div' == $args['style'] )
1296              echo "</div>\n";
1297          else
1298              echo "</li>\n";
1299      }
1300  
1301  }
1302  
1303  /**
1304   * List comments
1305   *
1306   * Used in the comments.php template to list comments for a particular post
1307   *
1308   * @since 2.7.0
1309   * @uses Walker_Comment
1310   *
1311   * @param string|array $args Formatting options
1312   * @param array $comments Optional array of comment objects.  Defaults to $wp_query->comments
1313   */
1314  function wp_list_comments($args = array(), $comments = null ) {
1315      global $wp_query, $comment_alt, $comment_depth, $comment_thread_alt, $overridden_cpage, $in_comment_loop;
1316  
1317      $in_comment_loop = true;
1318  
1319      $comment_alt = $comment_thread_alt = 0;
1320      $comment_depth = 1;
1321  
1322      $defaults = array('walker' => null, 'max_depth' => '', 'style' => 'ul', 'callback' => null, 'end-callback' => null, 'type' => 'all',
1323          'page' => '', 'per_page' => '', 'avatar_size' => 32, 'reverse_top_level' => null, 'reverse_children' => '');
1324  
1325      $r = wp_parse_args( $args, $defaults );
1326  
1327      // Figure out what comments we'll be looping through ($_comments)
1328      if ( null !== $comments ) {
1329          $comments = (array) $comments;
1330          if ( empty($comments) )
1331              return;
1332          if ( 'all' != $r['type'] ) {
1333              $comments_by_type = &separate_comments($comments);
1334              if ( empty($comments_by_type[$r['type']]) )
1335                  return;
1336              $_comments = $comments_by_type[$r['type']];
1337          } else {
1338              $_comments = $comments;
1339          }
1340      } else {
1341          if ( empty($wp_query->comments) )
1342              return;
1343          if ( 'all' != $r['type'] ) {
1344              if ( empty($wp_query->comments_by_type) )
1345                  $wp_query->comments_by_type = &separate_comments($wp_query->comments);
1346              if ( empty($wp_query->comments_by_type[$r['type']]) )
1347                  return;
1348              $_comments = $wp_query->comments_by_type[$r['type']];
1349          } else {
1350              $_comments = $wp_query->comments;
1351          }
1352      }
1353  
1354      if ( '' === $r['per_page'] && get_option('page_comments') )
1355          $r['per_page'] = get_query_var('comments_per_page');
1356  
1357      if ( empty($r['per_page']) ) {
1358          $r['per_page'] = 0;
1359          $r['page'] = 0;
1360      }
1361  
1362      if ( '' === $r['max_depth'] ) {
1363          if ( get_option('thread_comments') )
1364              $r['max_depth'] = get_option('thread_comments_depth');
1365          else
1366              $r['max_depth'] = -1;
1367      }
1368  
1369      if ( '' === $r['page'] ) {
1370          if ( empty($overridden_cpage) ) {
1371              $r['page'] = get_query_var('cpage');
1372          } else {
1373              $threaded = ( -1 == $r['max_depth'] ) ? false : true;
1374              $r['page'] = ( 'newest' == get_option('default_comments_page') ) ? get_comment_pages_count($_comments, $r['per_page'], $threaded) : 1;
1375              set_query_var( 'cpage', $r['page'] );
1376          }
1377      }
1378      // Validation check
1379      $r['page'] = intval($r['page']);
1380      if ( 0 == $r['page'] && 0 != $r['per_page'] )
1381          $r['page'] = 1;
1382  
1383      if ( null === $r['reverse_top_level'] )
1384          $r['reverse_top_level'] = ( 'desc' == get_option('comment_order') ) ? TRUE : FALSE;
1385  
1386      extract( $r, EXTR_SKIP );
1387  
1388      if ( empty($walker) )
1389          $walker = new Walker_Comment;
1390  
1391      $walker->paged_walk($_comments, $max_depth, $page, $per_page, $r);
1392      $wp_query->max_num_comment_pages = $walker->max_pages;
1393  
1394      $in_comment_loop = false;
1395  }
1396  
1397  ?>


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