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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      $classes = array_map('esc_attr', $classes);
 342  
 343      return apply_filters('comment_class', $classes, $class, $comment_id, $post_id);
 344  }
 345  
 346  /**
 347   * Retrieve the comment date of the current comment.
 348   *
 349   * @since 1.5.0
 350   * @uses apply_filters() Calls 'get_comment_date' hook with the formated date and the $d parameter respectively
 351   * @uses $comment
 352   *
 353   * @param string $d The format of the date (defaults to user's config)
 354   * @return string The comment's date
 355   */
 356  function get_comment_date( $d = '' ) {
 357      global $comment;
 358      if ( '' == $d )
 359          $date = mysql2date(get_option('date_format'), $comment->comment_date);
 360      else
 361          $date = mysql2date($d, $comment->comment_date);
 362      return apply_filters('get_comment_date', $date, $d);
 363  }
 364  
 365  /**
 366   * Display the comment date of the current comment.
 367   *
 368   * @since 0.71
 369   *
 370   * @param string $d The format of the date (defaults to user's config)
 371   */
 372  function comment_date( $d = '' ) {
 373      echo get_comment_date( $d );
 374  }
 375  
 376  /**
 377   * Retrieve the excerpt of the current comment.
 378   *
 379   * Will cut each word and only output the first 20 words with '...' at the end.
 380   * If the word count is less than 20, then no truncating is done and no '...'
 381   * will appear.
 382   *
 383   * @since 1.5.0
 384   * @uses $comment
 385   * @uses apply_filters() Calls 'get_comment_excerpt' on truncated comment
 386   *
 387   * @return string The maybe truncated comment with 20 words or less
 388   */
 389  function get_comment_excerpt() {
 390      global $comment;
 391      $comment_text = strip_tags($comment->comment_content);
 392      $blah = explode(' ', $comment_text);
 393      if (count($blah) > 20) {
 394          $k = 20;
 395          $use_dotdotdot = 1;
 396      } else {
 397          $k = count($blah);
 398          $use_dotdotdot = 0;
 399      }
 400      $excerpt = '';
 401      for ($i=0; $i<$k; $i++) {
 402          $excerpt .= $blah[$i] . ' ';
 403      }
 404      $excerpt .= ($use_dotdotdot) ? '...' : '';
 405      return apply_filters('get_comment_excerpt', $excerpt);
 406  }
 407  
 408  /**
 409   * Display the excerpt of the current comment.
 410   *
 411   * @since 1.2.0
 412   * @uses apply_filters() Calls 'comment_excerpt' hook before displaying excerpt
 413   */
 414  function comment_excerpt() {
 415      echo apply_filters('comment_excerpt', get_comment_excerpt() );
 416  }
 417  
 418  /**
 419   * Retrieve the comment id of the current comment.
 420   *
 421   * @since 1.5.0
 422   * @uses $comment
 423   * @uses apply_filters() Calls the 'get_comment_ID' hook for the comment ID
 424   *
 425   * @return int The comment ID
 426   */
 427  function get_comment_ID() {
 428      global $comment;
 429      return apply_filters('get_comment_ID', $comment->comment_ID);
 430  }
 431  
 432  /**
 433   * Displays the comment id of the current comment.
 434   *
 435   * @since 0.71
 436   * @see get_comment_ID() Echos Result
 437   */
 438  function comment_ID() {
 439      echo get_comment_ID();
 440  }
 441  
 442  /**
 443   * Retrieve the link to a given comment.
 444   *
 445   * @since 1.5.0
 446   * @uses $comment
 447   *
 448   * @param object|string|int $comment Comment to retrieve.
 449   * @param array $args Optional args.
 450   * @return string The permalink to the given comment.
 451   */
 452  function get_comment_link( $comment = null, $args = array() ) {
 453      global $wp_rewrite, $in_comment_loop;
 454  
 455      $comment = get_comment($comment);
 456  
 457      // Backwards compat
 458      if ( !is_array($args) ) {
 459          $page = $args;
 460          $args = array();
 461          $args['page'] = $page;
 462      }
 463  
 464      $defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' );
 465      $args = wp_parse_args( $args, $defaults );
 466  
 467      if ( '' === $args['per_page'] && get_option('page_comments') )
 468          $args['per_page'] = get_option('comments_per_page');
 469  
 470      if ( empty($args['per_page']) ) {
 471          $args['per_page'] = 0;
 472          $args['page'] = 0;
 473      }
 474  
 475      if ( $args['per_page'] ) {
 476          if ( '' == $args['page'] )
 477              $args['page'] = ( !empty($in_comment_loop) ) ? get_query_var('cpage') : get_page_of_comment( $comment->comment_ID, $args );
 478  
 479          if ( $wp_rewrite->using_permalinks() )
 480              $link = user_trailingslashit( trailingslashit( get_permalink( $comment->comment_post_ID ) ) . 'comment-page-' . $args['page'], 'comment' );
 481          else
 482              $link = add_query_arg( 'cpage', $args['page'], get_permalink( $comment->comment_post_ID ) );
 483      } else {
 484          $link = get_permalink( $comment->comment_post_ID );
 485      }
 486  
 487      return apply_filters( 'get_comment_link', $link . '#comment-' . $comment->comment_ID, $comment, $args );
 488  }
 489  
 490  /**
 491   * Retrieves the link to the current post comments.
 492   *
 493   * @since 1.5.0
 494   *
 495   * @return string The link to the comments
 496   */
 497  function get_comments_link() {
 498      return get_permalink() . '#comments';
 499  }
 500  
 501  /**
 502   * Displays the link to the current post comments.
 503   *
 504   * @since 0.71
 505   *
 506   * @param string $deprecated Not Used
 507   * @param bool $deprecated Not Used
 508   */
 509  function comments_link( $deprecated = '', $deprecated = '' ) {
 510      echo get_comments_link();
 511  }
 512  
 513  /**
 514   * Retrieve the amount of comments a post has.
 515   *
 516   * @since 1.5.0
 517   * @uses apply_filters() Calls the 'get_comments_number' hook on the number of comments
 518   *
 519   * @param int $post_id The Post ID
 520   * @return int The number of comments a post has
 521   */
 522  function get_comments_number( $post_id = 0 ) {
 523      global $id;
 524      $post_id = (int) $post_id;
 525  
 526      if ( !$post_id )
 527          $post_id = (int) $id;
 528  
 529      $post = get_post($post_id);
 530      if ( ! isset($post->comment_count) )
 531          $count = 0;
 532      else
 533          $count = $post->comment_count;
 534  
 535      return apply_filters('get_comments_number', $count, $post_id);
 536  }
 537  
 538  /**
 539   * Display the language string for the number of comments the current post has.
 540   *
 541   * @since 0.71
 542   * @uses $id
 543   * @uses apply_filters() Calls the 'comments_number' hook on the output and number of comments respectively.
 544   *
 545   * @param string $zero Text for no comments
 546   * @param string $one Text for one comment
 547   * @param string $more Text for more than one comment
 548   * @param string $deprecated Not used.
 549   */
 550  function comments_number( $zero = false, $one = false, $more = false, $deprecated = '' ) {
 551      global $id;
 552      $number = get_comments_number($id);
 553  
 554      if ( $number > 1 )
 555          $output = str_replace('%', number_format_i18n($number), ( false === $more ) ? __('% Comments') : $more);
 556      elseif ( $number == 0 )
 557          $output = ( false === $zero ) ? __('No Comments') : $zero;
 558      else // must be one
 559          $output = ( false === $one ) ? __('1 Comment') : $one;
 560  
 561      echo apply_filters('comments_number', $output, $number);
 562  }
 563  
 564  /**
 565   * Retrieve the text of the current comment.
 566   *
 567   * @since 1.5.0
 568   * @uses $comment
 569   *
 570   * @return string The comment content
 571   */
 572  function get_comment_text() {
 573      global $comment;
 574      return apply_filters('get_comment_text', $comment->comment_content);
 575  }
 576  
 577  /**
 578   * Displays the text of the current comment.
 579   *
 580   * @since 0.71
 581   * @uses apply_filters() Passes the comment content through the 'comment_text' hook before display
 582   * @uses get_comment_text() Gets the comment content
 583   */
 584  function comment_text() {
 585      echo apply_filters('comment_text', get_comment_text() );
 586  }
 587  
 588  /**
 589   * Retrieve the comment time of the current comment.
 590   *
 591   * @since 1.5.0
 592   * @uses $comment
 593   * @uses apply_filter() Calls 'get_comment_time' hook with the formatted time, the $d parameter, and $gmt parameter passed.
 594   *
 595   * @param string $d Optional. The format of the time (defaults to user's config)
 596   * @param bool $gmt Whether to use the GMT date
 597   * @param bool $translate Whether to translate the time (for use in feeds)
 598   * @return string The formatted time
 599   */
 600  function get_comment_time( $d = '', $gmt = false, $translate = true ) {
 601      global $comment;
 602      $comment_date = $gmt ? $comment->comment_date_gmt : $comment->comment_date;
 603      if ( '' == $d )
 604          $date = mysql2date(get_option('time_format'), $comment_date, $translate);
 605      else
 606          $date = mysql2date($d, $comment_date, $translate);
 607      return apply_filters('get_comment_time', $date, $d, $gmt, $translate);
 608  }
 609  
 610  /**
 611   * Display the comment time of the current comment.
 612   *
 613   * @since 0.71
 614   *
 615   * @param string $d Optional. The format of the time (defaults to user's config)
 616   */
 617  function comment_time( $d = '' ) {
 618      echo get_comment_time($d);
 619  }
 620  
 621  /**
 622   * Retrieve the comment type of the current comment.
 623   *
 624   * @since 1.5.0
 625   * @uses $comment
 626   * @uses apply_filters() Calls the 'get_comment_type' hook on the comment type
 627   *
 628   * @return string The comment type
 629   */
 630  function get_comment_type() {
 631      global $comment;
 632  
 633      if ( '' == $comment->comment_type )
 634          $comment->comment_type = 'comment';
 635  
 636      return apply_filters('get_comment_type', $comment->comment_type);
 637  }
 638  
 639  /**
 640   * Display the comment type of the current comment.
 641   *
 642   * @since 0.71
 643   *
 644   * @param string $commenttxt The string to display for comment type
 645   * @param string $trackbacktxt The string to display for trackback type
 646   * @param string $pingbacktxt The string to display for pingback type
 647   */
 648  function comment_type($commenttxt = false, $trackbacktxt = false, $pingbacktxt = false) {
 649      if ( false === $commenttxt ) $commenttxt = _x( 'Comment', 'noun' );
 650      if ( false === $trackbacktxt ) $trackbacktxt = __( 'Trackback' );
 651      if ( false === $pingbacktxt ) $pingbacktxt = __( 'Pingback' );
 652      $type = get_comment_type();
 653      switch( $type ) {
 654          case 'trackback' :
 655              echo $trackbacktxt;
 656              break;
 657          case 'pingback' :
 658              echo $pingbacktxt;
 659              break;
 660          default :
 661              echo $commenttxt;
 662      }
 663  }
 664  
 665  /**
 666   * Retrieve The current post's trackback URL.
 667   *
 668   * There is a check to see if permalink's have been enabled and if so, will
 669   * retrieve the pretty path. If permalinks weren't enabled, the ID of the
 670   * current post is used and appended to the correct page to go to.
 671   *
 672   * @since 1.5.0
 673   * @uses apply_filters() Calls 'trackback_url' on the resulting trackback URL
 674   * @uses $id
 675   *
 676   * @return string The trackback URL after being filtered
 677   */
 678  function get_trackback_url() {
 679      global $id;
 680      if ( '' != get_option('permalink_structure') ) {
 681          $tb_url = trailingslashit(get_permalink()) . user_trailingslashit('trackback', 'single_trackback');
 682      } else {
 683          $tb_url = get_option('siteurl') . '/wp-trackback.php?p=' . $id;
 684      }
 685      return apply_filters('trackback_url', $tb_url);
 686  }
 687  
 688  /**
 689   * Displays the current post's trackback URL.
 690   *
 691   * @since 0.71
 692   * @uses get_trackback_url() Gets the trackback url for the current post
 693   *
 694   * @param bool $deprecated Remove backwards compat in 2.5
 695   * @return void|string Should only be used to echo the trackback URL, use get_trackback_url() for the result instead.
 696   */
 697  function trackback_url($deprecated = true) {
 698      if ($deprecated) echo get_trackback_url();
 699      else return get_trackback_url();
 700  }
 701  
 702  /**
 703   * Generates and displays the RDF for the trackback information of current post.
 704   *
 705   * @since 0.71
 706   *
 707   * @param int $deprecated Not used (Was $timezone = 0)
 708   */
 709  function trackback_rdf($deprecated = '') {
 710      if (stripos($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator') === false) {
 711          echo '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
 712                  xmlns:dc="http://purl.org/dc/elements/1.1/"
 713                  xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/">
 714              <rdf:Description rdf:about="';
 715          the_permalink();
 716          echo '"'."\n";
 717          echo '    dc:identifier="';
 718          the_permalink();
 719          echo '"'."\n";
 720          echo '    dc:title="'.str_replace('--', '&#x2d;&#x2d;', wptexturize(strip_tags(get_the_title()))).'"'."\n";
 721          echo '    trackback:ping="'.get_trackback_url().'"'." />\n";
 722          echo '</rdf:RDF>';
 723      }
 724  }
 725  
 726  /**
 727   * Whether the current post is open for comments.
 728   *
 729   * @since 1.5.0
 730   * @uses $post
 731   *
 732   * @param int $post_id An optional post ID to check instead of the current post.
 733   * @return bool True if the comments are open
 734   */
 735  function comments_open( $post_id=NULL ) {
 736  
 737      $_post = get_post($post_id);
 738  
 739      $open = ( 'open' == $_post->comment_status );
 740      return apply_filters( 'comments_open', $open, $post_id );
 741  }
 742  
 743  /**
 744   * Whether the current post is open for pings.
 745   *
 746   * @since 1.5.0
 747   * @uses $post
 748   *
 749   * @param int $post_id An optional post ID to check instead of the current post.
 750   * @return bool True if pings are accepted
 751   */
 752  function pings_open( $post_id = NULL ) {
 753  
 754      $_post = get_post($post_id);
 755  
 756      $open = ( 'open' == $_post->ping_status );
 757      return apply_filters( 'pings_open', $open, $post_id );
 758  }
 759  
 760  /**
 761   * Displays form token for unfiltered comments.
 762   *
 763   * Will only display nonce token if the current user has permissions for
 764   * unfiltered html. Won't display the token for other users.
 765   *
 766   * The function was backported to 2.0.10 and was added to versions 2.1.3 and
 767   * above. Does not exist in versions prior to 2.0.10 in the 2.0 branch and in
 768   * the 2.1 branch, prior to 2.1.3. Technically added in 2.2.0.
 769   *
 770   * Backported to 2.0.10.
 771   *
 772   * @since 2.1.3
 773   * @uses $post Gets the ID of the current post for the token
 774   */
 775  function wp_comment_form_unfiltered_html_nonce() {
 776      global $post;
 777  
 778      $post_id = 0;
 779      if ( !empty($post) )
 780          $post_id = $post->ID;
 781  
 782      if ( current_user_can('unfiltered_html') )
 783          wp_nonce_field('unfiltered-html-comment_' . $post_id, '_wp_unfiltered_html_comment', false);
 784  }
 785  
 786  /**
 787   * Loads the comment template specified in $file.
 788   *
 789   * Will not display the comments template if not on single post or page, or if
 790   * the post does not have comments.
 791   *
 792   * Uses the WordPress database object to query for the comments. The comments
 793   * are passed through the 'comments_array' filter hook with the list of comments
 794   * and the post ID respectively.
 795   *
 796   * The $file path is passed through a filter hook called, 'comments_template'
 797   * which includes the TEMPLATEPATH and $file combined. Tries the $filtered path
 798   * first and if it fails it will require the default comment themplate from the
 799   * default theme. If either does not exist, then the WordPress process will be
 800   * halted. It is advised for that reason, that the default theme is not deleted.
 801   *
 802   * @since 1.5.0
 803   * @global array $comment List of comment objects for the current post
 804   * @uses $wpdb
 805   * @uses $id
 806   * @uses $post
 807   * @uses $withcomments Will not try to get the comments if the post has none.
 808   *
 809   * @param string $file Optional, default '/comments.php'. The file to load
 810   * @param bool $separate_comments Optional, whether to separate the comments by comment type. Default is false.
 811   * @return null Returns null if no comments appear
 812   */
 813  function comments_template( $file = '/comments.php', $separate_comments = false ) {
 814      global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_ID, $user_identity, $overridden_cpage;
 815  
 816      if ( !(is_single() || is_page() || $withcomments) || empty($post) )
 817          return;
 818  
 819      if ( empty($file) )
 820          $file = '/comments.php';
 821  
 822      $req = get_option('require_name_email');
 823  
 824      /**
 825       * Comment author information fetched from the comment cookies.
 826       *
 827       * @uses wp_get_current_commenter()
 828       */
 829      $commenter = wp_get_current_commenter();
 830  
 831      /**
 832       * The name of the current comment author escaped for use in attributes.
 833       */
 834      $comment_author = $commenter['comment_author']; // Escaped by sanitize_comment_cookies()
 835  
 836      /**
 837       * The email address of the current comment author escaped for use in attributes.
 838       */
 839      $comment_author_email = $commenter['comment_author_email'];  // Escaped by sanitize_comment_cookies()
 840  
 841      /**
 842       * The url of the current comment author escaped for use in attributes.
 843       */
 844      $comment_author_url = esc_url($commenter['comment_author_url']);
 845  
 846      /** @todo Use API instead of SELECTs. */
 847      if ( $user_ID) {
 848          $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, $user_ID));
 849      } else if ( empty($comment_author) ) {
 850          $comments = get_comments( array('post_id' => $post->ID, 'status' => 'approve', 'order' => 'ASC') );
 851      } else {
 852          $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));
 853      }
 854  
 855      // keep $comments for legacy's sake
 856      $wp_query->comments = apply_filters( 'comments_array', $comments, $post->ID );
 857      $comments = &$wp_query->comments;
 858      $wp_query->comment_count = count($wp_query->comments);
 859      update_comment_cache($wp_query->comments);
 860  
 861      if ( $separate_comments ) {
 862          $wp_query->comments_by_type = &separate_comments($comments);
 863          $comments_by_type = &$wp_query->comments_by_type;
 864      }
 865  
 866      $overridden_cpage = FALSE;
 867      if ( '' == get_query_var('cpage') && get_option('page_comments') ) {
 868          set_query_var( 'cpage', 'newest' == get_option('default_comments_page') ? get_comment_pages_count() : 1 );
 869          $overridden_cpage = TRUE;
 870      }
 871  
 872      if ( !defined('COMMENTS_TEMPLATE') || !COMMENTS_TEMPLATE)
 873          define('COMMENTS_TEMPLATE', true);
 874  
 875      $include = apply_filters('comments_template', STYLESHEETPATH . $file );
 876      if ( file_exists( $include ) )
 877          require( $include );
 878      elseif ( file_exists( TEMPLATEPATH . $file ) )
 879          require( TEMPLATEPATH .  $file );
 880      else
 881          require( get_theme_root() . '/default/comments.php');
 882  }
 883  
 884  /**
 885   * Displays the JS popup script to show a comment.
 886   *
 887   * If the $file parameter is empty, then the home page is assumed. The defaults
 888   * for the window are 400px by 400px.
 889   *
 890   * For the comment link popup to work, this function has to be called or the
 891   * normal comment link will be assumed.
 892   *
 893   * @since 0.71
 894   * @global string $wpcommentspopupfile The URL to use for the popup window
 895   * @global int $wpcommentsjavascript Whether to use JavaScript or not. Set when function is called
 896   *
 897   * @param int $width Optional. The width of the popup window
 898   * @param int $height Optional. The height of the popup window
 899   * @param string $file Optional. Sets the location of the popup window
 900   */
 901  function comments_popup_script($width=400, $height=400, $file='') {
 902      global $wpcommentspopupfile, $wpcommentsjavascript;
 903  
 904      if (empty ($file)) {
 905          $wpcommentspopupfile = '';  // Use the index.
 906      } else {
 907          $wpcommentspopupfile = $file;
 908      }
 909  
 910      $wpcommentsjavascript = 1;
 911      $javascript = "<script type='text/javascript'>\nfunction wpopen (macagna) {\n    window.open(macagna, '_blank', 'width=$width,height=$height,scrollbars=yes,status=yes');\n}\n</script>\n";
 912      echo $javascript;
 913  }
 914  
 915  /**
 916   * Displays the link to the comments popup window for the current post ID.
 917   *
 918   * Is not meant to be displayed on single posts and pages. Should be used on the
 919   * lists of posts
 920   *
 921   * @since 0.71
 922   * @uses $id
 923   * @uses $wpcommentspopupfile
 924   * @uses $wpcommentsjavascript
 925   * @uses $post
 926   *
 927   * @param string $zero The string to display when no comments
 928   * @param string $one The string to display when only one comment is available
 929   * @param string $more The string to display when there are more than one comment
 930   * @param string $css_class The CSS class to use for comments
 931   * @param string $none The string to display when comments have been turned off
 932   * @return null Returns null on single posts and pages.
 933   */
 934  function comments_popup_link( $zero = false, $one = false, $more = false, $css_class = '', $none = false ) {
 935      global $id, $wpcommentspopupfile, $wpcommentsjavascript, $post;
 936  
 937      if ( false === $zero ) $zero = __( 'No Comments' );
 938      if ( false === $one ) $one = __( '1 Comment' );
 939      if ( false === $more ) $more = __( '% Comments' );
 940      if ( false === $none ) $none = __( 'Comments Off' );
 941  
 942      $number = get_comments_number( $id );
 943  
 944      if ( 0 == $number && !comments_open() && !pings_open() ) {
 945          echo '<span' . ((!empty($css_class)) ? ' class="' . esc_attr( $css_class ) . '"' : '') . '>' . $none . '</span>';
 946          return;
 947      }
 948  
 949      if ( post_password_required() ) {
 950          echo __('Enter your password to view comments');
 951          return;
 952      }
 953  
 954      echo '<a href="';
 955      if ( $wpcommentsjavascript ) {
 956          if ( empty( $wpcommentspopupfile ) )
 957              $home = get_option('home');
 958          else
 959              $home = get_option('siteurl');
 960          echo $home . '/' . $wpcommentspopupfile . '?comments_popup=' . $id;
 961          echo '" onclick="wpopen(this.href); return false"';
 962      } else { // if comments_popup_script() is not in the template, display simple comment link
 963          if ( 0 == $number )
 964              echo get_permalink() . '#respond';
 965          else
 966              comments_link();
 967          echo '"';
 968      }
 969  
 970      if ( !empty( $css_class ) ) {
 971          echo ' class="'.$css_class.'" ';
 972      }
 973      $title = the_title_attribute( 'echo=0' );
 974  
 975      echo apply_filters( 'comments_popup_link_attributes', '' );
 976  
 977      echo ' title="' . esc_attr( sprintf( __('Comment on %s'), $title ) ) . '">';
 978      comments_number( $zero, $one, $more, $number );
 979      echo '</a>';
 980  }
 981  
 982  /**
 983   * Retrieve HTML content for reply to comment link.
 984   *
 985   * The default arguments that can be override are 'add_below', 'respond_id',
 986   * 'reply_text', 'login_text', and 'depth'. The 'login_text' argument will be
 987   * used, if the user must log in or register first before posting a comment. The
 988   * 'reply_text' will be used, if they can post a reply. The 'add_below' and
 989   * 'respond_id' arguments are for the JavaScript moveAddCommentForm() function
 990   * parameters.
 991   *
 992   * @since 2.7.0
 993   *
 994   * @param array $args Optional. Override default options.
 995   * @param int $comment Optional. Comment being replied to.
 996   * @param int $post Optional. Post that the comment is going to be displayed on.
 997   * @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
 998   */
 999  function get_comment_reply_link($args = array(), $comment = null, $post = null) {
1000      global $user_ID;
1001  
1002      $defaults = array('add_below' => 'comment', 'respond_id' => 'respond', 'reply_text' => __('Reply'),
1003          'login_text' => __('Log in to Reply'), 'depth' => 0, 'before' => '', 'after' => '');
1004  
1005      $args = wp_parse_args($args, $defaults);
1006  
1007      if ( 0 == $args['depth'] || $args['max_depth'] <= $args['depth'] )
1008          return;
1009  
1010      extract($args, EXTR_SKIP);
1011  
1012      $comment = get_comment($comment);
1013      $post = get_post($post);
1014  
1015      if ( !comments_open($post->ID) )
1016          return false;
1017  
1018      $link = '';
1019  
1020      if ( get_option('comment_registration') && !$user_ID )
1021          $link = '<a rel="nofollow" class="comment-reply-login" href="' . esc_url( wp_login_url( get_permalink() ) ) . '">' . $login_text . '</a>';
1022      else
1023          $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>";
1024      return apply_filters('comment_reply_link', $before . $link . $after, $args, $comment, $post);
1025  }
1026  
1027  /**
1028   * Displays the HTML content for reply to comment link.
1029   *
1030   * @since 2.7.0
1031   * @see get_comment_reply_link() Echoes result
1032   *
1033   * @param array $args Optional. Override default options.
1034   * @param int $comment Optional. Comment being replied to.
1035   * @param int $post Optional. Post that the comment is going to be displayed on.
1036   * @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
1037   */
1038  function comment_reply_link($args = array(), $comment = null, $post = null) {
1039      echo get_comment_reply_link($args, $comment, $post);
1040  }
1041  
1042  /**
1043   * Retrieve HTML content for reply to post link.
1044   *
1045   * The default arguments that can be override are 'add_below', 'respond_id',
1046   * 'reply_text', 'login_text', and 'depth'. The 'login_text' argument will be
1047   * used, if the user must log in or register first before posting a comment. The
1048   * 'reply_text' will be used, if they can post a reply. The 'add_below' and
1049   * 'respond_id' arguments are for the JavaScript moveAddCommentForm() function
1050   * parameters.
1051   *
1052   * @since 2.7.0
1053   *
1054   * @param array $args Optional. Override default options.
1055   * @param int|object $post Optional. Post that the comment is going to be displayed on.  Defaults to current post.
1056   * @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
1057   */
1058  function get_post_reply_link($args = array(), $post = null) {
1059      global $user_ID;
1060  
1061      $defaults = array('add_below' => 'post', 'respond_id' => 'respond', 'reply_text' => __('Leave a Comment'),
1062          'login_text' => __('Log in to leave a Comment'), 'before' => '', 'after' => '');
1063  
1064      $args = wp_parse_args($args, $defaults);
1065      extract($args, EXTR_SKIP);
1066      $post = get_post($post);
1067  
1068      if ( !comments_open($post->ID) )
1069          return false;
1070  
1071      if ( get_option('comment_registration') && !$user_ID ) {
1072          $link = '<a rel="nofollow" href="' . wp_login_url( get_permalink() ) . '">' . $login_text . '</a>';
1073      } else {
1074          $link = "<a rel='nofollow' class='comment-reply-link' href='" . get_permalink($post->ID) . "#$respond_id' onclick='return addComment.moveForm(\"$add_below-$post->ID\", \"0\", \"$respond_id\", \"$post->ID\")'>$reply_text</a>";
1075      }
1076      return apply_filters('post_comments_link', $before . $link . $after, $post);
1077  }
1078  
1079  /**
1080   * Displays the HTML content for reply to post link.
1081   * @since 2.7.0
1082   * @see get_post_reply_link()
1083   *
1084   * @param array $args Optional. Override default options.
1085   * @param int|object $post Optional. Post that the comment is going to be displayed on.
1086   * @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
1087   */
1088  function post_reply_link($args = array(), $post = null) {
1089      echo get_post_reply_link($args, $post);
1090  }
1091  
1092  /**
1093   * Retrieve HTML content for cancel comment reply link.
1094   *
1095   * @since 2.7.0
1096   *
1097   * @param string $text Optional. Text to display for cancel reply link.
1098   */
1099  function get_cancel_comment_reply_link($text = '') {
1100      if ( empty($text) )
1101          $text = __('Click here to cancel reply.');
1102  
1103      $style = isset($_GET['replytocom']) ? '' : ' style="display:none;"';
1104      $link = esc_html( remove_query_arg('replytocom') ) . '#respond';
1105      return apply_filters('cancel_comment_reply_link', '<a rel="nofollow" id="cancel-comment-reply-link" href="' . $link . '"' . $style . '>' . $text . '</a>', $link, $text);
1106  }
1107  
1108  /**
1109   * Display HTML content for cancel comment reply link.
1110   *
1111   * @since 2.7.0
1112   *
1113   * @param string $text Optional. Text to display for cancel reply link.
1114   */
1115  function cancel_comment_reply_link($text = '') {
1116      echo get_cancel_comment_reply_link($text);
1117  }
1118  
1119  /**
1120   * Output hidden input HTML for replying to comments.
1121   *
1122   * @since 2.7.0
1123   */
1124  function comment_id_fields() {
1125      global $id;
1126  
1127      $replytoid = isset($_GET['replytocom']) ? (int) $_GET['replytocom'] : 0;
1128      echo "<input type='hidden' name='comment_post_ID' value='$id' id='comment_post_ID' />\n";
1129      echo "<input type='hidden' name='comment_parent' id='comment_parent' value='$replytoid' />\n";
1130  }
1131  
1132  /**
1133   * Display text based on comment reply status. Only affects users with Javascript disabled.
1134   *
1135   * @since 2.7.0
1136   *
1137   * @param string $noreplytext Optional. Text to display when not replying to a comment.
1138   * @param string $replytext Optional. Text to display when replying to a comment. Accepts "%s" for the author of the comment being replied to.
1139   * @param string $linktoparent Optional. Boolean to control making the author's name a link to their comment.
1140   */
1141  function comment_form_title( $noreplytext = false, $replytext = false, $linktoparent = TRUE ) {
1142      global $comment;
1143  
1144      if ( false === $noreplytext ) $noreplytext = __( 'Leave a Reply' );
1145      if ( false === $replytext ) $replytext = __( 'Leave a Reply to %s' );
1146  
1147      $replytoid = isset($_GET['replytocom']) ? (int) $_GET['replytocom'] : 0;
1148  
1149      if ( 0 == $replytoid )
1150          echo $noreplytext;
1151      else {
1152          $comment = get_comment($replytoid);
1153          $author = ( $linktoparent ) ? '<a href="#comment-' . get_comment_ID() . '">' . get_comment_author() . '</a>' : get_comment_author();
1154          printf( $replytext, $author );
1155      }
1156  }
1157  
1158  /**
1159   * HTML comment list class.
1160   *
1161   * @package WordPress
1162   * @uses Walker
1163   * @since unknown
1164   */
1165  class Walker_Comment extends Walker {
1166      /**
1167       * @see Walker::$tree_type
1168       * @since unknown
1169       * @var string
1170       */
1171      var $tree_type = 'comment';
1172  
1173      /**
1174       * @see Walker::$db_fields
1175       * @since unknown
1176       * @var array
1177       */
1178      var $db_fields = array ('parent' => 'comment_parent', 'id' => 'comment_ID');
1179  
1180      /**
1181       * @see Walker::start_lvl()
1182       * @since unknown
1183       *
1184       * @param string $output Passed by reference. Used to append additional content.
1185       * @param int $depth Depth of comment.
1186       * @param array $args Uses 'style' argument for type of HTML list.
1187       */
1188  	function start_lvl(&$output, $depth, $args) {
1189          $GLOBALS['comment_depth'] = $depth + 1;
1190  
1191          switch ( $args['style'] ) {
1192              case 'div':
1193                  break;
1194              case 'ol':
1195                  echo "<ol class='children'>\n";
1196                  break;
1197              default:
1198              case 'ul':
1199                  echo "<ul class='children'>\n";
1200                  break;
1201          }
1202      }
1203  
1204      /**
1205       * @see Walker::end_lvl()
1206       * @since unknown
1207       *
1208       * @param string $output Passed by reference. Used to append additional content.
1209       * @param int $depth Depth of comment.
1210       * @param array $args Will only append content if style argument value is 'ol' or 'ul'.
1211       */
1212  	function end_lvl(&$output, $depth, $args) {
1213          $GLOBALS['comment_depth'] = $depth + 1;
1214  
1215          switch ( $args['style'] ) {
1216              case 'div':
1217                  break;
1218              case 'ol':
1219                  echo "</ol>\n";
1220                  break;
1221              default:
1222              case 'ul':
1223                  echo "</ul>\n";
1224                  break;
1225          }
1226      }
1227  
1228      /**
1229       * @see Walker::start_el()
1230       * @since unknown
1231       *
1232       * @param string $output Passed by reference. Used to append additional content.
1233       * @param object $comment Comment data object.
1234       * @param int $depth Depth of comment in reference to parents.
1235       * @param array $args
1236       */
1237  	function start_el(&$output, $comment, $depth, $args) {
1238          $depth++;
1239          $GLOBALS['comment_depth'] = $depth;
1240  
1241          if ( !empty($args['callback']) ) {
1242              call_user_func($args['callback'], $comment, $args, $depth);
1243              return;
1244          }
1245  
1246          $GLOBALS['comment'] = $comment;
1247          extract($args, EXTR_SKIP);
1248  
1249          if ( 'div' == $args['style'] ) {
1250              $tag = 'div';
1251              $add_below = 'comment';
1252          } else {
1253              $tag = 'li';
1254              $add_below = 'div-comment';
1255          }
1256  ?>
1257          <<?php echo $tag ?> <?php comment_class(empty( $args['has_children'] ) ? '' : 'parent') ?> id="comment-<?php comment_ID() ?>">
1258          <?php if ( 'div' != $args['style'] ) : ?>
1259          <div id="div-comment-<?php comment_ID() ?>" class="comment-body">
1260          <?php endif; ?>
1261          <div class="comment-author vcard">
1262          <?php if ($args['avatar_size'] != 0) echo get_avatar( $comment, $args['avatar_size'] ); ?>
1263          <?php printf(__('<cite class="fn">%s</cite> <span class="says">says:</span>'), get_comment_author_link()) ?>
1264          </div>
1265  <?php if ($comment->comment_approved == '0') : ?>
1266          <em><?php _e('Your comment is awaiting moderation.') ?></em>
1267          <br />
1268  <?php endif; ?>
1269  
1270          <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>
1271  
1272          <?php comment_text() ?>
1273  
1274          <div class="reply">
1275          <?php comment_reply_link(array_merge( $args, array('add_below' => $add_below, 'depth' => $depth, 'max_depth' => $args['max_depth']))) ?>
1276          </div>
1277          <?php if ( 'div' != $args['style'] ) : ?>
1278          </div>
1279          <?php endif; ?>
1280  <?php
1281      }
1282  
1283      /**
1284       * @see Walker::end_el()
1285       * @since unknown
1286       *
1287       * @param string $output Passed by reference. Used to append additional content.
1288       * @param object $comment
1289       * @param int $depth Depth of comment.
1290       * @param array $args
1291       */
1292  	function end_el(&$output, $comment, $depth, $args) {
1293          if ( !empty($args['end-callback']) ) {
1294              call_user_func($args['end-callback'], $comment, $args, $depth);
1295              return;
1296          }
1297          if ( 'div' == $args['style'] )
1298              echo "</div>\n";
1299          else
1300              echo "</li>\n";
1301      }
1302  
1303  }
1304  
1305  /**
1306   * List comments
1307   *
1308   * Used in the comments.php template to list comments for a particular post
1309   *
1310   * @since 2.7.0
1311   * @uses Walker_Comment
1312   *
1313   * @param string|array $args Formatting options
1314   * @param array $comments Optional array of comment objects.  Defaults to $wp_query->comments
1315   */
1316  function wp_list_comments($args = array(), $comments = null ) {
1317      global $wp_query, $comment_alt, $comment_depth, $comment_thread_alt, $overridden_cpage, $in_comment_loop;
1318  
1319      $in_comment_loop = true;
1320  
1321      $comment_alt = $comment_thread_alt = 0;
1322      $comment_depth = 1;
1323  
1324      $defaults = array('walker' => null, 'max_depth' => '', 'style' => 'ul', 'callback' => null, 'end-callback' => null, 'type' => 'all',
1325          'page' => '', 'per_page' => '', 'avatar_size' => 32, 'reverse_top_level' => null, 'reverse_children' => '');
1326  
1327      $r = wp_parse_args( $args, $defaults );
1328  
1329      // Figure out what comments we'll be looping through ($_comments)
1330      if ( null !== $comments ) {
1331          $comments = (array) $comments;
1332          if ( empty($comments) )
1333              return;
1334          if ( 'all' != $r['type'] ) {
1335              $comments_by_type = &separate_comments($comments);
1336              if ( empty($comments_by_type[$r['type']]) )
1337                  return;
1338              $_comments = $comments_by_type[$r['type']];
1339          } else {
1340              $_comments = $comments;
1341          }
1342      } else {
1343          if ( empty($wp_query->comments) )
1344              return;
1345          if ( 'all' != $r['type'] ) {
1346              if ( empty($wp_query->comments_by_type) )
1347                  $wp_query->comments_by_type = &separate_comments($wp_query->comments);
1348              if ( empty($wp_query->comments_by_type[$r['type']]) )
1349                  return;
1350              $_comments = $wp_query->comments_by_type[$r['type']];
1351          } else {
1352              $_comments = $wp_query->comments;
1353          }
1354      }
1355  
1356      if ( '' === $r['per_page'] && get_option('page_comments') )
1357          $r['per_page'] = get_query_var('comments_per_page');
1358  
1359      if ( empty($r['per_page']) ) {
1360          $r['per_page'] = 0;
1361          $r['page'] = 0;
1362      }
1363  
1364      if ( '' === $r['max_depth'] ) {
1365          if ( get_option('thread_comments') )
1366              $r['max_depth'] = get_option('thread_comments_depth');
1367          else
1368              $r['max_depth'] = -1;
1369      }
1370  
1371      if ( '' === $r['page'] ) {
1372          if ( empty($overridden_cpage) ) {
1373              $r['page'] = get_query_var('cpage');
1374          } else {
1375              $threaded = ( -1 == $r['max_depth'] ) ? false : true;
1376              $r['page'] = ( 'newest' == get_option('default_comments_page') ) ? get_comment_pages_count($_comments, $r['per_page'], $threaded) : 1;
1377              set_query_var( 'cpage', $r['page'] );
1378          }
1379      }
1380      // Validation check
1381      $r['page'] = intval($r['page']);
1382      if ( 0 == $r['page'] && 0 != $r['per_page'] )
1383          $r['page'] = 1;
1384  
1385      if ( null === $r['reverse_top_level'] )
1386          $r['reverse_top_level'] = ( 'desc' == get_option('comment_order') ) ? TRUE : FALSE;
1387  
1388      extract( $r, EXTR_SKIP );
1389  
1390      if ( empty($walker) )
1391          $walker = new Walker_Comment;
1392  
1393      $walker->paged_walk($_comments, $max_depth, $page, $per_page, $r);
1394      $wp_query->max_num_comment_pages = $walker->max_pages;
1395  
1396      $in_comment_loop = false;
1397  }
1398  
1399  ?>


Generated: Fri Jan 8 00:19:48 2010 Cross-referenced by PHPXref 0.7