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   1  <?php
   2  /*
   3   * Comment template functions.
   4   */
   5  
   6  function get_comment_author() {
   7      global $comment;
   8      if ( empty($comment->comment_author) )
   9          $author = __('Anonymous');
  10      else
  11          $author = $comment->comment_author;
  12      return apply_filters('get_comment_author', $author);
  13  }
  14  
  15  function comment_author() {
  16      $author = apply_filters('comment_author', get_comment_author() );
  17      echo $author;
  18  }
  19  
  20  function get_comment_author_email() {
  21      global $comment;
  22      return apply_filters('get_comment_author_email', $comment->comment_author_email);
  23  }
  24  
  25  function comment_author_email() {
  26      echo apply_filters('author_email', get_comment_author_email() );
  27  }
  28  
  29  function comment_author_email_link($linktext='', $before='', $after='') {
  30      global $comment;
  31      $email = apply_filters('comment_email', $comment->comment_author_email);
  32      if ((!empty($email)) && ($email != '@')) {
  33      $display = ($linktext != '') ? $linktext : $email;
  34          echo $before;
  35          echo "<a href='mailto:$email'>$display</a>";
  36          echo $after;
  37      }
  38  }
  39  
  40  function get_comment_author_link() {
  41      global $comment;
  42      $url    = get_comment_author_url();
  43      $author = get_comment_author();
  44  
  45      if ( empty( $url ) || 'http://' == $url )
  46          $return = $author;
  47      else
  48          $return = "<a href='$url' rel='external nofollow'>$author</a>";
  49      return apply_filters('get_comment_author_link', $return);
  50  }
  51  
  52  function comment_author_link() {
  53      echo get_comment_author_link();
  54  }
  55  
  56  function get_comment_author_IP() {
  57      global $comment;
  58      return apply_filters('get_comment_author_IP', $comment->comment_author_IP);
  59  }
  60  
  61  function comment_author_IP() {
  62      echo get_comment_author_IP();
  63  }
  64  
  65  function get_comment_author_url() {
  66      global $comment;
  67      return apply_filters('get_comment_author_url', $comment->comment_author_url);
  68  }
  69  
  70  function comment_author_url() {
  71      echo apply_filters('comment_url', get_comment_author_url());
  72  }
  73  
  74  function get_comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
  75      global $comment;
  76      $url = get_comment_author_url();
  77      $display = ($linktext != '') ? $linktext : $url;
  78      $display = str_replace( 'http://www.', '', $display );
  79      $display = str_replace( 'http://', '', $display );
  80      if ( '/' == substr($display, -1) )
  81          $display = substr($display, 0, -1);
  82      $return = "$before<a href='$url' rel='external'>$display</a>$after";
  83      return apply_filters('get_comment_author_url_link', $return);
  84  }
  85  
  86  function comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
  87      echo get_comment_author_url_link( $linktext, $before, $after );
  88  }
  89  
  90  function get_comment_date( $d = '' ) {
  91      global $comment;
  92      if ( '' == $d )
  93          $date = mysql2date( get_settings('date_format'), $comment->comment_date);
  94      else
  95          $date = mysql2date($d, $comment->comment_date);
  96      return apply_filters('get_comment_date', $date);
  97  }
  98  
  99  function comment_date( $d = '' ) {
 100      echo get_comment_date( $d );
 101  }
 102  
 103  function get_comment_excerpt() {
 104      global $comment;
 105      $comment_text = strip_tags($comment->comment_content);
 106      $blah = explode(' ', $comment_text);
 107      if (count($blah) > 20) {
 108          $k = 20;
 109          $use_dotdotdot = 1;
 110      } else {
 111          $k = count($blah);
 112          $use_dotdotdot = 0;
 113      }
 114      $excerpt = '';
 115      for ($i=0; $i<$k; $i++) {
 116          $excerpt .= $blah[$i] . ' ';
 117      }
 118      $excerpt .= ($use_dotdotdot) ? '...' : '';
 119      return apply_filters('get_comment_excerpt', $excerpt);
 120  }
 121  
 122  function comment_excerpt() {
 123      echo apply_filters('comment_excerpt', get_comment_excerpt() );
 124  }
 125  
 126  function get_comment_ID() {
 127      global $comment;
 128      return apply_filters('get_comment_ID', $comment->comment_ID);
 129  }
 130  
 131  function comment_ID() {
 132      echo get_comment_ID();
 133  }
 134  
 135  function get_comment_link() {
 136      global $comment;
 137      return get_permalink( $comment->comment_post_ID ) . '#comment-' . $comment->comment_ID;
 138  }
 139  
 140  function get_comments_link() {
 141      return get_permalink() . '#comments';
 142  }
 143  
 144  function comments_link( $file = '', $echo = true ) {
 145      echo get_comments_link();
 146  }
 147  
 148  function get_comments_number( $post_id = 0 ) {
 149      global $wpdb, $id;
 150      $post_id = (int) $post_id;
 151  
 152      if ( !$post_id )
 153          $post_id = $id;
 154  
 155      $post = get_post($post_id);
 156      if ( ! isset($post->comment_count) )
 157          $count = 0;
 158      else
 159          $count = $post->comment_count;
 160  
 161      return apply_filters('get_comments_number', $count);
 162  }
 163  
 164  function comments_number( $zero = 'No Comments', $one = '1 Comment', $more = '% Comments', $number = '' ) {
 165      global $id, $comment;
 166      $number = get_comments_number( $id );
 167      if ($number == 0) {
 168          $blah = $zero;
 169      } elseif ($number == 1) {
 170          $blah = $one;
 171      } elseif ($number  > 1) {
 172          $blah = str_replace('%', $number, $more);
 173      }
 174      echo apply_filters('comments_number', $blah);
 175  }
 176  
 177  function get_comment_text() {
 178      global $comment;
 179      return apply_filters('get_comment_text', $comment->comment_content);
 180  }
 181  
 182  function comment_text() {
 183      echo apply_filters('comment_text', get_comment_text() );
 184  }
 185  
 186  function get_comment_time( $d = '', $gmt = false ) {
 187      global $comment;
 188      $comment_date = $gmt? $comment->comment_date_gmt : $comment->comment_date;
 189      if ( '' == $d )
 190          $date = mysql2date(get_settings('time_format'), $comment_date);
 191      else
 192          $date = mysql2date($d, $comment_date);
 193      return apply_filters('get_comment_time', $date);
 194  }
 195  
 196  function comment_time( $d = '' ) {
 197      echo get_comment_time($d);
 198  }
 199  
 200  function get_comment_type() {
 201      global $comment;
 202  
 203      if ( '' == $comment->comment_type )
 204          $comment->comment_type = 'comment';
 205  
 206      return apply_filters('get_comment_type', $comment->comment_type);
 207  }
 208  
 209  function comment_type($commenttxt = 'Comment', $trackbacktxt = 'Trackback', $pingbacktxt = 'Pingback') {
 210      $type = get_comment_type();
 211      switch( $type ) {
 212          case 'trackback' :
 213              echo $trackbacktxt;
 214              break;
 215          case 'pingback' :
 216              echo $pingbacktxt;
 217              break;
 218          default :
 219              echo $commenttxt;
 220      }
 221  }
 222  
 223  function get_trackback_url() {
 224      global $id;
 225      $tb_url = get_settings('siteurl') . '/wp-trackback.php?p=' . $id;
 226  
 227      if ( '' != get_settings('permalink_structure') )
 228          $tb_url = trailingslashit(get_permalink()) . 'trackback/';
 229  
 230      return $tb_url;
 231  }
 232  function trackback_url( $display = true ) {
 233      if ( $display)
 234          echo get_trackback_url();
 235      else
 236          return get_trackback_url();
 237  }
 238  
 239  function trackback_rdf($timezone = 0) {
 240      global $id;
 241      if (!stristr($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator')) {
 242      echo '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" 
 243          xmlns:dc="http://purl.org/dc/elements/1.1/"
 244          xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/">
 245          <rdf:Description rdf:about="';
 246      the_permalink();
 247      echo '"'."\n";
 248      echo '    dc:identifier="';
 249      the_permalink();
 250      echo '"'."\n";
 251      echo '    dc:title="'.str_replace('--', '&#x2d;&#x2d;', wptexturize(strip_tags(get_the_title()))).'"'."\n";
 252      echo '    trackback:ping="'.trackback_url(0).'"'." />\n";
 253      echo '</rdf:RDF>';
 254      }
 255  }
 256  
 257  function comments_open() {
 258      global $post;
 259      if ( 'open' == $post->comment_status )
 260          return true;
 261      else
 262          return false;
 263  }
 264  
 265  function pings_open() {
 266      global $post;
 267      if ( 'open' == $post->ping_status ) 
 268          return true;
 269      else
 270          return false;
 271  }
 272  
 273  function comments_template( $file = '/comments.php' ) {
 274      global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_ID, $user_identity;
 275  
 276      if ( ! (is_single() || is_page() || $withcomments) )
 277          return;
 278  
 279      $req = get_settings('require_name_email');
 280      $commenter = wp_get_current_commenter();
 281      extract($commenter);
 282  
 283      // TODO: Use API instead of SELECTs.
 284      if ( empty($comment_author) ) {
 285          $comments = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post->ID' AND comment_approved = '1' ORDER BY comment_date");
 286      } else {
 287          $author_db = $wpdb->escape($comment_author);
 288          $email_db  = $wpdb->escape($comment_author_email);
 289          $comments = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post->ID' AND ( comment_approved = '1' OR ( comment_author = '$author_db' AND comment_author_email = '$email_db' AND comment_approved = '0' ) ) ORDER BY comment_date");
 290      }
 291  
 292      define('COMMENTS_TEMPLATE', true);
 293      $include = apply_filters('comments_template', TEMPLATEPATH . $file );
 294      if ( file_exists( $include ) )
 295          require( $include );
 296      else
 297          require ( ABSPATH . 'wp-content/themes/default/comments.php');
 298  }
 299  
 300  function comments_popup_script($width=400, $height=400, $file='') {
 301      global $wpcommentspopupfile, $wptrackbackpopupfile, $wppingbackpopupfile, $wpcommentsjavascript;
 302  
 303          if (empty ($file)) {
 304              $wpcommentspopupfile = '';  // Use the index.
 305          } else {
 306              $wpcommentspopupfile = $file;
 307          }
 308  
 309      $wpcommentsjavascript = 1;
 310      $javascript = "<script type='text/javascript'>\nfunction wpopen (macagna) {\n    window.open(macagna, '_blank', 'width=$width,height=$height,scrollbars=yes,status=yes');\n}\n</script>\n";
 311      echo $javascript;
 312  }
 313  
 314  function comments_popup_link($zero='No Comments', $one='1 Comment', $more='% Comments', $CSSclass='', $none='Comments Off') {
 315      global $id, $wpcommentspopupfile, $wpcommentsjavascript, $post, $wpdb;
 316  
 317      if ( is_single() || is_page() )
 318          return;
 319  
 320      $number = get_comments_number($id);
 321  
 322      if ( 0 == $number && 'closed' == $post->comment_status && 'closed' == $post->ping_status ) {
 323          echo $none;
 324          return;
 325      }
 326  
 327      if ( !empty($post->post_password) ) { // if there's a password
 328          if ($_COOKIE['wp-postpass_'.COOKIEHASH] != $post->post_password) {  // and it doesn't match the cookie
 329              echo(__('Enter your password to view comments'));
 330              return;
 331          }
 332      }
 333  
 334      echo '<a href="';
 335      if ($wpcommentsjavascript) {
 336          if ( empty($wpcommentspopupfile) )
 337              $home = get_settings('home');
 338          else
 339              $home = get_settings('siteurl');
 340          echo $home . '/' . $wpcommentspopupfile.'?comments_popup='.$id;
 341          echo '" onclick="wpopen(this.href); return false"';
 342      } else { // if comments_popup_script() is not in the template, display simple comment link
 343          if ( 0 == $number )
 344              echo get_permalink() . '#respond';
 345          else
 346              comments_link();
 347          echo '"';
 348      }
 349  
 350      if (!empty($CSSclass)) {
 351          echo ' class="'.$CSSclass.'"';
 352      }
 353      $title = wp_specialchars(apply_filters('the_title', get_the_title()), true);
 354      echo ' title="' . sprintf( __('Comment on %s'), $title ) .'">';
 355      comments_number($zero, $one, $more, $number);
 356      echo '</a>';
 357  }
 358  
 359  ?>