include/conversation.php

   1 <?php
   2
   3 /**
   4  * "Render" a conversation or list of items for HTML display.
   5  * There are two major forms of display:
   6  *      - Sequential or unthreaded ("New Item View" or search results)
   7  *      - conversation view
   8  * The $mode parameter decides between the various renderings and also
   9  * figures out how to determine page owner and other contextual items
  10  * that are based on unique features of the calling module.
  11  *
  12  */
  13
  14 function conversation(&$a, $items, $mode, $update) {
  15
  16         require_once('bbcode.php');
  17
  18         $profile_owner = 0;
  19         $page_writeable      = false;
  20
  21         if($mode === 'network') {
  22                 $profile_owner = local_user();
  23                 $page_writeable = true;
  24         }
  25
  26         if($mode === 'profile') {
  27                 $profile_owner = $a->profile['profile_uid'];
  28                 $page_writeable = can_write_wall($a,$profile_owner);
  29         }
  30
  31         if($mode === 'display') {
  32                 $profile_owner = $a->profile['uid'];
  33                 $page_writeable = can_write_wall($a,$profile_owner);
  34         }
  35
  36         if($update)
  37                 $return_url = $_SESSION['return_url'];
  38         else
  39                 $return_url = $_SESSION['return_url'] = $a->cmd;
  40
  41
  42         // find all the authors involved in remote conversations
  43         // We will use a local profile photo if they are one of our contacts
  44         // otherwise we have to get the photo from the item owner's site
  45
  46         $author_contacts = extract_item_authors($items,local_user());
  47
  48
  49         $cmnt_tpl    = load_view_file('view/comment_item.tpl');
  50         $like_tpl    = load_view_file('view/like.tpl');
  51         $noshare_tpl = load_view_file('view/like_noshare.tpl');
  52         $tpl         = load_view_file('view/wall_item.tpl');
  53         $wallwall    = load_view_file('view/wallwall_item.tpl');
  54
  55         $alike = array();
  56         $dlike = array();
  57
  58         if(count($items)) {
  59
  60                 if($mode === 'network-new' || $mode === 'search') {
  61
  62                         // "New Item View" on network page or search page results
  63                         // - just loop through the items and format them minimally for display
  64
  65                         $tpl = load_view_file('view/search_item.tpl');
  66                         $droptpl = load_view_file('view/wall_fake_drop.tpl');
  67
  68                         foreach($items as $item) {
  69
  70                                 $comment     = '';
  71                                 $owner_url   = '';
  72                                 $owner_photo = '';
  73                                 $owner_name  = '';
  74                                 $sparkle     = '';
  75
  76                                 if($mode === 'search') {
  77                                         if(((activity_match($item['verb'],ACTIVITY_LIKE)) || (activity_match($item['verb'],ACTIVITY_DISLIKE)))
  78                                                 && ($item['id'] != $item['parent']))
  79                                                 continue;
  80                                         $nickname = $item['nickname'];
  81                                 }
  82                                 else
  83                                         $nickname = $a->user['nickname'];
  84
  85                                 $profile_name   = ((strlen($item['author-name']))   ? $item['author-name']   : $item['name']);
  86                                 $profile_avatar = ((strlen($item['author-avatar'])) ? $item['author-avatar'] : $item['thumb']);
  87                                 $profile_link   = ((strlen($item['author-link']))   ? $item['author-link']   : $item['url']);
  88
  89                                 $redirect_url = $a->get_baseurl() . '/redir/' . $item['cid'] ;
  90
  91                                 if(strlen($item['author-link'])) {
  92                                         if(link_compare($item['author-link'],$item['url']) && ($item['network'] === 'dfrn') && (! $item['self'])) {
  93                                                 $profile_link = $redirect_url;
  94                                                 $sparkle = ' sparkle';
  95                                         }
  96                                         elseif(isset($author_contacts[$item['author-link']])) {
  97                                                 $profile_link = $a->get_baseurl() . '/redir/' . $author_contacts[$item['author-link']];
  98                                                 $sparkle = ' sparkle';
  99                                         }
 100                                 }
 101
 102                                 $location = (($item['location']) ? '<a target="map" title="' . $item['location'] . '" href="http://maps.google.com/?q=' . urlencode($item['location']) . '">' . $item['location'] . '</a>' : '');
 103                                 $coord = (($item['coord']) ? '<a target="map" title="' . $item['coord'] . '" href="http://maps.google.com/?q=' . urlencode($item['coord']) . '">' . $item['coord'] . '</a>' : '');
 104                                 if($coord) {
 105                                         if($location)
 106                                                 $location .= '<br /><span class="smalltext">(' . $coord . ')</span>';
 107                                         else
 108                                                 $location = '<span class="smalltext">' . $coord . '</span>';
 109                                 }
 110
 111                                 $drop = '';
 112                                 $dropping = false;
 113
 114                                 if((intval($item['contact-id']) && $item['contact-id'] == remote_user()) || ($item['uid'] == local_user()))
 115                                         $dropping = true;
 116
 117                     $drop = replace_macros((($dropping)? $droptpl : $fakedrop), array('$id' => $item['id'], '$delete' => t('Delete')));
 118
 119
 120
 121                                 $drop = replace_macros($droptpl,array('$id' => $item['id']));
 122                                 $lock = '<div class="wall-item-lock"></div>';
 123
 124                                 $o .= replace_macros($tpl,array(
 125                                         '$id' => $item['item_id'],
 126                                         '$linktitle' => sprintf( t('View %s\'s profile'), $profile_name),
 127                                         '$profile_url' => $profile_link,
 128                                         '$item_photo_menu' => item_photo_menu($item),
 129                                         '$name' => $profile_name,
 130                                         '$sparkle' => $sparkle,
 131                                         '$lock' => $lock,
 132                                         '$thumb' => $profile_avatar,
 133                                         '$title' => $item['title'],
 134                                         '$body' => smilies(bbcode($item['body'])),
 135                                         '$ago' => relative_date($item['created']),
 136                                         '$location' => $location,
 137                                         '$indent' => '',
 138                                         '$owner_url' => $owner_url,
 139                                         '$owner_photo' => $owner_photo,
 140                                         '$owner_name' => $owner_name,
 141                                         '$drop' => $drop,
 142                                         '$conv' => '<a href="' . $a->get_baseurl() . '/display/' . $nickname . '/' . $item['id'] . '">' . t('View in context') . '</a>'
 143                                 ));
 144
 145                         }
 146
 147                         return $o;
 148                 }
 149
 150
 151
 152
 153                 // Normal View
 154
 155
 156                 // Figure out how many comments each parent has
 157                 // (Comments all have gravity of 6)
 158                 // Store the result in the $comments array
 159
 160                 $comments = array();
 161                 foreach($items as $item) {
 162                         if(intval($item['gravity']) == 6) {
 163                                 if(! x($comments,$item['parent']))
 164                                         $comments[$item['parent']] = 1;
 165                                 else
 166                                         $comments[$item['parent']] += 1;
 167                         }
 168                 }
 169
 170                 // map all the like/dislike activities for each parent item
 171                 // Store these in the $alike and $dlike arrays
 172
 173                 foreach($items as $item) {
 174                         like_puller($a,$item,$alike,'like');
 175                         like_puller($a,$item,$dlike,'dislike');
 176                 }
 177
 178                 $comments_collapsed = false;
 179                 $blowhard = 0;
 180                 $blowhard_count = 0;
 181
 182                 foreach($items as $item) {
 183
 184                         $comment = '';
 185                         $template = $tpl;
 186                         $commentww = '';
 187                         $sparkle = '';
 188                         $owner_url = $owner_photo = $owner_name = '';
 189
 190                         // We've already parsed out like/dislike for special treatment. We can ignore them now
 191
 192                         if(((activity_match($item['verb'],ACTIVITY_LIKE))
 193                                 || (activity_match($item['verb'],ACTIVITY_DISLIKE)))
 194                                 && ($item['id'] != $item['parent']))
 195                                 continue;
 196
 197                         $toplevelpost = (($item['id'] == $item['parent']) ? true : false);
 198
 199
 200                         // Take care of author collapsing and comment collapsing
 201                         // If a single author has more than 3 consecutive top-level posts, squash the remaining ones.
 202                         // If there are more than two comments, squash all but the last 2.
 203
 204                         if($toplevelpost) {
 205
 206                                 $item_writeable = (($item['writable'] || $item['self']) ? true : false);
 207
 208                                 if($blowhard == $item['cid'] && (! $item['self']) && ($mode != 'profile')) {
 209                                         $blowhard_count ++;
 210                                         if($blowhard_count == 3) {
 211                                                 $o .= '<div class="icollapse-wrapper fakelink" id="icollapse-wrapper-' . $item['parent']
 212                                                         . '" onclick="openClose(' . '\'icollapse-' . $item['parent'] . '\');" >'
 213                                                         . t('See more posts like this') . '</div>' . '<div class="icollapse" id="icollapse-'
 214                                                         . $item['parent'] . '" style="display: none;" >';
 215                                         }
 216                                 }
 217                                 else {
 218                                         $blowhard = $item['cid'];
 219                                         if($blowhard_count >= 3)
 220                                                 $o .= '</div>';
 221                                         $blowhard_count = 0;
 222                                 }
 223
 224                                 $comments_seen = 0;
 225                                 $comments_collapsed = false;
 226                         }
 227                         else
 228                                 $comments_seen ++;
 229
 230
 231                         $show_comment_box = ((($page_writeable) && ($item_writeable) && ($comments_seen == $comments[$item['parent']])) ? true : false);
 232
 233                         if(($comments[$item['parent']] > 2) && ($comments_seen <= ($comments[$item['parent']] - 2)) && ($item['gravity'] == 6)) {
 234                                 if(! $comments_collapsed) {
 235                                         $o .= '<div class="ccollapse-wrapper fakelink" id="ccollapse-wrapper-' . $item['parent']
 236                                                 . '" onclick="openClose(' . '\'ccollapse-' . $item['parent'] . '\');" >'
 237                                                 . sprintf( t('See all %d comments'), $comments[$item['parent']]) . '</div>'
 238                                                 . '<div class="ccollapse" id="ccollapse-' . $item['parent'] . '" style="display: none;" >';
 239                                         $comments_collapsed = true;
 240                                 }
 241                         }
 242                         if(($comments[$item['parent']] > 2) && ($comments_seen == ($comments[$item['parent']] - 1))) {
 243                                 $o .= '</div>';
 244                         }
 245
 246                         $redirect_url = $a->get_baseurl() . '/redir/' . $item['cid'] ;
 247
 248                         $lock = ((($item['private']) || (($item['uid'] == local_user()) && (strlen($item['allow_cid']) || strlen($item['allow_gid'])
 249                                 || strlen($item['deny_cid']) || strlen($item['deny_gid']))))
 250                                 ? '<div class="wall-item-lock"><img src="images/lock_icon.gif" class="lockview" alt="' . t('Private Message') . '" onclick="lockview(event,' . $item['id'] . ');" /></div>'
 251                                 : '<div class="wall-item-lock"></div>');
 252
 253
 254                         // Top-level wall post not written by the wall owner (wall-to-wall)
 255                         // First figure out who owns it.
 256
 257                         $osparkle = '';
 258
 259                         if(($toplevelpost) && (! $item['self']) && ($mode !== 'profile')) {
 260
 261                                 if($item['type'] === 'wall') {
 262
 263                                         // On the network page, I am the owner. On the display page it will be the profile owner.
 264                                         // This will have been stored in $a->page_contact by our calling page.
 265                                         // Put this person on the left of the wall-to-wall notice.
 266
 267                                         $owner_url = $a->page_contact['url'];
 268                                         $owner_photo = $a->page_contact['thumb'];
 269                                         $owner_name = $a->page_contact['name'];
 270                                         $template = $wallwall;
 271                                         $commentww = 'ww';
 272                                 }
 273                                 if(($item['type'] === 'remote') && (strlen($item['owner-link'])) && ($item['owner-link'] != $item['author-link'])) {
 274
 275                                         // Could be anybody.
 276
 277                                         $owner_url = $item['owner-link'];
 278                                         $owner_photo = $item['owner-avatar'];
 279                                         $owner_name = $item['owner-name'];
 280                                         $template = $wallwall;
 281                                         $commentww = 'ww';
 282                                         // If it is our contact, use a friendly redirect link
 283                                         if((link_compare($item['owner-link'],$item['url']))
 284                                                 && ($item['network'] === 'dfrn')) {
 285                                                 $owner_url = $redirect_url;
 286                                                 $osparkle = ' sparkle';
 287                                         }
 288                                 }
 289                         }
 290
 291
 292                         $likebuttons = '';
 293
 294                         if($page_writeable) {
 295                                 if($toplevelpost) {
 296                                         $likebuttons = replace_macros((($item['private']) ? $noshare_tpl : $like_tpl),array(
 297                                                 '$id' => $item['id'],
 298                                                 '$likethis' => t("I like this \x28toggle\x29"),
 299                                                 '$nolike' => t("I don't like this \x28toggle\x29"),
 300                                                 '$share' => t('Share'),
 301                                                 '$wait' => t('Please wait')
 302                                         ));
 303                                 }
 304
 305                                 if(($show_comment_box) || (($show_comment_box == false) && ($item['last-child']))) {
 306                                         $comment = replace_macros($cmnt_tpl,array(
 307                                                 '$return_path' => '',
 308                                                 '$jsreload' => (($mode === 'display') ? $_SESSION['return_url'] : ''),
 309                                                 '$type' => (($mode === 'profile') ? 'wall-comment' : 'net-comment'),
 310                                                 '$id' => $item['item_id'],
 311                                                 '$parent' => $item['parent'],
 312                                                 '$profile_uid' =>  $profile_owner,
 313                                                 '$mylink' => $a->contact['url'],
 314                                                 '$mytitle' => t('This is you'),
 315                                                 '$myphoto' => $a->contact['thumb'],
 316                                                 '$comment' => t('Comment'),
 317                                                 '$submit' => t('Submit'),
 318                                                 '$ww' => (($mode === 'network') ? $commentww : '')
 319                                         ));
 320                                 }
 321                         }
 322
 323                         $edpost = ((($profile_owner == local_user()) && ($toplevelpost) && (intval($item['wall']) == 1))
 324                                         ? '<a class="editpost" href="' . $a->get_baseurl() . '/editpost/' . $item['id']
 325                                                 . '" title="' . t('Edit') . '"><img src="images/pencil.gif" /></a>'
 326                                         : '');
 327                         $drop = replace_macros(load_view_file('view/wall_item_drop.tpl'), array('$id' => $item['id'], '$delete' => t('Delete')));
 328
 329                         $photo = $item['photo'];
 330                         $thumb = $item['thumb'];
 331
 332                         // Post was remotely authored.
 333
 334                         $diff_author    = ((link_compare($item['url'],$item['author-link'])) ? false : true);
 335
 336                         $profile_name   = (((strlen($item['author-name']))   && $diff_author) ? $item['author-name']   : $item['name']);
 337                         $profile_avatar = (((strlen($item['author-avatar'])) && $diff_author) ? $item['author-avatar'] : $thumb);
 338
 339                         if($mode === 'profile') {
 340                                 if(local_user() && ($item['contact-uid'] == local_user()) && ($item['network'] === 'dfrn') && (! $item['self'] )) {
 341                         $profile_link = $redirect_url;
 342                     $sparkle = ' sparkle';
 343                     }
 344                                 else {
 345                                         $profile_link = $item['url'];
 346                                         $sparkle = '';
 347                                 }
 348                         }
 349                         elseif(strlen($item['author-link'])) {
 350                                 $profile_link = $item['author-link'];
 351                                 if(link_compare($item['author-link'],$item['url']) && ($item['network'] === 'dfrn') && (! $item['self'])) {
 352                                         $profile_link = $redirect_url;
 353                                         $sparkle = ' sparkle';
 354                                 }
 355                                 elseif(isset($author_contacts[$item['author-link']])) {
 356                                         $profile_link = $a->get_baseurl() . '/redir/' . $author_contacts[$item['author-link']];
 357                                         $sparkle = ' sparkle';
 358                                 }
 359                         }
 360                         else
 361                                 $profile_link = $item['url'];
 362
 363                         $like    = ((x($alike,$item['id'])) ? format_like($alike[$item['id']],$alike[$item['id'] . '-l'],'like',$item['id']) : '');
 364                         $dislike = ((x($dlike,$item['id'])) ? format_like($dlike[$item['id']],$dlike[$item['id'] . '-l'],'dislike',$item['id']) : '');
 365
 366                         $location = (($item['location']) ? '<a target="map" title="' . $item['location']
 367                                 . '" href="http://maps.google.com/?q=' . urlencode($item['location']) . '">' . $item['location'] . '</a>' : '');
 368                         $coord = (($item['coord']) ? '<a target="map" title="' . $item['coord']
 369                                 . '" href="http://maps.google.com/?q=' . urlencode($item['coord']) . '">' . $item['coord'] . '</a>' : '');
 370                         if($coord) {
 371                                 if($location)
 372                                         $location .= '<br /><span class="smalltext">(' . $coord . ')</span>';
 373                                 else
 374                                         $location = '<span class="smalltext">' . $coord . '</span>';
 375                         }
 376
 377                         $indent = (($toplevelpost) ? '' : ' comment');
 378
 379                         if(strcmp(datetime_convert('UTC','UTC',$item['created']),datetime_convert('UTC','UTC','now - 12 hours')) > 0)
 380                                 $indent .= ' shiny';
 381
 382                         // Build the HTML
 383
 384                         $tmp_item = replace_macros($template,array(
 385                                 '$id' => $item['item_id'],
 386                                 '$linktitle' => sprintf( t('View %s\'s profile'), $profile_name),
 387                                 '$olinktitle' => sprintf( t('View %s\'s profile'), $owner_name),
 388                                 '$to' => t('to'),
 389                                 '$wall' => t('Wall-to-Wall'),
 390                                 '$vwall' => t('via Wall-To-Wall:'),
 391                                 '$profile_url' => $profile_link,
 392                                 '$item_photo_menu' => item_photo_menu($item),
 393                                 '$name' => $profile_name,
 394                                 '$thumb' => $profile_avatar,
 395                                 '$osparkle' => $osparkle,
 396                                 '$sparkle' => $sparkle,
 397                                 '$title' => $item['title'],
 398                                 '$body' => smilies(bbcode($item['body'])),
 399                                 '$ago' => relative_date($item['created']),
 400                                 '$lock' => $lock,
 401                                 '$location' => $location,
 402                                 '$indent' => $indent,
 403                                 '$owner_url' => $owner_url,
 404                                 '$owner_photo' => $owner_photo,
 405                                 '$owner_name' => $owner_name,
 406                                 '$plink' => get_plink($item),
 407                                 '$edpost' => $edpost,
 408                                 '$drop' => $drop,
 409                                 '$vote' => $likebuttons,
 410                                 '$like' => $like,
 411                                 '$dislike' => $dislike,
 412                                 '$comment' => $comment
 413                         ));
 414
 415                         $arr = array('item' => $item, 'output' => $tmp_item);
 416                         call_hooks('display_item', $arr);
 417
 418                         $o .= $arr['output'];
 419
 420                 }
 421         }
 422
 423
 424         // if author collapsing is in force but didn't get closed, close it off now.
 425
 426         if($blowhard_count >= 3)
 427                 $o .= '</div>';
 428
 429         return $o;
 430 }
 431
 432
 433
 434
 435 if(! function_exists('extract_item_authors')) {
 436 function extract_item_authors($arr,$uid) {
 437
 438         if((! $uid) || (! is_array($arr)) || (! count($arr)))
 439                 return array();
 440         $urls = array();
 441         foreach($arr as $rr) {
 442                 if(! in_array("'" . dbesc($rr['author-link']) . "'",$urls))
 443                         $urls[] = "'" . dbesc($rr['author-link']) . "'";
 444         }
 445
 446         // pre-quoted, don't put quotes on %s
 447         if(count($urls)) {
 448                 $r = q("SELECT `id`,`network`,`url` FROM `contact` WHERE `uid` = %d AND `url` IN ( %s )  AND `self` = 0 AND `blocked` = 0 ",
 449                         intval($uid),
 450                         implode(',',$urls)
 451                 );
 452                 if(count($r)) {
 453                         $ret = array();
 454                         $authors = array();
 455                         foreach($r as $rr){
 456                                 if ($rr['network']=='dfrn')
 457                                         $ret[$rr['url']] = $rr['id'];
 458                                 $authors[$r['url']]= $rr;
 459                         }
 460                         $a->authors = $authors;
 461                         return $ret;
 462                 }
 463         }
 464         return array();
 465 }}
 466
 467 if(! function_exists('item_photo_menu')){
 468 function item_photo_menu($item){
 469         $a = get_app();
 470
 471         if (!isset($a->authors)){
 472                 $rr = q("SELECT `id`, `network`, `url` FROM `contact` WHERE `uid`=%d AND `self`=0 AND `blocked`=0 ", intval(local_user()));
 473                 $authors = array();
 474                 foreach($rr as $r) $authors[$r['url']]= $r;
 475                 $a->authors = $authors;
 476         }
 477
 478         $contact_url="";
 479         $pm_url="";
 480
 481         $status_link="";
 482         $photo_link="";
 483         $profile_link   = ((strlen($item['author-link']))   ? $item['author-link'] : $item['url']);
 484         $redirect_url = $a->get_baseurl() . '/redir/' . $item['cid'] ;
 485
 486         // $item['contact-uid'] is only set on profile page and indicates the uid of the user who owns the profile.
 487
 488         $profile_owner = ((x($item,'contact-uid')) && intval($item['contact-uid']) ? intval($item['contact-uid']) : 0);
 489
 490         // So we are checking that this is a logged in user on some page that *isn't* a profile page
 491         // OR a profile page where the viewer owns the profile.
 492         // Then check if we can use a sparkle (redirect) link to the profile by virtue of it being our contact
 493         // or a friend's contact that we both have a connection to.
 494
 495         if((local_user() && ($profile_owner == 0))
 496                 || ($profile_owner && $profile_owner == local_user())) {
 497
 498                 if(strlen($item['author-link']) && link_compare($item['author-link'],$item['url'])) {
 499                         $redir = $redirect_url;
 500                         $cid = $item['cid'];
 501                 }
 502                 elseif(isset($a->authors[$item['author-link']])) {
 503                         $redir = $a->get_baseurl() . '/redir/' . $a->authors[$item['author-link']]['id'];
 504                         $cid = $a->authors[$item['author-link']]['id'];
 505                 }
 506
 507                 if((isset($cid)) && (! $item['self'])) {
 508                         $contact_url = $a->get_baseurl() . '/contacts/' . $cid;
 509                         if($item['network'] === 'dfrn') {
 510                                 $status_link = $redir . "?url=status";
 511                                 $profile_link = $redir . "?url=profile";
 512                                 $photos_link = $redir . "?url=photos";
 513                                 $pm_url = $a->get_baseurl() . '/message/new/' . $cid;
 514                         }
 515                 }
 516         }
 517
 518
 519         $menu = Array(
 520                 t("View status") => $status_link,
 521                 t("View profile") => $profile_link,
 522                 t("View photos") => $photos_link,
 523                 t("Edit contact") => $contact_url,
 524                 t("Send PM") => $pm_url,
 525         );
 526
 527
 528         $args = array($item, &$menu);
 529
 530         call_hooks('item_photo_menu', $args);
 531
 532         $o = "";
 533         foreach($menu as $k=>$v){
 534                 if ($v!="") $o .= "<li><a href='$v'>$k</a></li>\n";
 535         }
 536         return $o;
 537 }}
 538
 539 if(! function_exists('like_puller')) {
 540 function like_puller($a,$item,&$arr,$mode) {
 541
 542         $url = '';
 543         $sparkle = '';
 544         $verb = (($mode === 'like') ? ACTIVITY_LIKE : ACTIVITY_DISLIKE);
 545
 546         if((activity_match($item['verb'],$verb)) && ($item['id'] != $item['parent'])) {
 547                 $url = $item['author-link'];
 548                 if((local_user()) && (local_user() == $item['uid']) && ($item['network'] === 'dfrn') && (! $item['self']) && (link_compare($item['author-link'],$item['url']))) {
 549                         $url = $a->get_baseurl() . '/redir/' . $item['contact-id'];
 550                         $sparkle = ' class="sparkle" ';
 551                 }
 552                 if(! ((isset($arr[$item['parent'] . '-l'])) && (is_array($arr[$item['parent'] . '-l']))))
 553                         $arr[$item['parent'] . '-l'] = array();
 554                 if(! isset($arr[$item['parent']]))
 555                         $arr[$item['parent']] = 1;
 556                 else
 557                         $arr[$item['parent']] ++;
 558                 $arr[$item['parent'] . '-l'][] = '<a href="'. $url . '"'. $sparkle .'>' . $item['author-name'] . '</a>';
 559         }
 560         return;
 561 }}
 562
 563 // Format the like/dislike text for a profile item
 564 // $cnt = number of people who like/dislike the item
 565 // $arr = array of pre-linked names of likers/dislikers
 566 // $type = one of 'like, 'dislike'
 567 // $id  = item id
 568 // returns formatted text
 569
 570 if(! function_exists('format_like')) {
 571 function format_like($cnt,$arr,$type,$id) {
 572         $o = '';
 573         if($cnt == 1)
 574                 $o .= (($type === 'like') ? sprintf( t('%s likes this.'), $arr[0]) : sprintf( t('%s doesn\'t like this.'), $arr[0])) . EOL ;
 575         else {
 576                 $spanatts = 'class="fakelink" onclick="openClose(\'' . $type . 'list-' . $id . '\');"';
 577                 $o .= (($type === 'like') ?
 578                                         sprintf( t('<span  %1$s>%2$d people</span> like this.'), $spanatts, $cnt)
 579                                          :
 580                                         sprintf( t('<span  %1$s>%2$d people</span> don\'t like this.'), $spanatts, $cnt) );
 581                 $o .= EOL ;
 582                 $total = count($arr);
 583                 if($total >= MAX_LIKERS)
 584                         $arr = array_slice($arr, 0, MAX_LIKERS - 1);
 585                 if($total < MAX_LIKERS)
 586                         $arr[count($arr)-1] = t('and') . ' ' . $arr[count($arr)-1];
 587                 $str = implode(', ', $arr);
 588                 if($total >= MAX_LIKERS)
 589                         $str .= sprintf( t(', and %d other people'), $total - MAX_LIKERS );
 590                 $str = (($type === 'like') ? sprintf( t('%s like this.'), $str) : sprintf( t('%s don\'t like this.'), $str));
 591                 $o .= "\t" . '<div id="' . $type . 'list-' . $id . '" style="display: none;" >' . $str . '</div>';
 592         }
 593         return $o;
 594 }}