source: trunk/www.guidonia.net/wp/wp-includes/comment-template.php@ 44

Last change on this file since 44 was 44, checked in by luciano, 15 years ago
File size: 42.6 KB
Line 
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 */
22function 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 */
43function 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 */
57function 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 */
74function 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 $after The text or HTML to display after the email link.
95 */
96function comment_author_email_link($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 $after The text or HTML to display after the email link.
117 */
118function get_comment_author_email_link($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 */
140function 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 */
158function 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 */
171function 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 */
182function 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 */
194function get_comment_author_url() {
195 global $comment;
196 $url = ('http://' == $comment->comment_author_url) ? '' : $comment->comment_author_url;
197 return apply_filters('get_comment_author_url', $url);
198}
199
200/**
201 * Display the url of the author of the current comment.
202 *
203 * @since 0.71
204 * @uses apply_filters()
205 * @uses get_comment_author_url() Retrieves the comment author's URL
206 */
207function comment_author_url() {
208 echo apply_filters('comment_url', get_comment_author_url());
209}
210
211/**
212 * Retrieves the HTML link of the url of the author of the current comment.
213 *
214 * $linktext parameter is only used if the URL does not exist for the comment
215 * author. If the URL does exist then the URL will be used and the $linktext
216 * will be ignored.
217 *
218 * Encapsulate the HTML link between the $before and $after. So it will appear
219 * in the order of $before, link, and finally $after.
220 *
221 * @since 1.5.0
222 * @uses apply_filters() Calls the 'get_comment_author_url_link' on the complete HTML before returning.
223 *
224 * @param string $linktext The text to display instead of the comment author's email address
225 * @param string $before The text or HTML to display before the email link.
226 * @param string $after The text or HTML to display after the email link.
227 * @return string The HTML link between the $before and $after parameters
228 */
229function get_comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
230 $url = get_comment_author_url();
231 $display = ($linktext != '') ? $linktext : $url;
232 $display = str_replace( 'http://www.', '', $display );
233 $display = str_replace( 'http://', '', $display );
234 if ( '/' == substr($display, -1) )
235 $display = substr($display, 0, -1);
236 $return = "$before<a href='$url' rel='external'>$display</a>$after";
237 return apply_filters('get_comment_author_url_link', $return);
238}
239
240/**
241 * Displays the HTML link of the url of the author of the current comment.
242 *
243 * @since 0.71
244 * @see get_comment_author_url_link() Echos result
245 *
246 * @param string $linktext The text to display instead of the comment author's email address
247 * @param string $before The text or HTML to display before the email link.
248 * @param string $after The text or HTML to display after the email link.
249 */
250function comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
251 echo get_comment_author_url_link( $linktext, $before, $after );
252}
253
254/**
255 * Generates semantic classes for each comment element
256 *
257 * @since 2.7.0
258 *
259 * @param string|array $class One or more classes to add to the class list
260 * @param int $comment_id An optional comment ID
261 * @param int $post_id An optional post ID
262 * @param bool $echo Whether comment_class should echo or return
263 */
264function comment_class( $class = '', $comment_id = null, $post_id = null, $echo = true ) {
265 // Separates classes with a single space, collates classes for comment DIV
266 $class = 'class="' . join( ' ', get_comment_class( $class, $comment_id, $post_id ) ) . '"';
267 if ( $echo)
268 echo $class;
269 else
270 return $class;
271}
272
273/**
274 * Returns the classes for the comment div as an array
275 *
276 * @since 2.7.0
277 *
278 * @param string|array $class One or more classes to add to the class list
279 * @param int $comment_id An optional comment ID
280 * @param int $post_id An optional post ID
281 * @return array Array of classes
282 */
283function get_comment_class( $class = '', $comment_id = null, $post_id = null ) {
284 global $comment_alt, $comment_depth, $comment_thread_alt;
285
286 $comment = get_comment($comment_id);
287
288 $classes = array();
289
290 // Get the comment type (comment, trackback),
291 $classes[] = ( empty( $comment->comment_type ) ) ? 'comment' : $comment->comment_type;
292
293 // If the comment author has an id (registered), then print the log in name
294 if ( $comment->user_id > 0 && $user = get_userdata($comment->user_id) ) {
295 // For all registered users, 'byuser'
296 $classes[] = 'byuser';
297 $classes[] = 'comment-author-' . sanitize_html_class($user->user_nicename, $comment->user_id);
298 // For comment authors who are the author of the post
299 if ( $post = get_post($post_id) ) {
300 if ( $comment->user_id === $post->post_author )
301 $classes[] = 'bypostauthor';
302 }
303 }
304
305 if ( empty($comment_alt) )
306 $comment_alt = 0;
307 if ( empty($comment_depth) )
308 $comment_depth = 1;
309 if ( empty($comment_thread_alt) )
310 $comment_thread_alt = 0;
311
312 if ( $comment_alt % 2 ) {
313 $classes[] = 'odd';
314 $classes[] = 'alt';
315 } else {
316 $classes[] = 'even';
317 }
318
319 $comment_alt++;
320
321 // Alt for top-level comments
322 if ( 1 == $comment_depth ) {
323 if ( $comment_thread_alt % 2 ) {
324 $classes[] = 'thread-odd';
325 $classes[] = 'thread-alt';
326 } else {
327 $classes[] = 'thread-even';
328 }
329 $comment_thread_alt++;
330 }
331
332 $classes[] = "depth-$comment_depth";
333
334 if ( !empty($class) ) {
335 if ( !is_array( $class ) )
336 $class = preg_split('#\s+#', $class);
337 $classes = array_merge($classes, $class);
338 }
339
340 return apply_filters('comment_class', $classes, $class, $comment_id, $post_id);
341}
342
343/**
344 * Retrieve the comment date of the current comment.
345 *
346 * @since 1.5.0
347 * @uses apply_filters() Calls 'get_comment_date' hook with the formated date and the $d parameter respectively
348 * @uses $comment
349 *
350 * @param string $d The format of the date (defaults to user's config)
351 * @return string The comment's date
352 */
353function get_comment_date( $d = '' ) {
354 global $comment;
355 if ( '' == $d )
356 $date = mysql2date(get_option('date_format'), $comment->comment_date);
357 else
358 $date = mysql2date($d, $comment->comment_date);
359 return apply_filters('get_comment_date', $date, $d);
360}
361
362/**
363 * Display the comment date of the current comment.
364 *
365 * @since 0.71
366 *
367 * @param string $d The format of the date (defaults to user's config)
368 */
369function comment_date( $d = '' ) {
370 echo get_comment_date( $d );
371}
372
373/**
374 * Retrieve the excerpt of the current comment.
375 *
376 * Will cut each word and only output the first 20 words with '...' at the end.
377 * If the word count is less than 20, then no truncating is done and no '...'
378 * will appear.
379 *
380 * @since 1.5.0
381 * @uses $comment
382 * @uses apply_filters() Calls 'get_comment_excerpt' on truncated comment
383 *
384 * @return string The maybe truncated comment with 20 words or less
385 */
386function get_comment_excerpt() {
387 global $comment;
388 $comment_text = strip_tags($comment->comment_content);
389 $blah = explode(' ', $comment_text);
390 if (count($blah) > 20) {
391 $k = 20;
392 $use_dotdotdot = 1;
393 } else {
394 $k = count($blah);
395 $use_dotdotdot = 0;
396 }
397 $excerpt = '';
398 for ($i=0; $i<$k; $i++) {
399 $excerpt .= $blah[$i] . ' ';
400 }
401 $excerpt .= ($use_dotdotdot) ? '...' : '';
402 return apply_filters('get_comment_excerpt', $excerpt);
403}
404
405/**
406 * Display the excerpt of the current comment.
407 *
408 * @since 1.2.0
409 * @uses apply_filters() Calls 'comment_excerpt' hook before displaying excerpt
410 */
411function comment_excerpt() {
412 echo apply_filters('comment_excerpt', get_comment_excerpt() );
413}
414
415/**
416 * Retrieve the comment id of the current comment.
417 *
418 * @since 1.5.0
419 * @uses $comment
420 * @uses apply_filters() Calls the 'get_comment_ID' hook for the comment ID
421 *
422 * @return int The comment ID
423 */
424function get_comment_ID() {
425 global $comment;
426 return apply_filters('get_comment_ID', $comment->comment_ID);
427}
428
429/**
430 * Displays the comment id of the current comment.
431 *
432 * @since 0.71
433 * @see get_comment_ID() Echos Result
434 */
435function comment_ID() {
436 echo get_comment_ID();
437}
438
439/**
440 * Retrieve the link to a given comment.
441 *
442 * @since 1.5.0
443 * @uses $comment
444 *
445 * @param object|string|int $comment Comment to retrieve.
446 * @param array $args Optional args.
447 * @return string The permalink to the given comment.
448 */
449function get_comment_link( $comment = null, $args = array() ) {
450 global $wp_rewrite, $in_comment_loop;
451
452 $comment = get_comment($comment);
453
454 // Backwards compat
455 if ( !is_array($args) ) {
456 $page = $args;
457 $args = array();
458 $args['page'] = $page;
459 }
460
461 $defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' );
462 $args = wp_parse_args( $args, $defaults );
463
464 if ( '' === $args['per_page'] && get_option('page_comments') )
465 $args['per_page'] = get_option('comments_per_page');
466
467 if ( empty($args['per_page']) ) {
468 $args['per_page'] = 0;
469 $args['page'] = 0;
470 }
471
472 if ( $args['per_page'] ) {
473 if ( '' == $args['page'] )
474 $args['page'] = ( !empty($in_comment_loop) ) ? get_query_var('cpage') : get_page_of_comment( $comment->comment_ID, $args );
475
476 if ( $wp_rewrite->using_permalinks() )
477 $link = user_trailingslashit( trailingslashit( get_permalink( $comment->comment_post_ID ) ) . 'comment-page-' . $args['page'], 'comment' );
478 else
479 $link = add_query_arg( 'cpage', $args['page'], get_permalink( $comment->comment_post_ID ) );
480 } else {
481 $link = get_permalink( $comment->comment_post_ID );
482 }
483
484 return apply_filters( 'get_comment_link', $link . '#comment-' . $comment->comment_ID, $comment, $args );
485}
486
487/**
488 * Retrieves the link to the current post comments.
489 *
490 * @since 1.5.0
491 *
492 * @return string The link to the comments
493 */
494function get_comments_link() {
495 return get_permalink() . '#comments';
496}
497
498/**
499 * Displays the link to the current post comments.
500 *
501 * @since 0.71
502 *
503 * @param string $deprecated Not Used
504 * @param bool $deprecated Not Used
505 */
506function comments_link( $deprecated = '', $deprecated = '' ) {
507 echo get_comments_link();
508}
509
510/**
511 * Retrieve the amount of comments a post has.
512 *
513 * @since 1.5.0
514 * @uses apply_filters() Calls the 'get_comments_number' hook on the number of comments
515 *
516 * @param int $post_id The Post ID
517 * @return int The number of comments a post has
518 */
519function get_comments_number( $post_id = 0 ) {
520 global $id;
521 $post_id = (int) $post_id;
522
523 if ( !$post_id )
524 $post_id = (int) $id;
525
526 $post = get_post($post_id);
527 if ( ! isset($post->comment_count) )
528 $count = 0;
529 else
530 $count = $post->comment_count;
531
532 return apply_filters('get_comments_number', $count);
533}
534
535/**
536 * Display the language string for the number of comments the current post has.
537 *
538 * @since 0.71
539 * @uses $id
540 * @uses apply_filters() Calls the 'comments_number' hook on the output and number of comments respectively.
541 *
542 * @param string $zero Text for no comments
543 * @param string $one Text for one comment
544 * @param string $more Text for more than one comment
545 * @param string $deprecated Not used.
546 */
547function comments_number( $zero = false, $one = false, $more = false, $deprecated = '' ) {
548 global $id;
549 $number = get_comments_number($id);
550
551 if ( $number > 1 )
552 $output = str_replace('%', number_format_i18n($number), ( false === $more ) ? __('% Comments') : $more);
553 elseif ( $number == 0 )
554 $output = ( false === $zero ) ? __('No Comments') : $zero;
555 else // must be one
556 $output = ( false === $one ) ? __('1 Comment') : $one;
557
558 echo apply_filters('comments_number', $output, $number);
559}
560
561/**
562 * Retrieve the text of the current comment.
563 *
564 * @since 1.5.0
565 * @uses $comment
566 *
567 * @return string The comment content
568 */
569function get_comment_text() {
570 global $comment;
571 return apply_filters('get_comment_text', $comment->comment_content);
572}
573
574/**
575 * Displays the text of the current comment.
576 *
577 * @since 0.71
578 * @uses apply_filters() Passes the comment content through the 'comment_text' hook before display
579 * @uses get_comment_text() Gets the comment content
580 */
581function comment_text() {
582 echo apply_filters('comment_text', get_comment_text() );
583}
584
585/**
586 * Retrieve the comment time of the current comment.
587 *
588 * @since 1.5.0
589 * @uses $comment
590 * @uses apply_filter() Calls 'get_comment_time' hook with the formatted time, the $d parameter, and $gmt parameter passed.
591 *
592 * @param string $d Optional. The format of the time (defaults to user's config)
593 * @param bool $gmt Whether to use the GMT date
594 * @param bool $translate Whether to translate the time (for use in feeds)
595 * @return string The formatted time
596 */
597function get_comment_time( $d = '', $gmt = false, $translate = true ) {
598 global $comment;
599 $comment_date = $gmt? $comment->comment_date_gmt : $comment->comment_date;
600 if ( '' == $d )
601 $date = mysql2date(get_option('time_format'), $comment_date, $translate);
602 else
603 $date = mysql2date($d, $comment_date, $translate);
604 return apply_filters('get_comment_time', $date, $d, $gmt);
605}
606
607/**
608 * Display the comment time of the current comment.
609 *
610 * @since 0.71
611 *
612 * @param string $d Optional. The format of the time (defaults to user's config)
613 */
614function comment_time( $d = '' ) {
615 echo get_comment_time($d);
616}
617
618/**
619 * Retrieve the comment type of the current comment.
620 *
621 * @since 1.5.0
622 * @uses $comment
623 * @uses apply_filters() Calls the 'get_comment_type' hook on the comment type
624 *
625 * @return string The comment type
626 */
627function get_comment_type() {
628 global $comment;
629
630 if ( '' == $comment->comment_type )
631 $comment->comment_type = 'comment';
632
633 return apply_filters('get_comment_type', $comment->comment_type);
634}
635
636/**
637 * Display the comment type of the current comment.
638 *
639 * @since 0.71
640 *
641 * @param string $commenttxt The string to display for comment type
642 * @param string $trackbacktxt The string to display for trackback type
643 * @param string $pingbacktxt The string to display for pingback type
644 */
645function comment_type($commenttxt = false, $trackbacktxt = false, $pingbacktxt = false) {
646 if ( false === $commenttxt ) $commenttxt = _x( 'Comment', 'noun' );
647 if ( false === $trackbacktxt ) $trackbacktxt = __( 'Trackback' );
648 if ( false === $pingbacktxt ) $pingbacktxt = __( 'Pingback' );
649 $type = get_comment_type();
650 switch( $type ) {
651 case 'trackback' :
652 echo $trackbacktxt;
653 break;
654 case 'pingback' :
655 echo $pingbacktxt;
656 break;
657 default :
658 echo $commenttxt;
659 }
660}
661
662/**
663 * Retrieve The current post's trackback URL.
664 *
665 * There is a check to see if permalink's have been enabled and if so, will
666 * retrieve the pretty path. If permalinks weren't enabled, the ID of the
667 * current post is used and appended to the correct page to go to.
668 *
669 * @since 1.5.0
670 * @uses apply_filters() Calls 'trackback_url' on the resulting trackback URL
671 * @uses $id
672 *
673 * @return string The trackback URL after being filtered
674 */
675function get_trackback_url() {
676 global $id;
677 if ( '' != get_option('permalink_structure') ) {
678 $tb_url = trailingslashit(get_permalink()) . user_trailingslashit('trackback', 'single_trackback');
679 } else {
680 $tb_url = get_option('siteurl') . '/wp-trackback.php?p=' . $id;
681 }
682 return apply_filters('trackback_url', $tb_url);
683}
684
685/**
686 * Displays the current post's trackback URL.
687 *
688 * @since 0.71
689 * @uses get_trackback_url() Gets the trackback url for the current post
690 *
691 * @param bool $deprecated Remove backwards compat in 2.5
692 * @return void|string Should only be used to echo the trackback URL, use get_trackback_url() for the result instead.
693 */
694function trackback_url($deprecated = true) {
695 if ($deprecated) echo get_trackback_url();
696 else return get_trackback_url();
697}
698
699/**
700 * Generates and displays the RDF for the trackback information of current post.
701 *
702 * @since 0.71
703 *
704 * @param int $deprecated Not used (Was $timezone = 0)
705 */
706function trackback_rdf($deprecated = '') {
707 if (stripos($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator') === false) {
708 echo '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
709 xmlns:dc="http://purl.org/dc/elements/1.1/"
710 xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/">
711 <rdf:Description rdf:about="';
712 the_permalink();
713 echo '"'."\n";
714 echo ' dc:identifier="';
715 the_permalink();
716 echo '"'."\n";
717 echo ' dc:title="'.str_replace('--', '&#x2d;&#x2d;', wptexturize(strip_tags(get_the_title()))).'"'."\n";
718 echo ' trackback:ping="'.get_trackback_url().'"'." />\n";
719 echo '</rdf:RDF>';
720 }
721}
722
723/**
724 * Whether the current post is open for comments.
725 *
726 * @since 1.5.0
727 * @uses $post
728 *
729 * @param int $post_id An optional post ID to check instead of the current post.
730 * @return bool True if the comments are open
731 */
732function comments_open( $post_id=NULL ) {
733
734 $_post = get_post($post_id);
735
736 $open = ( 'open' == $_post->comment_status );
737 return apply_filters( 'comments_open', $open, $post_id );
738}
739
740/**
741 * Whether the current post is open for pings.
742 *
743 * @since 1.5.0
744 * @uses $post
745 *
746 * @param int $post_id An optional post ID to check instead of the current post.
747 * @return bool True if pings are accepted
748 */
749function pings_open( $post_id = NULL ) {
750
751 $_post = get_post($post_id);
752
753 $open = ( 'open' == $_post->ping_status );
754 return apply_filters( 'pings_open', $open, $post_id );
755}
756
757/**
758 * Displays form token for unfiltered comments.
759 *
760 * Will only display nonce token if the current user has permissions for
761 * unfiltered html. Won't display the token for other users.
762 *
763 * The function was backported to 2.0.10 and was added to versions 2.1.3 and
764 * above. Does not exist in versions prior to 2.0.10 in the 2.0 branch and in
765 * the 2.1 branch, prior to 2.1.3. Technically added in 2.2.0.
766 *
767 * Backported to 2.0.10.
768 *
769 * @since 2.1.3
770 * @uses $post Gets the ID of the current post for the token
771 */
772function wp_comment_form_unfiltered_html_nonce() {
773 global $post;
774
775 $post_id = 0;
776 if ( !empty($post) )
777 $post_id = $post->ID;
778
779 if ( current_user_can('unfiltered_html') )
780 wp_nonce_field('unfiltered-html-comment_' . $post_id, '_wp_unfiltered_html_comment', false);
781}
782
783/**
784 * Loads the comment template specified in $file.
785 *
786 * Will not display the comments template if not on single post or page, or if
787 * the post does not have comments.
788 *
789 * Uses the WordPress database object to query for the comments. The comments
790 * are passed through the 'comments_array' filter hook with the list of comments
791 * and the post ID respectively.
792 *
793 * The $file path is passed through a filter hook called, 'comments_template'
794 * which includes the TEMPLATEPATH and $file combined. Tries the $filtered path
795 * first and if it fails it will require the default comment themplate from the
796 * default theme. If either does not exist, then the WordPress process will be
797 * halted. It is advised for that reason, that the default theme is not deleted.
798 *
799 * @since 1.5.0
800 * @global array $comment List of comment objects for the current post
801 * @uses $wpdb
802 * @uses $id
803 * @uses $post
804 * @uses $withcomments Will not try to get the comments if the post has none.
805 *
806 * @param string $file Optional, default '/comments.php'. The file to load
807 * @param bool $separate_comments Optional, whether to separate the comments by comment type. Default is false.
808 * @return null Returns null if no comments appear
809 */
810function comments_template( $file = '/comments.php', $separate_comments = false ) {
811 global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_ID, $user_identity, $overridden_cpage;
812
813 if ( ! (is_single() || is_page() || $withcomments) )
814 return;
815
816 if ( empty($file) )
817 $file = '/comments.php';
818
819 $req = get_option('require_name_email');
820 $commenter = wp_get_current_commenter();
821 extract($commenter, EXTR_SKIP);
822
823 /** @todo Use API instead of SELECTs. */
824 if ( $user_ID) {
825 $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, $user_ID));
826 } else if ( empty($comment_author) ) {
827 $comments = get_comments( array('post_id' => $post->ID, 'status' => 'approve', 'order' => 'ASC') );
828 } else {
829 $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));
830 }
831
832 // keep $comments for legacy's sake
833 $wp_query->comments = apply_filters( 'comments_array', $comments, $post->ID );
834 $comments = &$wp_query->comments;
835 $wp_query->comment_count = count($wp_query->comments);
836 update_comment_cache($wp_query->comments);
837
838 if ( $separate_comments ) {
839 $wp_query->comments_by_type = &separate_comments($comments);
840 $comments_by_type = &$wp_query->comments_by_type;
841 }
842
843 $overridden_cpage = FALSE;
844 if ( '' == get_query_var('cpage') && get_option('page_comments') ) {
845 set_query_var( 'cpage', 'newest' == get_option('default_comments_page') ? get_comment_pages_count() : 1 );
846 $overridden_cpage = TRUE;
847 }
848
849 if ( !defined('COMMENTS_TEMPLATE') || !COMMENTS_TEMPLATE)
850 define('COMMENTS_TEMPLATE', true);
851
852 $include = apply_filters('comments_template', STYLESHEETPATH . $file );
853 if ( file_exists( $include ) )
854 require( $include );
855 elseif ( file_exists( TEMPLATEPATH . $file ) )
856 require( TEMPLATEPATH . $file );
857 else
858 require( get_theme_root() . '/default/comments.php');
859}
860
861/**
862 * Displays the JS popup script to show a comment.
863 *
864 * If the $file parameter is empty, then the home page is assumed. The defaults
865 * for the window are 400px by 400px.
866 *
867 * For the comment link popup to work, this function has to be called or the
868 * normal comment link will be assumed.
869 *
870 * @since 0.71
871 * @global string $wpcommentspopupfile The URL to use for the popup window
872 * @global int $wpcommentsjavascript Whether to use JavaScript or not. Set when function is called
873 *
874 * @param int $width Optional. The width of the popup window
875 * @param int $height Optional. The height of the popup window
876 * @param string $file Optional. Sets the location of the popup window
877 */
878function comments_popup_script($width=400, $height=400, $file='') {
879 global $wpcommentspopupfile, $wpcommentsjavascript;
880
881 if (empty ($file)) {
882 $wpcommentspopupfile = ''; // Use the index.
883 } else {
884 $wpcommentspopupfile = $file;
885 }
886
887 $wpcommentsjavascript = 1;
888 $javascript = "<script type='text/javascript'>\nfunction wpopen (macagna) {\n window.open(macagna, '_blank', 'width=$width,height=$height,scrollbars=yes,status=yes');\n}\n</script>\n";
889 echo $javascript;
890}
891
892/**
893 * Displays the link to the comments popup window for the current post ID.
894 *
895 * Is not meant to be displayed on single posts and pages. Should be used on the
896 * lists of posts
897 *
898 * @since 0.71
899 * @uses $id
900 * @uses $wpcommentspopupfile
901 * @uses $wpcommentsjavascript
902 * @uses $post
903 *
904 * @param string $zero The string to display when no comments
905 * @param string $one The string to display when only one comment is available
906 * @param string $more The string to display when there are more than one comment
907 * @param string $css_class The CSS class to use for comments
908 * @param string $none The string to display when comments have been turned off
909 * @return null Returns null on single posts and pages.
910 */
911function comments_popup_link( $zero = false, $one = false, $more = false, $css_class = '', $none = false ) {
912 global $id, $wpcommentspopupfile, $wpcommentsjavascript, $post;
913
914 if ( false === $zero ) $zero = __( 'No Comments' );
915 if ( false === $one ) $one = __( '1 Comment' );
916 if ( false === $more ) $more = __( '% Comments' );
917 if ( false === $none ) $none = __( 'Comments Off' );
918
919 $number = get_comments_number( $id );
920
921 if ( 0 == $number && !comments_open() && !pings_open() ) {
922 echo '<span' . ((!empty($css_class)) ? ' class="' . $css_class . '"' : '') . '>' . $none . '</span>';
923 return;
924 }
925
926 if ( post_password_required() ) {
927 echo __('Enter your password to view comments');
928 return;
929 }
930
931 echo '<a href="';
932 if ( $wpcommentsjavascript ) {
933 if ( empty( $wpcommentspopupfile ) )
934 $home = get_option('home');
935 else
936 $home = get_option('siteurl');
937 echo $home . '/' . $wpcommentspopupfile . '?comments_popup=' . $id;
938 echo '" onclick="wpopen(this.href); return false"';
939 } else { // if comments_popup_script() is not in the template, display simple comment link
940 if ( 0 == $number )
941 echo get_permalink() . '#respond';
942 else
943 comments_link();
944 echo '"';
945 }
946
947 if ( !empty( $css_class ) ) {
948 echo ' class="'.$css_class.'" ';
949 }
950 $title = esc_attr( get_the_title() );
951
952 echo apply_filters( 'comments_popup_link_attributes', '' );
953
954 echo ' title="' . sprintf( __('Comment on %s'), $title ) . '">';
955 comments_number( $zero, $one, $more, $number );
956 echo '</a>';
957}
958
959/**
960 * Retrieve HTML content for reply to comment link.
961 *
962 * The default arguments that can be override are 'add_below', 'respond_id',
963 * 'reply_text', 'login_text', and 'depth'. The 'login_text' argument will be
964 * used, if the user must log in or register first before posting a comment. The
965 * 'reply_text' will be used, if they can post a reply. The 'add_below' and
966 * 'respond_id' arguments are for the JavaScript moveAddCommentForm() function
967 * parameters.
968 *
969 * @since 2.7.0
970 *
971 * @param array $args Optional. Override default options.
972 * @param int $comment Optional. Comment being replied to.
973 * @param int $post Optional. Post that the comment is going to be displayed on.
974 * @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
975 */
976function get_comment_reply_link($args = array(), $comment = null, $post = null) {
977 global $user_ID;
978
979 $defaults = array('add_below' => 'comment', 'respond_id' => 'respond', 'reply_text' => __('Reply'),
980 'login_text' => __('Log in to Reply'), 'depth' => 0, 'before' => '', 'after' => '');
981
982 $args = wp_parse_args($args, $defaults);
983
984 if ( 0 == $args['depth'] || $args['max_depth'] <= $args['depth'] )
985 return;
986
987 extract($args, EXTR_SKIP);
988
989 $comment = get_comment($comment);
990 $post = get_post($post);
991
992 if ( !comments_open($post->ID) )
993 return false;
994
995 $link = '';
996
997 if ( get_option('comment_registration') && !$user_ID )
998 $link = '<a rel="nofollow" class="comment-reply-login" href="' . esc_url( wp_login_url( get_permalink() ) ) . '">' . $login_text . '</a>';
999 else
1000 $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>";
1001 return apply_filters('comment_reply_link', $before . $link . $after, $args, $comment, $post);
1002}
1003
1004/**
1005 * Displays the HTML content for reply to comment link.
1006 *
1007 * @since 2.7.0
1008 * @see get_comment_reply_link() Echoes result
1009 *
1010 * @param array $args Optional. Override default options.
1011 * @param int $comment Optional. Comment being replied to.
1012 * @param int $post Optional. Post that the comment is going to be displayed on.
1013 * @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
1014 */
1015function comment_reply_link($args = array(), $comment = null, $post = null) {
1016 echo get_comment_reply_link($args, $comment, $post);
1017}
1018
1019/**
1020 * Retrieve HTML content for reply to post link.
1021 *
1022 * The default arguments that can be override are 'add_below', 'respond_id',
1023 * 'reply_text', 'login_text', and 'depth'. The 'login_text' argument will be
1024 * used, if the user must log in or register first before posting a comment. The
1025 * 'reply_text' will be used, if they can post a reply. The 'add_below' and
1026 * 'respond_id' arguments are for the JavaScript moveAddCommentForm() function
1027 * parameters.
1028 *
1029 * @since 2.7.0
1030 *
1031 * @param array $args Optional. Override default options.
1032 * @param int|object $post Optional. Post that the comment is going to be displayed on. Defaults to current post.
1033 * @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
1034 */
1035function get_post_reply_link($args = array(), $post = null) {
1036 global $user_ID;
1037
1038 $defaults = array('add_below' => 'post', 'respond_id' => 'respond', 'reply_text' => __('Leave a Comment'),
1039 'login_text' => __('Log in to leave a Comment'), 'before' => '', 'after' => '');
1040
1041 $args = wp_parse_args($args, $defaults);
1042 extract($args, EXTR_SKIP);
1043 $post = get_post($post);
1044
1045 if ( !comments_open($post->ID) )
1046 return false;
1047
1048 if ( get_option('comment_registration') && !$user_ID ) {
1049 $link = '<a rel="nofollow" href="' . wp_login_url( get_permalink() ) . '">' . $login_text . '</a>';
1050 } else {
1051 $link = "<a rel='nofollow' class='comment-reply-link' href='" . get_permalink($post->ID) . "#$respond_id' onclick='return addComment.moveForm(\"$add_below-$post->ID\", \"0\", \"$respond_id\", \"$post->ID\")'>$reply_text</a>";
1052 }
1053 return apply_filters('post_comments_link', $before . $link . $after, $post);
1054}
1055
1056/**
1057 * Displays the HTML content for reply to post link.
1058 * @since 2.7.0
1059 * @see get_post_reply_link()
1060 *
1061 * @param array $args Optional. Override default options.
1062 * @param int|object $post Optional. Post that the comment is going to be displayed on.
1063 * @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
1064 */
1065function post_reply_link($args = array(), $post = null) {
1066 echo get_post_reply_link($args, $post);
1067}
1068
1069/**
1070 * Retrieve HTML content for cancel comment reply link.
1071 *
1072 * @since 2.7.0
1073 *
1074 * @param string $text Optional. Text to display for cancel reply link.
1075 */
1076function get_cancel_comment_reply_link($text = '') {
1077 if ( empty($text) )
1078 $text = __('Click here to cancel reply.');
1079
1080 $style = isset($_GET['replytocom']) ? '' : ' style="display:none;"';
1081 $link = esc_html( remove_query_arg('replytocom') ) . '#respond';
1082 return apply_filters('cancel_comment_reply_link', '<a rel="nofollow" id="cancel-comment-reply-link" href="' . $link . '"' . $style . '>' . $text . '</a>', $link, $text);
1083}
1084
1085/**
1086 * Display HTML content for cancel comment reply link.
1087 *
1088 * @since 2.7.0
1089 *
1090 * @param string $text Optional. Text to display for cancel reply link.
1091 */
1092function cancel_comment_reply_link($text = '') {
1093 echo get_cancel_comment_reply_link($text);
1094}
1095
1096/**
1097 * Output hidden input HTML for replying to comments.
1098 *
1099 * @since 2.7.0
1100 */
1101function comment_id_fields() {
1102 global $id;
1103
1104 $replytoid = isset($_GET['replytocom']) ? (int) $_GET['replytocom'] : 0;
1105 echo "<input type='hidden' name='comment_post_ID' value='$id' id='comment_post_ID' />\n";
1106 echo "<input type='hidden' name='comment_parent' id='comment_parent' value='$replytoid' />\n";
1107}
1108
1109/**
1110 * Display text based on comment reply status. Only affects users with Javascript disabled.
1111 *
1112 * @since 2.7.0
1113 *
1114 * @param string $noreplytext Optional. Text to display when not replying to a comment.
1115 * @param string $replytext Optional. Text to display when replying to a comment. Accepts "%s" for the author of the comment being replied to.
1116 * @param string $linktoparent Optional. Boolean to control making the author's name a link to their comment.
1117 */
1118function comment_form_title( $noreplytext = false, $replytext = false, $linktoparent = TRUE ) {
1119 global $comment;
1120
1121 if ( false === $noreplytext ) $noreplytext = __( 'Leave a Reply' );
1122 if ( false === $replytext ) $replytext = __( 'Leave a Reply to %s' );
1123
1124 $replytoid = isset($_GET['replytocom']) ? (int) $_GET['replytocom'] : 0;
1125
1126 if ( 0 == $replytoid )
1127 echo $noreplytext;
1128 else {
1129 $comment = get_comment($replytoid);
1130 $author = ( $linktoparent ) ? '<a href="#comment-' . get_comment_ID() . '">' . get_comment_author() . '</a>' : get_comment_author();
1131 printf( $replytext, $author );
1132 }
1133}
1134
1135/**
1136 * HTML comment list class.
1137 *
1138 * @package WordPress
1139 * @uses Walker
1140 * @since unknown
1141 */
1142class Walker_Comment extends Walker {
1143 /**
1144 * @see Walker::$tree_type
1145 * @since unknown
1146 * @var string
1147 */
1148 var $tree_type = 'comment';
1149
1150 /**
1151 * @see Walker::$db_fields
1152 * @since unknown
1153 * @var array
1154 */
1155 var $db_fields = array ('parent' => 'comment_parent', 'id' => 'comment_ID');
1156
1157 /**
1158 * @see Walker::start_lvl()
1159 * @since unknown
1160 *
1161 * @param string $output Passed by reference. Used to append additional content.
1162 * @param int $depth Depth of comment.
1163 * @param array $args Uses 'style' argument for type of HTML list.
1164 */
1165 function start_lvl(&$output, $depth, $args) {
1166 $GLOBALS['comment_depth'] = $depth + 1;
1167
1168 switch ( $args['style'] ) {
1169 case 'div':
1170 break;
1171 case 'ol':
1172 echo "<ol class='children'>\n";
1173 break;
1174 default:
1175 case 'ul':
1176 echo "<ul class='children'>\n";
1177 break;
1178 }
1179 }
1180
1181 /**
1182 * @see Walker::end_lvl()
1183 * @since unknown
1184 *
1185 * @param string $output Passed by reference. Used to append additional content.
1186 * @param int $depth Depth of comment.
1187 * @param array $args Will only append content if style argument value is 'ol' or 'ul'.
1188 */
1189 function end_lvl(&$output, $depth, $args) {
1190 $GLOBALS['comment_depth'] = $depth + 1;
1191
1192 switch ( $args['style'] ) {
1193 case 'div':
1194 break;
1195 case 'ol':
1196 echo "</ol>\n";
1197 break;
1198 default:
1199 case 'ul':
1200 echo "</ul>\n";
1201 break;
1202 }
1203 }
1204
1205 /**
1206 * @see Walker::start_el()
1207 * @since unknown
1208 *
1209 * @param string $output Passed by reference. Used to append additional content.
1210 * @param object $comment Comment data object.
1211 * @param int $depth Depth of comment in reference to parents.
1212 * @param array $args
1213 */
1214 function start_el(&$output, $comment, $depth, $args) {
1215 $depth++;
1216 $GLOBALS['comment_depth'] = $depth;
1217
1218 if ( !empty($args['callback']) ) {
1219 call_user_func($args['callback'], $comment, $args, $depth);
1220 return;
1221 }
1222
1223 $GLOBALS['comment'] = $comment;
1224 extract($args, EXTR_SKIP);
1225
1226 if ( 'div' == $args['style'] ) {
1227 $tag = 'div';
1228 $add_below = 'comment';
1229 } else {
1230 $tag = 'li';
1231 $add_below = 'div-comment';
1232 }
1233?>
1234 <<?php echo $tag ?> <?php comment_class(empty( $args['has_children'] ) ? '' : 'parent') ?> id="comment-<?php comment_ID() ?>">
1235 <?php if ( 'ul' == $args['style'] ) : ?>
1236 <div id="div-comment-<?php comment_ID() ?>" class="comment-body">
1237 <?php endif; ?>
1238 <div class="comment-author vcard">
1239 <?php if ($args['avatar_size'] != 0) echo get_avatar( $comment, $args['avatar_size'] ); ?>
1240 <?php printf(__('<cite class="fn">%s</cite> <span class="says">says:</span>'), get_comment_author_link()) ?>
1241 </div>
1242<?php if ($comment->comment_approved == '0') : ?>
1243 <em><?php _e('Your comment is awaiting moderation.') ?></em>
1244 <br />
1245<?php endif; ?>
1246
1247 <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>
1248
1249 <?php comment_text() ?>
1250
1251 <div class="reply">
1252 <?php comment_reply_link(array_merge( $args, array('add_below' => $add_below, 'depth' => $depth, 'max_depth' => $args['max_depth']))) ?>
1253 </div>
1254 <?php if ( 'ul' == $args['style'] ) : ?>
1255 </div>
1256 <?php endif; ?>
1257<?php
1258 }
1259
1260 /**
1261 * @see Walker::end_el()
1262 * @since unknown
1263 *
1264 * @param string $output Passed by reference. Used to append additional content.
1265 * @param object $comment
1266 * @param int $depth Depth of comment.
1267 * @param array $args
1268 */
1269 function end_el(&$output, $comment, $depth, $args) {
1270 if ( !empty($args['end-callback']) ) {
1271 call_user_func($args['end-callback'], $comment, $args, $depth);
1272 return;
1273 }
1274 if ( 'div' == $args['style'] )
1275 echo "</div>\n";
1276 else
1277 echo "</li>\n";
1278 }
1279
1280}
1281
1282/**
1283 * List comments
1284 *
1285 * Used in the comments.php template to list comments for a particular post
1286 *
1287 * @since 2.7.0
1288 * @uses Walker_Comment
1289 *
1290 * @param string|array $args Formatting options
1291 * @param array $comments Optional array of comment objects. Defaults to $wp_query->comments
1292 */
1293function wp_list_comments($args = array(), $comments = null ) {
1294 global $wp_query, $comment_alt, $comment_depth, $comment_thread_alt, $overridden_cpage, $in_comment_loop;
1295
1296 $in_comment_loop = true;
1297
1298 $comment_alt = $comment_thread_alt = 0;
1299 $comment_depth = 1;
1300
1301 $defaults = array('walker' => null, 'max_depth' => '', 'style' => 'ul', 'callback' => null, 'end-callback' => null, 'type' => 'all',
1302 'page' => '', 'per_page' => '', 'avatar_size' => 32, 'reverse_top_level' => null, 'reverse_children' => '');
1303
1304 $r = wp_parse_args( $args, $defaults );
1305
1306 // Figure out what comments we'll be looping through ($_comments)
1307 if ( null !== $comments ) {
1308 $comments = (array) $comments;
1309 if ( empty($comments) )
1310 return;
1311 if ( 'all' != $r['type'] ) {
1312 $comments_by_type = &separate_comments($comments);
1313 if ( empty($comments_by_type[$r['type']]) )
1314 return;
1315 $_comments = $comments_by_type[$r['type']];
1316 } else {
1317 $_comments = $comments;
1318 }
1319 } else {
1320 if ( empty($wp_query->comments) )
1321 return;
1322 if ( 'all' != $r['type'] ) {
1323 if ( empty($wp_query->comments_by_type) )
1324 $wp_query->comments_by_type = &separate_comments($wp_query->comments);
1325 if ( empty($wp_query->comments_by_type[$r['type']]) )
1326 return;
1327 $_comments = $wp_query->comments_by_type[$r['type']];
1328 } else {
1329 $_comments = $wp_query->comments;
1330 }
1331 }
1332
1333 if ( '' === $r['per_page'] && get_option('page_comments') )
1334 $r['per_page'] = get_query_var('comments_per_page');
1335
1336 if ( empty($r['per_page']) ) {
1337 $r['per_page'] = 0;
1338 $r['page'] = 0;
1339 }
1340
1341 if ( '' === $r['max_depth'] ) {
1342 if ( get_option('thread_comments') )
1343 $r['max_depth'] = get_option('thread_comments_depth');
1344 else
1345 $r['max_depth'] = -1;
1346 }
1347
1348 if ( '' === $r['page'] ) {
1349 if ( empty($overridden_cpage) ) {
1350 $r['page'] = get_query_var('cpage');
1351 } else {
1352 $threaded = ( -1 == $r['max_depth'] ) ? false : true;
1353 $r['page'] = ( 'newest' == get_option('default_comments_page') ) ? get_comment_pages_count($_comments, $r['per_page'], $threaded) : 1;
1354 set_query_var( 'cpage', $r['page'] );
1355 }
1356 }
1357 // Validation check
1358 $r['page'] = intval($r['page']);
1359 if ( 0 == $r['page'] && 0 != $r['per_page'] )
1360 $r['page'] = 1;
1361
1362 if ( null === $r['reverse_top_level'] )
1363 $r['reverse_top_level'] = ( 'desc' == get_option('comment_order') ) ? TRUE : FALSE;
1364
1365 extract( $r, EXTR_SKIP );
1366
1367 if ( empty($walker) )
1368 $walker = new Walker_Comment;
1369
1370 $walker->paged_walk($_comments, $max_depth, $page, $per_page, $r);
1371 $wp_query->max_num_comment_pages = $walker->max_pages;
1372
1373 $in_comment_loop = false;
1374}
1375
1376?>
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