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Ticket #7086: comment-template.diff.php

File comment-template.diff.php, 24.3 KB (added by ThemeShaper, 6 years ago)
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 * get_comment_author() - Retrieve the author of the current comment
13 *
14 * If the comment has an empty comment_author field, then 'Anonymous' person
15 * is assumed.
16 *
17 * @since 1.5
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                $author = __('Anonymous');
26        else
27                $author = $comment->comment_author;
28        return apply_filters('get_comment_author', $author);
29}
30
31/**
32 * comment_author() - Displays the author of the current comment
33 *
34 * @since 0.71
35 * @uses apply_filters() Calls 'comment_author' on comment author before displaying
36 */
37function comment_author() {
38        $author = apply_filters('comment_author', get_comment_author() );
39        echo $author;
40}
41
42/**
43 * get_comment_author_email() - Retrieve the email of the author of the current comment
44 *
45 * @since 1.5
46 * @uses apply_filters() Calls the 'get_comment_author_email' hook on the comment author email
47 * @uses $comment
48 *
49 * @return string The current comment author's email
50 */
51function get_comment_author_email() {
52        global $comment;
53        return apply_filters('get_comment_author_email', $comment->comment_author_email);
54}
55
56/**
57 * comment_author_email() - Display the email of the author of the current global $comment
58 *
59 * Care should be taken to protect the email address and assure that email harvesters
60 * do not capture your commentors' email address. Most assume that their email address will
61 * not appear in raw form on the blog. Doing so will enable anyone, including those that
62 * people don't want to get the email address and use it for their own means good and bad.
63 *
64 * @since 0.71
65 * @uses apply_filters() Calls 'author_email' hook on the author email
66 */
67function comment_author_email() {
68        echo apply_filters('author_email', get_comment_author_email() );
69}
70
71/**
72 * comment_author_email_link() - Display the html email link to the author of the current comment
73 *
74 * Care should be taken to protect the email address and assure that email harvesters
75 * do not capture your commentors' email address. Most assume that their email address will
76 * not appear in raw form on the blog. Doing so will enable anyone, including those that
77 * people don't want to get the email address and use it for their own means good and bad.
78 *
79 * @since 0.71
80 * @uses apply_filters() Calls 'comment_email' hook for the display of the comment author's email
81 * @global object $comment The current Comment row object
82 *
83 * @param string $linktext The text to display instead of the comment author's email address
84 * @param string $before The text or HTML to display before the email link.
85 * @param string $after The text or HTML to display after the email link.
86 */
87function comment_author_email_link($linktext='', $before='', $after='') {
88        global $comment;
89        $email = apply_filters('comment_email', $comment->comment_author_email);
90        if ((!empty($email)) && ($email != '@')) {
91        $display = ($linktext != '') ? $linktext : $email;
92                echo $before;
93                echo "<a href='mailto:$email'>$display</a>";
94                echo $after;
95        }
96}
97
98/**
99 * get_comment_author_link() - Retrieve the html link to the url of the author of the current comment
100 *
101 * @since 1.5
102 * @uses apply_filters() Calls 'get_comment_author_link' hook on the complete link HTML or author
103 *
104 * @return string Comment Author name or HTML link for author's URL
105 */
106function get_comment_author_link() {
107        /** @todo Only call these functions when they are needed. Include in if... else blocks */
108        $url    = get_comment_author_url();
109        $author = get_comment_author();
110
111        if ( empty( $url ) || 'http://' == $url )
112                $return = $author;
113        else
114                $return = "<a href='$url' rel='external nofollow'>$author</a>";
115        return apply_filters('get_comment_author_link', $return);
116}
117
118/**
119 * comment_author_link() - Display the html link to the url of the author of the current comment
120 *
121 * @since 0.71
122 * @see get_comment_author_link() Echos result
123 */
124function comment_author_link() {
125        echo get_comment_author_link();
126}
127
128/**
129 * get_comment_author_IP() - Retrieve the IP address of the author of the current comment
130 *
131 * @since 1.5
132 * @uses $comment
133 * @uses apply_filters()
134 *
135 * @return unknown
136 */
137function get_comment_author_IP() {
138        global $comment;
139        return apply_filters('get_comment_author_IP', $comment->comment_author_IP);
140}
141
142/**
143 * comment_author_IP() - Displays the IP address of the author of the current comment
144 *
145 * @since 0.71
146 * @see get_comment_author_IP() Echos Result
147 */
148function comment_author_IP() {
149        echo get_comment_author_IP();
150}
151
152/**
153 * get_comment_author_url() - Returns the url of the author of the current comment
154 *
155 * @since 1.5
156 * @uses apply_filters() Calls 'get_comment_author_url' hook on the comment author's URL
157 *
158 * @return string
159 */
160function get_comment_author_url() {
161        global $comment;
162        return apply_filters('get_comment_author_url', $comment->comment_author_url);
163}
164
165/**
166 * comment_author_url() - Display the url of the author of the current comment
167 *
168 * @since 0.71
169 * @uses apply_filters()
170 * @uses get_comment_author_url() Retrieves the comment author's URL
171 */
172function comment_author_url() {
173        echo apply_filters('comment_url', get_comment_author_url());
174}
175
176/**
177 * get_comment_author_url_link() - Retrieves the HTML link of the url of the author of the current comment
178 *
179 * $linktext parameter is only used if the URL does not exist for the comment author. If the URL does
180 * exist then the URL will be used and the $linktext will be ignored.
181 *
182 * Encapsulate the HTML link between the $before and $after. So it will appear in the order of $before,
183 * link, and finally $after.
184 *
185 * @since 1.5
186 * @uses apply_filters() Calls the 'get_comment_author_url_link' on the complete HTML before returning.
187 *
188 * @param string $linktext The text to display instead of the comment author's email address
189 * @param string $before The text or HTML to display before the email link.
190 * @param string $after The text or HTML to display after the email link.
191 * @return string The HTML link between the $before and $after parameters
192 */
193function get_comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
194        $url = get_comment_author_url();
195        $display = ($linktext != '') ? $linktext : $url;
196        $display = str_replace( 'http://www.', '', $display );
197        $display = str_replace( 'http://', '', $display );
198        if ( '/' == substr($display, -1) )
199                $display = substr($display, 0, -1);
200        $return = "$before<a href='$url' rel='external'>$display</a>$after";
201        return apply_filters('get_comment_author_url_link', $return);
202}
203
204/**
205 * comment_author_url_link() - Displays the HTML link of the url of the author of the current comment
206 *
207 * @since 0.71
208 * @see get_comment_author_url_link() Echos result
209 *
210 * @param string $linktext The text to display instead of the comment author's email address
211 * @param string $before The text or HTML to display before the email link.
212 * @param string $after The text or HTML to display after the email link.
213 */
214function comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
215        echo get_comment_author_url_link( $linktext, $before, $after );
216}
217
218/**
219 * get_comment_date() - Retrieve the comment date of the current comment
220 *
221 * @since 1.5
222 * @uses apply_filters() Calls 'get_comment_date' hook with the formated date and the $d parameter respectively
223 * @uses $comment
224 *
225 * @param string $d The format of the date (defaults to user's config)
226 * @return string The comment's date
227 */
228function get_comment_date( $d = '' ) {
229        global $comment;
230        if ( '' == $d )
231                $date = mysql2date( get_option('date_format'), $comment->comment_date);
232        else
233                $date = mysql2date($d, $comment->comment_date);
234        return apply_filters('get_comment_date', $date, $d);
235}
236
237/**
238 * comment_date() - Display the comment date of the current comment
239 *
240 * @since 0.71
241 *
242 * @param string $d The format of the date (defaults to user's config)
243 */
244function comment_date( $d = '' ) {
245        echo get_comment_date( $d );
246}
247
248/**
249 * get_comment_excerpt() - Retrieve the excerpt of the current comment
250 *
251 * Will cut each word and only output the first 20 words with '...' at the end.
252 * If the word count is less than 20, then no truncating is done and no '...'
253 * will appear.
254 *
255 * @since 1.5
256 * @uses $comment
257 * @uses apply_filters() Calls 'get_comment_excerpt' on truncated comment
258 *
259 * @return string The maybe truncated comment with 20 words or less
260 */
261function get_comment_excerpt() {
262        global $comment;
263        $comment_text = strip_tags($comment->comment_content);
264        $blah = explode(' ', $comment_text);
265        if (count($blah) > 20) {
266                $k = 20;
267                $use_dotdotdot = 1;
268        } else {
269                $k = count($blah);
270                $use_dotdotdot = 0;
271        }
272        $excerpt = '';
273        for ($i=0; $i<$k; $i++) {
274                $excerpt .= $blah[$i] . ' ';
275        }
276        $excerpt .= ($use_dotdotdot) ? '...' : '';
277        return apply_filters('get_comment_excerpt', $excerpt);
278}
279
280/**
281 * comment_excerpt() - Returns the excerpt of the current comment
282 *
283 * @since 1.2
284 * @uses apply_filters() Calls 'comment_excerpt' hook before displaying excerpt
285 */
286function comment_excerpt() {
287        echo apply_filters('comment_excerpt', get_comment_excerpt() );
288}
289
290/**
291 * get_comment_ID() - Retrieve the comment id of the current comment
292 *
293 * @since 1.5
294 * @uses $comment
295 * @uses apply_filters() Calls the 'get_comment_ID' hook for the comment ID
296 *
297 * @return int The comment ID
298 */
299function get_comment_ID() {
300        global $comment;
301        return apply_filters('get_comment_ID', $comment->comment_ID);
302}
303
304/**
305 * comment_ID() - Displays the comment id of the current comment
306 *
307 * @since 0.71
308 * @see get_comment_ID() Echos Result
309 */
310function comment_ID() {
311        echo get_comment_ID();
312}
313
314/**
315 * get_comment_link() - Retrieve the link to the current comment
316 *
317 * @since 1.5
318 * @uses $comment
319 *
320 * @return string The permalink to the current comment
321 */
322function get_comment_link() {
323        global $comment;
324        return get_permalink( $comment->comment_post_ID ) . '#comment-' . $comment->comment_ID;
325}
326
327/**
328 * get_comments_link() - Retrieves the link to the current post comments
329 *
330 * @since 1.5
331 *
332 * @return string The link to the comments
333 */
334function get_comments_link() {
335        return get_permalink() . '#comments';
336}
337
338/**
339 * comments_link() - Displays the link to the current post comments
340 *
341 * @since 0.71
342 *
343 * @param string $deprecated Not Used
344 * @param bool $deprecated Not Used
345 */
346function comments_link( $deprecated = '', $deprecated = '' ) {
347        echo get_comments_link();
348}
349
350/**
351 * get_comments_number() - Retrieve the amount of comments a post has
352 *
353 * @since 1.5
354 * @uses apply_filters() Calls the 'get_comments_number' hook on the number of comments
355 *
356 * @param int $post_id The Post ID
357 * @return int The number of comments a post has
358 */
359function get_comments_number( $post_id = 0 ) {
360        global $id;
361        $post_id = (int) $post_id;
362
363        if ( !$post_id )
364                $post_id = (int) $id;
365
366        $post = get_post($post_id);
367        if ( ! isset($post->comment_count) )
368                $count = 0;
369        else
370                $count = $post->comment_count;
371
372        return apply_filters('get_comments_number', $count);
373}
374
375/**
376 * comments_number() - Display the language string for the number of comments the current post has
377 *
378 * @since 0.71
379 * @uses $id
380 * @uses apply_filters() Calls the 'comments_number' hook on the output and number of comments respectively.
381 *
382 * @param string $zero Text for no comments
383 * @param string $one Text for one comment
384 * @param string $more Text for more than one comment
385 * @param string $deprecated Not used.
386 */
387function comments_number( $zero = false, $one = false, $more = false, $deprecated = '' ) {
388        global $id;
389        $number = get_comments_number($id);
390
391        if ( $number > 1 )
392                $output = str_replace('%', number_format_i18n($number), ( false === $more ) ? __('% Comments') : $more);
393        elseif ( $number == 0 )
394                $output = ( false === $zero ) ? __('No Comments') : $zero;
395        else // must be one
396                $output = ( false === $one ) ? __('1 Comment') : $one;
397
398        echo apply_filters('comments_number', $output, $number);
399}
400
401/**
402 * get_comment_text() - Retrieve the text of the current comment
403 *
404 * @since 1.5
405 * @uses $comment
406 *
407 * @return string The comment content
408 */
409function get_comment_text() {
410        global $comment;
411        return apply_filters('get_comment_text', $comment->comment_content);
412}
413
414/**
415 * comment_text() - Displays the text of the current comment
416 *
417 * @since 0.71
418 * @uses apply_filters() Passes the comment content through the 'comment_text' hook before display
419 * @uses get_comment_text() Gets the comment content
420 */
421function comment_text() {
422        echo apply_filters('comment_text', get_comment_text() );
423}
424
425/**
426 * get_comment_time() - Retrieve the comment time of the current comment
427 *
428 * @since 1.5
429 * @uses $comment
430 * @uses apply_filter() Calls 'get_comment_time' hook with the formatted time, the $d parameter, and $gmt parameter passed.
431 *
432 * @param string $d Optional. The format of the time (defaults to user's config)
433 * @param bool $gmt Whether to use the GMT date
434 * @return string The formatted time
435 */
436function get_comment_time( $d = '', $gmt = false ) {
437        global $comment;
438        $comment_date = $gmt? $comment->comment_date_gmt : $comment->comment_date;
439        if ( '' == $d )
440                $date = mysql2date(get_option('time_format'), $comment_date);
441        else
442                $date = mysql2date($d, $comment_date);
443        return apply_filters('get_comment_time', $date, $d, $gmt);
444}
445
446/**
447 * comment_time() - Display the comment time of the current comment
448 *
449 * @since 0.71
450 *
451 * @param string $d Optional. The format of the time (defaults to user's config)
452 */
453function comment_time( $d = '' ) {
454        echo get_comment_time($d);
455}
456
457/**
458 * get_comment_type() - Retrieve the comment type of the current comment
459 *
460 * @since 1.5
461 * @uses $comment
462 * @uses apply_filters() Calls the 'get_comment_type' hook on the comment type
463 *
464 * @return string The comment type
465 */
466function get_comment_type() {
467        global $comment;
468
469        if ( '' == $comment->comment_type )
470                $comment->comment_type = 'comment';
471
472        return apply_filters('get_comment_type', $comment->comment_type);
473}
474
475/**
476 * comment_type() - Display the comment type of the current comment
477 *
478 * @since 0.71
479 *
480 * @param string $commenttxt The string to display for comment type
481 * @param string $trackbacktxt The string to display for trackback type
482 * @param string $pingbacktxt The string to display for pingback type
483 */
484function comment_type($commenttxt = 'Comment', $trackbacktxt = 'Trackback', $pingbacktxt = 'Pingback') {
485        $type = get_comment_type();
486        switch( $type ) {
487                case 'trackback' :
488                        echo $trackbacktxt;
489                        break;
490                case 'pingback' :
491                        echo $pingbacktxt;
492                        break;
493                default :
494                        echo $commenttxt;
495        }
496}
497
498/**
499 * get_trackback_url() - Retrieve The current post's trackback URL
500 *
501 * There is a check to see if permalink's have been enabled and if so, will retrieve
502 * the pretty path. If permalinks weren't enabled, the ID of the current post is used
503 * and appended to the correct page to go to.
504 *
505 * @since 1.5
506 * @uses apply_filters() Calls 'trackback_url' on the resulting trackback URL
507 * @uses $id
508 *
509 * @return string The trackback URL after being filtered
510 */
511function get_trackback_url() {
512        global $id;
513        if ( '' != get_option('permalink_structure') ) {
514                $tb_url = trailingslashit(get_permalink()) . user_trailingslashit('trackback', 'single_trackback');
515        } else {
516                $tb_url = get_option('siteurl') . '/wp-trackback.php?p=' . $id;
517        }
518        return apply_filters('trackback_url', $tb_url);
519}
520
521/**
522 * trackback_url() - Displays the current post's trackback URL
523 *
524 * @since 0.71
525 * @uses get_trackback_url() Gets the trackback url for the current post
526 *
527 * @param bool $deprecated Remove backwards compat in 2.5
528 * @return void|string Should only be used to echo the trackback URL, use get_trackback_url() for the result instead.
529 */
530function trackback_url($deprecated = true) {
531        if ($deprecated) echo get_trackback_url();
532        else return get_trackback_url();
533}
534
535/**
536 * trackback_rdf() - Generates and displays the RDF for the trackback information of current post
537 *
538 * @since 0.71
539 *
540 * @param int $deprecated Not used (Was $timezone = 0)
541 */
542function trackback_rdf($deprecated = '') {
543        if (stripos($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator') === false) {
544                echo '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
545                                xmlns:dc="http://purl.org/dc/elements/1.1/"
546                                xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/">
547                        <rdf:Description rdf:about="';
548                the_permalink();
549                echo '"'."\n";
550                echo '    dc:identifier="';
551                the_permalink();
552                echo '"'."\n";
553                echo '    dc:title="'.str_replace('--', '&#x2d;&#x2d;', wptexturize(strip_tags(get_the_title()))).'"'."\n";
554                echo '    trackback:ping="'.get_trackback_url().'"'." />\n";
555                echo '</rdf:RDF>';
556        }
557}
558
559/**
560 * comments_open() - Whether the current post is open for comments
561 *
562 * @since 1.5
563 * @uses $post
564 *
565 * @param int $post_id An optional post ID to check instead of the current post.
566 * @return bool True if the comments are open
567 */
568function comments_open( $post_id=NULL ) {
569
570        $_post = get_post($post_id);
571
572        $open = ( 'open' == $_post->comment_status );
573        return apply_filters( 'comments_open', $open, $post_id );
574}
575
576/**
577 * pings_open() - Whether the current post is open for pings
578 *
579 * @since 1.5
580 * @uses $post
581 *
582 * @param int $post_id An optional post ID to check instead of the current post.
583 * @return bool True if pings are accepted
584 */
585function pings_open( $post_id = NULL ) {
586
587        $_post = get_post($post_id);
588
589        $open = ( 'open' == $_post->ping_status );
590        return apply_filters( 'pings_open', $open, $post_id );
591}
592
593/**
594 * wp_comment_form_unfiltered_html_nonce() - Displays form token for unfiltered comments
595 *
596 * Will only display nonce token if the current user has permissions for unfiltered html.
597 * Won't display the token for other users.
598 *
599 * The function was backported to 2.0.10 and was added to versions 2.1.3 and above. Does not
600 * exist in versions prior to 2.0.10 in the 2.0 branch and in the 2.1 branch, prior to 2.1.3.
601 * Technically added in 2.2.0.
602 *
603 * @since 2.0.10 Backported to 2.0 branch
604 * @since 2.1.3
605 * @uses $post Gets the ID of the current post for the token
606 */
607function wp_comment_form_unfiltered_html_nonce() {
608        global $post;
609        if ( current_user_can('unfiltered_html') )
610                wp_nonce_field('unfiltered-html-comment_' . $post->ID, '_wp_unfiltered_html_comment', false);
611}
612
613/**
614 * comments_template() - Loads the comment template specified in $file
615 *
616 * Will not display the comments template if not on single post or page, or
617 * if the post does not have comments.
618 *
619 * Uses the WordPress database object to query for the comments. The comments
620 * are passed through the 'comments_array' filter hook with the list of comments
621 * and the post ID respectively.
622 *
623 * The $file path is passed through a filter hook called, 'comments_template'
624 * which includes the TEMPLATEPATH and $file combined. Tries the $filtered path
625 * first and if it fails it will require the default comment themplate from the
626 * default theme. If either does not exist, then the WordPress process will be
627 * halted. It is advised for that reason, that the default theme is not deleted.
628 *
629 * @since 1.5
630 * @global array $comment List of comment objects for the current post
631 * @uses $wpdb
632 * @uses $id
633 * @uses $post
634 * @uses $withcomments Will not try to get the comments if the post has none.
635 *
636 * @param string $file Optional, default '/comments.php'. The file to load
637 * @return null Returns null if no comments appear
638 */
639function comments_template( $file = '/comments.php' ) {
640        global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_ID, $user_identity;
641
642        if ( ! (is_single() || is_page() || $withcomments) )
643                return;
644
645        $req = get_option('require_name_email');
646        $commenter = wp_get_current_commenter();
647        extract($commenter, EXTR_SKIP);
648
649        /** @todo Use API instead of SELECTs. */
650        if ( $user_ID) {
651                $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", $post->ID, $user_ID));
652        } else if ( empty($comment_author) ) {
653                $comments = $wpdb->get_results($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1' ORDER BY comment_date", $post->ID));
654        } else {
655                $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", $post->ID, $comment_author, $comment_author_email));
656        }
657
658        // keep $comments for legacy's sake (remember $table*? ;) )
659        $comments = $wp_query->comments = apply_filters( 'comments_array', $comments, $post->ID );
660        $wp_query->comment_count = count($wp_query->comments);
661        update_comment_cache($comments);
662
663        define('COMMENTS_TEMPLATE', true);
664        $include = apply_filters('comments_template', STYLESHEETPATH . $file );
665        if (file_exists( $include ) )
666                require( $include );
667
668        //not sure if this is needed - KKWangen
669        elseif( TEMPLATEPATH == STYLESHEETPATH && file_exists(TEMPLATEPATH . $file) )
670                require( TEMPLATEPATH . $file );
671
672        else
673                require( WP_CONTENT_DIR . '/themes/default/comments.php');
674}
675
676/**
677 * comments_popup_script() - Displays the JS popup script to show a comment
678 *
679 * If the $file parameter is empty, then the home page is assumed. The defaults
680 * for the window are 400px by 400px.
681 *
682 * For the comment link popup to work, this function has to be called or the
683 * normal comment link will be assumed.
684 *
685 * @since 0.71
686 * @global string $wpcommentspopupfile The URL to use for the popup window
687 * @global int $wpcommentsjavascript Whether to use JavaScript or not. Set when function is called
688 *
689 * @param int $width Optional. The width of the popup window
690 * @param int $height Optional. The height of the popup window
691 * @param string $file Optional. Sets the location of the popup window
692 */
693function comments_popup_script($width=400, $height=400, $file='') {
694        global $wpcommentspopupfile, $wpcommentsjavascript;
695
696        if (empty ($file)) {
697                $wpcommentspopupfile = '';  // Use the index.
698        } else {
699                $wpcommentspopupfile = $file;
700        }
701
702        $wpcommentsjavascript = 1;
703        $javascript = "<script type='text/javascript'>\nfunction wpopen (macagna) {\n    window.open(macagna, '_blank', 'width=$width,height=$height,scrollbars=yes,status=yes');\n}\n</script>\n";
704        echo $javascript;
705}
706
707/**
708 * comments_popup_link() - Displays the link to the comments popup window for the current post ID.
709 *
710 * Is not meant to be displayed on single posts and pages. Should be used on the lists of posts
711 *
712 * @since 0.71
713 * @uses $id
714 * @uses $wpcommentspopupfile
715 * @uses $wpcommentsjavascript
716 * @uses $post
717 *
718 * @param string $zero The string to display when no comments
719 * @param string $one The string to display when only one comment is available
720 * @param string $more The string to display when there are more than one comment
721 * @param string $css_class The CSS class to use for comments
722 * @param string $none The string to display when comments have been turned off
723 * @return null Returns null on single posts and pages.
724 */
725function comments_popup_link( $zero = 'No Comments', $one = '1 Comment', $more = '% Comments', $css_class = '', $none = 'Comments Off' ) {
726        global $id, $wpcommentspopupfile, $wpcommentsjavascript, $post;
727
728        if ( is_single() || is_page() )
729                return;
730
731        $number = get_comments_number( $id );
732
733        if ( 0 == $number && 'closed' == $post->comment_status && 'closed' == $post->ping_status ) {
734                echo '<span' . ((!empty($css_class)) ? ' class="' . $css_class . '"' : '') . '>' . $none . '</span>';
735                return;
736        }
737
738        if ( !empty($post->post_password) ) { // if there's a password
739                if ( !isset($_COOKIE['wp-postpass_' . COOKIEHASH]) || $_COOKIE['wp-postpass_' . COOKIEHASH] != $post->post_password ) {  // and it doesn't match the cookie
740                        echo __('Enter your password to view comments');
741                        return;
742                }
743        }
744
745        echo '<a href="';
746        if ( $wpcommentsjavascript ) {
747                if ( empty( $wpcommentspopupfile ) )
748                        $home = get_option('home');
749                else
750                        $home = get_option('siteurl');
751                echo $home . '/' . $wpcommentspopupfile . '?comments_popup=' . $id;
752                echo '" onclick="wpopen(this.href); return false"';
753        } else { // if comments_popup_script() is not in the template, display simple comment link
754                if ( 0 == $number )
755                        echo get_permalink() . '#respond';
756                else
757                        comments_link();
758                echo '"';
759        }
760
761        if ( !empty( $css_class ) ) {
762                echo ' class="'.$css_class.'" ';
763        }
764        $title = attribute_escape( get_the_title() );
765
766        echo apply_filters( 'comments_popup_link_attributes', '' );
767
768        echo ' title="' . sprintf( __('Comment on %s'), $title ) . '">';
769        comments_number( $zero, $one, $more, $number );
770        echo '</a>';
771}
772
773?>