3
* Manages WordPress comments
10
* Checks whether a comment passes internal checks to be allowed to add.
12
* If comment moderation is set in the administration, then all comments,
13
* regardless of their type and whitelist will be set to false. If the number of
14
* links exceeds the amount in the administration, then the check fails. If any
15
* of the parameter contents match the blacklist of words, then the check fails.
17
* If the number of links exceeds the amount in the administration, then the
18
* check fails. If any of the parameter contents match the blacklist of words,
19
* then the check fails.
21
* If the comment author was approved before, then the comment is
22
* automatically whitelisted.
24
* If none of the checks fail, then the failback is to set the check to pass
30
* @param string $author Comment Author's name
31
* @param string $email Comment Author's email
32
* @param string $url Comment Author's URL
33
* @param string $comment Comment contents
34
* @param string $user_ip Comment Author's IP address
35
* @param string $user_agent Comment Author's User Agent
36
* @param string $comment_type Comment type, either user submitted comment,
37
* trackback, or pingback
38
* @return bool Whether the checks passed (true) and the comments should be
39
* displayed or set to moderated
41
function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $comment_type) {
44
if ( 1 == get_option('comment_moderation') )
45
return false; // If moderation is set to manual
47
/** This filter is documented in wp-includes/comment-template.php */
48
$comment = apply_filters( 'comment_text', $comment );
50
// Check # of external links
51
if ( $max_links = get_option( 'comment_max_links' ) ) {
52
$num_links = preg_match_all( '/<a [^>]*href/i', $comment, $out );
54
* Filter the maximum number of links allowed in a comment.
58
* @param int $num_links The number of links allowed.
59
* @param string $url Comment author's URL. Included in allowed links total.
61
$num_links = apply_filters( 'comment_max_links_url', $num_links, $url );
62
if ( $num_links >= $max_links )
66
$mod_keys = trim(get_option('moderation_keys'));
67
if ( !empty($mod_keys) ) {
68
$words = explode("\n", $mod_keys );
70
foreach ( (array) $words as $word) {
77
// Do some escaping magic so that '#' chars in the
78
// spam words don't break things:
79
$word = preg_quote($word, '#');
81
$pattern = "#$word#i";
82
if ( preg_match($pattern, $author) ) return false;
83
if ( preg_match($pattern, $email) ) return false;
84
if ( preg_match($pattern, $url) ) return false;
85
if ( preg_match($pattern, $comment) ) return false;
86
if ( preg_match($pattern, $user_ip) ) return false;
87
if ( preg_match($pattern, $user_agent) ) return false;
91
// Comment whitelisting:
92
if ( 1 == get_option('comment_whitelist')) {
93
if ( 'trackback' != $comment_type && 'pingback' != $comment_type && $author != '' && $email != '' ) {
94
// expected_slashed ($author, $email)
95
$ok_to_comment = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_author = '$author' AND comment_author_email = '$email' and comment_approved = '1' LIMIT 1");
96
if ( ( 1 == $ok_to_comment ) &&
97
( empty($mod_keys) || false === strpos( $email, $mod_keys) ) )
109
* Retrieve the approved comments for post $post_id.
114
* @param int $post_id The ID of the post
115
* @return array $comments The approved comments
117
function get_approved_comments($post_id) {
119
return $wpdb->get_results($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1' ORDER BY comment_date", $post_id));
123
* Retrieves comment data given a comment ID or comment object.
125
* If an object is passed then the comment data will be cached and then returned
126
* after being passed through a filter. If the comment is empty, then the global
127
* comment variable will be used, if it is set.
132
* @param object|string|int $comment Comment to retrieve.
133
* @param string $output Optional. OBJECT or ARRAY_A or ARRAY_N constants.
134
* @return object|array|null Depends on $output value.
136
function get_comment(&$comment, $output = OBJECT) {
139
if ( empty($comment) ) {
140
if ( isset($GLOBALS['comment']) )
141
$_comment = & $GLOBALS['comment'];
144
} elseif ( is_object($comment) ) {
145
wp_cache_add($comment->comment_ID, $comment, 'comment');
146
$_comment = $comment;
148
if ( isset($GLOBALS['comment']) && ($GLOBALS['comment']->comment_ID == $comment) ) {
149
$_comment = & $GLOBALS['comment'];
150
} elseif ( ! $_comment = wp_cache_get($comment, 'comment') ) {
151
$_comment = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment));
154
wp_cache_add($_comment->comment_ID, $_comment, 'comment');
159
* Fires after a comment is retrieved.
163
* @param mixed $_comment Comment data.
165
$_comment = apply_filters( 'get_comment', $_comment );
167
if ( $output == OBJECT ) {
169
} elseif ( $output == ARRAY_A ) {
170
$__comment = get_object_vars($_comment);
172
} elseif ( $output == ARRAY_N ) {
173
$__comment = array_values(get_object_vars($_comment));
181
* Retrieve a list of comments.
183
* The comment list can be for the blog as a whole or for an individual post.
185
* The list of comment arguments are 'status', 'orderby', 'comment_date_gmt',
186
* 'order', 'number', 'offset', and 'post_id'.
191
* @param mixed $args Optional. Array or string of options to override defaults.
192
* @return array List of comments.
194
function get_comments( $args = '' ) {
195
$query = new WP_Comment_Query;
196
return $query->query( $args );
200
* WordPress Comment Query class.
204
class WP_Comment_Query {
206
* Metadata query container
210
* @var object WP_Meta_Query
212
public $meta_query = false;
215
* Date query container
219
* @var object WP_Date_Query
221
public $date_query = false;
224
* Make private/protected methods readable for backwards compatibility.
229
* @param callable $name Method to call.
230
* @param array $arguments Arguments to pass when calling.
231
* @return mixed|bool Return value of the callback, false otherwise.
233
public function __call( $name, $arguments ) {
234
return call_user_func_array( array( $this, $name ), $arguments );
242
* @param string|array $query_vars
245
public function query( $query_vars ) {
249
'author_email' => '',
273
'date_query' => null, // See WP_Date_Query
278
$this->query_vars = wp_parse_args( $query_vars, $defaults );
281
$this->meta_query = new WP_Meta_Query();
282
$this->meta_query->parse_query_vars( $this->query_vars );
285
* Fires before comments are retrieved.
289
* @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
291
do_action_ref_array( 'pre_get_comments', array( &$this ) );
293
// $args can be whatever, only use the args defined in defaults to compute the key
294
$key = md5( serialize( wp_array_slice_assoc( $this->query_vars, array_keys( $defaults ) ) ) );
295
$last_changed = wp_cache_get( 'last_changed', 'comment' );
296
if ( ! $last_changed ) {
297
$last_changed = microtime();
298
wp_cache_set( 'last_changed', $last_changed, 'comment' );
300
$cache_key = "get_comments:$key:$last_changed";
302
if ( $cache = wp_cache_get( $cache_key, 'comment' ) ) {
306
$status = $this->query_vars['status'];
307
if ( 'hold' == $status ) {
308
$approved = "comment_approved = '0'";
309
} elseif ( 'approve' == $status ) {
310
$approved = "comment_approved = '1'";
311
} elseif ( ! empty( $status ) && 'all' != $status ) {
312
$approved = $wpdb->prepare( "comment_approved = %s", $status );
314
$approved = "( comment_approved = '0' OR comment_approved = '1' )";
316
$order = ( 'ASC' == strtoupper( $this->query_vars['order'] ) ) ? 'ASC' : 'DESC';
318
if ( ! empty( $this->query_vars['orderby'] ) ) {
319
$ordersby = is_array( $this->query_vars['orderby'] ) ?
320
$this->query_vars['orderby'] :
321
preg_split( '/[,\s]/', $this->query_vars['orderby'] );
323
$allowed_keys = array(
327
'comment_author_email',
329
'comment_author_url',
340
if ( ! empty( $this->query_vars['meta_key'] ) ) {
341
$allowed_keys[] = $this->query_vars['meta_key'];
342
$allowed_keys[] = 'meta_value';
343
$allowed_keys[] = 'meta_value_num';
345
$ordersby = array_intersect( $ordersby, $allowed_keys );
346
foreach ( $ordersby as $key => $value ) {
347
if ( $value == $this->query_vars['meta_key'] || $value == 'meta_value' ) {
348
$ordersby[ $key ] = "$wpdb->commentmeta.meta_value";
349
} elseif ( $value == 'meta_value_num' ) {
350
$ordersby[ $key ] = "$wpdb->commentmeta.meta_value+0";
353
$orderby = empty( $ordersby ) ? 'comment_date_gmt' : implode(', ', $ordersby);
355
$orderby = 'comment_date_gmt';
358
$number = absint( $this->query_vars['number'] );
359
$offset = absint( $this->query_vars['offset'] );
361
if ( ! empty( $number ) ) {
363
$limits = 'LIMIT ' . $offset . ',' . $number;
365
$limits = 'LIMIT ' . $number;
371
if ( $this->query_vars['count'] ) {
372
$fields = 'COUNT(*)';
374
switch ( strtolower( $this->query_vars['fields'] ) ) {
376
$fields = "$wpdb->comments.comment_ID";
387
$post_id = absint( $this->query_vars['post_id'] );
388
if ( ! empty( $post_id ) ) {
389
$where .= $wpdb->prepare( ' AND comment_post_ID = %d', $post_id );
392
if ( '' !== $this->query_vars['author_email'] ) {
393
$where .= $wpdb->prepare( ' AND comment_author_email = %s', $this->query_vars['author_email'] );
396
if ( '' !== $this->query_vars['karma'] ) {
397
$where .= $wpdb->prepare( ' AND comment_karma = %d', $this->query_vars['karma'] );
400
if ( 'comment' == $this->query_vars['type'] ) {
401
$where .= " AND comment_type = ''";
402
} elseif( 'pings' == $this->query_vars['type'] ) {
403
$where .= ' AND comment_type IN ("pingback", "trackback")';
404
} elseif ( ! empty( $this->query_vars['type'] ) ) {
405
$where .= $wpdb->prepare( ' AND comment_type = %s', $this->query_vars['type'] );
408
if ( '' !== $this->query_vars['parent'] ) {
409
$where .= $wpdb->prepare( ' AND comment_parent = %d', $this->query_vars['parent'] );
412
if ( is_array( $this->query_vars['user_id'] ) ) {
413
$where .= ' AND user_id IN (' . implode( ',', array_map( 'absint', $this->query_vars['user_id'] ) ) . ')';
414
} elseif ( '' !== $this->query_vars['user_id'] ) {
415
$where .= $wpdb->prepare( ' AND user_id = %d', $this->query_vars['user_id'] );
418
if ( '' !== $this->query_vars['search'] ) {
419
$where .= $this->get_search_sql(
420
$this->query_vars['search'],
421
array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_content' )
425
$plucked = wp_array_slice_assoc( $this->query_vars, array( 'post_author', 'post_name', 'post_parent', 'post_status', 'post_type' ) );
426
$post_fields = array_filter( $plucked );
428
if ( ! empty( $post_fields ) ) {
429
$join = "JOIN $wpdb->posts ON $wpdb->posts.ID = $wpdb->comments.comment_post_ID";
430
foreach( $post_fields as $field_name => $field_value )
431
$where .= $wpdb->prepare( " AND {$wpdb->posts}.{$field_name} = %s", $field_value );
434
if ( ! empty( $this->meta_query->queries ) ) {
435
$clauses = $this->meta_query->get_sql( 'comment', $wpdb->comments, 'comment_ID', $this );
436
$join .= $clauses['join'];
437
$where .= $clauses['where'];
438
$groupby = "{$wpdb->comments}.comment_ID";
441
$date_query = $this->query_vars['date_query'];
442
if ( ! empty( $date_query ) && is_array( $date_query ) ) {
443
$date_query_object = new WP_Date_Query( $date_query, 'comment_date' );
444
$where .= $date_query_object->get_sql();
447
$pieces = array( 'fields', 'join', 'where', 'orderby', 'order', 'limits', 'groupby' );
449
* Filter the comment query clauses.
453
* @param array $pieces A compacted array of comment query clauses.
454
* @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
456
$clauses = apply_filters_ref_array( 'comments_clauses', array( compact( $pieces ), &$this ) );
458
$fields = isset( $clauses[ 'fields' ] ) ? $clauses[ 'fields' ] : '';
459
$join = isset( $clauses[ 'join' ] ) ? $clauses[ 'join' ] : '';
460
$where = isset( $clauses[ 'where' ] ) ? $clauses[ 'where' ] : '';
461
$orderby = isset( $clauses[ 'orderby' ] ) ? $clauses[ 'orderby' ] : '';
462
$order = isset( $clauses[ 'order' ] ) ? $clauses[ 'order' ] : '';
463
$limits = isset( $clauses[ 'limits' ] ) ? $clauses[ 'limits' ] : '';
464
$groupby = isset( $clauses[ 'groupby' ] ) ? $clauses[ 'groupby' ] : '';
467
$groupby = 'GROUP BY ' . $groupby;
469
$query = "SELECT $fields FROM $wpdb->comments $join WHERE $where $groupby ORDER BY $orderby $order $limits";
471
if ( $this->query_vars['count'] ) {
472
return $wpdb->get_var( $query );
475
if ( 'ids' == $this->query_vars['fields'] ) {
476
$this->comments = $wpdb->get_col( $query );
477
return array_map( 'intval', $this->comments );
480
$results = $wpdb->get_results( $query );
482
* Filter the comment query results.
486
* @param array $results An array of comments.
487
* @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
489
$comments = apply_filters_ref_array( 'the_comments', array( $results, &$this ) );
491
wp_cache_add( $cache_key, $comments, 'comment' );
497
* Used internally to generate an SQL string for searching across multiple columns
502
* @param string $string
506
protected function get_search_sql( $string, $cols ) {
509
$like = '%' . $wpdb->esc_like( $string ) . '%';
512
foreach ( $cols as $col ) {
513
$searches[] = $wpdb->prepare( "$col LIKE %s", $like );
516
return ' AND (' . implode(' OR ', $searches) . ')';
521
* Retrieve all of the WordPress supported comment statuses.
523
* Comments have a limited set of valid status values, this provides the comment
524
* status values and descriptions.
528
* @return array List of comment statuses.
530
function get_comment_statuses() {
532
'hold' => __('Unapproved'),
533
/* translators: comment status */
534
'approve' => _x('Approved', 'adjective'),
535
/* translators: comment status */
536
'spam' => _x('Spam', 'adjective'),
543
* The date the last comment was modified.
548
* @param string $timezone Which timezone to use in reference to 'gmt', 'blog',
549
* or 'server' locations.
550
* @return string Last comment modified date.
552
function get_lastcommentmodified($timezone = 'server') {
554
static $cache_lastcommentmodified = array();
556
if ( isset($cache_lastcommentmodified[$timezone]) )
557
return $cache_lastcommentmodified[$timezone];
559
$add_seconds_server = date('Z');
561
switch ( strtolower($timezone)) {
563
$lastcommentmodified = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1");
566
$lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1");
569
$lastcommentmodified = $wpdb->get_var($wpdb->prepare("SELECT DATE_ADD(comment_date_gmt, INTERVAL %s SECOND) FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1", $add_seconds_server));
573
$cache_lastcommentmodified[$timezone] = $lastcommentmodified;
575
return $lastcommentmodified;
579
* The amount of comments in a post or total comments.
581
* A lot like {@link wp_count_comments()}, in that they both return comment
582
* stats (albeit with different types). The {@link wp_count_comments()} actual
583
* caches, but this function does not.
588
* @param int $post_id Optional. Comment amount in post if > 0, else total comments blog wide.
589
* @return array The amount of spam, approved, awaiting moderation, and total comments.
591
function get_comment_count( $post_id = 0 ) {
594
$post_id = (int) $post_id;
597
if ( $post_id > 0 ) {
598
$where = $wpdb->prepare("WHERE comment_post_ID = %d", $post_id);
601
$totals = (array) $wpdb->get_results("
602
SELECT comment_approved, COUNT( * ) AS total
603
FROM {$wpdb->comments}
605
GROUP BY comment_approved
608
$comment_count = array(
610
"awaiting_moderation" => 0,
612
"total_comments" => 0
615
foreach ( $totals as $row ) {
616
switch ( $row['comment_approved'] ) {
618
$comment_count['spam'] = $row['total'];
619
$comment_count["total_comments"] += $row['total'];
622
$comment_count['approved'] = $row['total'];
623
$comment_count['total_comments'] += $row['total'];
626
$comment_count['awaiting_moderation'] = $row['total'];
627
$comment_count['total_comments'] += $row['total'];
634
return $comment_count;
638
// Comment meta functions
642
* Add meta data field to a comment.
646
* @link http://codex.wordpress.org/Function_Reference/add_comment_meta
648
* @param int $comment_id Comment ID.
649
* @param string $meta_key Metadata name.
650
* @param mixed $meta_value Metadata value.
651
* @param bool $unique Optional, default is false. Whether the same key should not be added.
652
* @return int|bool Meta ID on success, false on failure.
654
function add_comment_meta($comment_id, $meta_key, $meta_value, $unique = false) {
655
return add_metadata('comment', $comment_id, $meta_key, $meta_value, $unique);
659
* Remove metadata matching criteria from a comment.
661
* You can match based on the key, or key and value. Removing based on key and
662
* value, will keep from removing duplicate metadata with the same key. It also
663
* allows removing all metadata matching key, if needed.
666
* @uses delete_metadata
667
* @link http://codex.wordpress.org/Function_Reference/delete_comment_meta
669
* @param int $comment_id comment ID
670
* @param string $meta_key Metadata name.
671
* @param mixed $meta_value Optional. Metadata value.
672
* @return bool True on success, false on failure.
674
function delete_comment_meta($comment_id, $meta_key, $meta_value = '') {
675
return delete_metadata('comment', $comment_id, $meta_key, $meta_value);
679
* Retrieve comment meta field for a comment.
683
* @link http://codex.wordpress.org/Function_Reference/get_comment_meta
685
* @param int $comment_id Comment ID.
686
* @param string $key Optional. The meta key to retrieve. By default, returns data for all keys.
687
* @param bool $single Whether to return a single value.
688
* @return mixed Will be an array if $single is false. Will be value of meta data field if $single
691
function get_comment_meta($comment_id, $key = '', $single = false) {
692
return get_metadata('comment', $comment_id, $key, $single);
696
* Update comment meta field based on comment ID.
698
* Use the $prev_value parameter to differentiate between meta fields with the
699
* same key and comment ID.
701
* If the meta field for the comment does not exist, it will be added.
704
* @uses update_metadata
705
* @link http://codex.wordpress.org/Function_Reference/update_comment_meta
707
* @param int $comment_id Comment ID.
708
* @param string $meta_key Metadata key.
709
* @param mixed $meta_value Metadata value.
710
* @param mixed $prev_value Optional. Previous value to check before removing.
711
* @return int|bool Meta ID if the key didn't exist, true on successful update, false on failure.
713
function update_comment_meta($comment_id, $meta_key, $meta_value, $prev_value = '') {
714
return update_metadata('comment', $comment_id, $meta_key, $meta_value, $prev_value);
718
* Sets the cookies used to store an unauthenticated commentator's identity. Typically used
719
* to recall previous comments by this commentator that are still held in moderation.
721
* @param object $comment Comment object.
722
* @param object $user Comment author's object.
726
function wp_set_comment_cookies($comment, $user) {
727
if ( $user->exists() )
731
* Filter the lifetime of the comment cookie in seconds.
735
* @param int $seconds Comment cookie lifetime. Default 30000000.
737
$comment_cookie_lifetime = apply_filters( 'comment_cookie_lifetime', 30000000 );
738
$secure = ( 'https' === parse_url( home_url(), PHP_URL_SCHEME ) );
739
setcookie( 'comment_author_' . COOKIEHASH, $comment->comment_author, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
740
setcookie( 'comment_author_email_' . COOKIEHASH, $comment->comment_author_email, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
741
setcookie( 'comment_author_url_' . COOKIEHASH, esc_url($comment->comment_author_url), time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
745
* Sanitizes the cookies sent to the user already.
747
* Will only do anything if the cookies have already been created for the user.
748
* Mostly used after cookies had been sent to use elsewhere.
752
function sanitize_comment_cookies() {
753
if ( isset( $_COOKIE['comment_author_' . COOKIEHASH] ) ) {
755
* Filter the comment author's name cookie before it is set.
757
* When this filter hook is evaluated in wp_filter_comment(),
758
* the comment author's name string is passed.
762
* @param string $author_cookie The comment author name cookie.
764
$comment_author = apply_filters( 'pre_comment_author_name', $_COOKIE['comment_author_' . COOKIEHASH] );
765
$comment_author = wp_unslash($comment_author);
766
$comment_author = esc_attr($comment_author);
767
$_COOKIE['comment_author_' . COOKIEHASH] = $comment_author;
770
if ( isset( $_COOKIE['comment_author_email_' . COOKIEHASH] ) ) {
772
* Filter the comment author's email cookie before it is set.
774
* When this filter hook is evaluated in wp_filter_comment(),
775
* the comment author's email string is passed.
779
* @param string $author_email_cookie The comment author email cookie.
781
$comment_author_email = apply_filters( 'pre_comment_author_email', $_COOKIE['comment_author_email_' . COOKIEHASH] );
782
$comment_author_email = wp_unslash($comment_author_email);
783
$comment_author_email = esc_attr($comment_author_email);
784
$_COOKIE['comment_author_email_'.COOKIEHASH] = $comment_author_email;
787
if ( isset( $_COOKIE['comment_author_url_' . COOKIEHASH] ) ) {
789
* Filter the comment author's URL cookie before it is set.
791
* When this filter hook is evaluated in wp_filter_comment(),
792
* the comment author's URL string is passed.
796
* @param string $author_url_cookie The comment author URL cookie.
798
$comment_author_url = apply_filters( 'pre_comment_author_url', $_COOKIE['comment_author_url_' . COOKIEHASH] );
799
$comment_author_url = wp_unslash($comment_author_url);
800
$_COOKIE['comment_author_url_'.COOKIEHASH] = $comment_author_url;
805
* Validates whether this comment is allowed to be made.
810
* @param array $commentdata Contains information on the comment
811
* @return mixed Signifies the approval status (0|1|'spam')
813
function wp_allow_comment( $commentdata ) {
816
// Simple duplicate check
817
// expected_slashed ($comment_post_ID, $comment_author, $comment_author_email, $comment_content)
818
$dupe = $wpdb->prepare(
819
"SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = %s AND comment_approved != 'trash' AND ( comment_author = %s ",
820
wp_unslash( $commentdata['comment_post_ID'] ),
821
wp_unslash( $commentdata['comment_parent'] ),
822
wp_unslash( $commentdata['comment_author'] )
824
if ( $commentdata['comment_author_email'] ) {
825
$dupe .= $wpdb->prepare(
826
"OR comment_author_email = %s ",
827
wp_unslash( $commentdata['comment_author_email'] )
830
$dupe .= $wpdb->prepare(
831
") AND comment_content = %s LIMIT 1",
832
wp_unslash( $commentdata['comment_content'] )
834
if ( $wpdb->get_var( $dupe ) ) {
836
* Fires immediately after a duplicate comment is detected.
840
* @param array $commentdata Comment data.
842
do_action( 'comment_duplicate_trigger', $commentdata );
843
if ( defined( 'DOING_AJAX' ) ) {
844
die( __('Duplicate comment detected; it looks as though you’ve already said that!') );
846
wp_die( __('Duplicate comment detected; it looks as though you’ve already said that!') );
850
* Fires immediately before a comment is marked approved.
852
* Allows checking for comment flooding.
856
* @param string $comment_author_IP Comment author's IP address.
857
* @param string $comment_author_email Comment author's email.
858
* @param string $comment_date_gmt GMT date the comment was posted.
861
'check_comment_flood',
862
$commentdata['comment_author_IP'],
863
$commentdata['comment_author_email'],
864
$commentdata['comment_date_gmt']
867
if ( ! empty( $commentdata['user_id'] ) ) {
868
$user = get_userdata( $commentdata['user_id'] );
869
$post_author = $wpdb->get_var( $wpdb->prepare(
870
"SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1",
871
$commentdata['comment_post_ID']
875
if ( isset( $user ) && ( $commentdata['user_id'] == $post_author || $user->has_cap( 'moderate_comments' ) ) ) {
876
// The author and the admins get respect.
879
// Everyone else's comments will be checked.
881
$commentdata['comment_author'],
882
$commentdata['comment_author_email'],
883
$commentdata['comment_author_url'],
884
$commentdata['comment_content'],
885
$commentdata['comment_author_IP'],
886
$commentdata['comment_agent'],
887
$commentdata['comment_type']
894
if ( wp_blacklist_check(
895
$commentdata['comment_author'],
896
$commentdata['comment_author_email'],
897
$commentdata['comment_author_url'],
898
$commentdata['comment_content'],
899
$commentdata['comment_author_IP'],
900
$commentdata['comment_agent']
907
* Filter a comment's approval status before it is set.
911
* @param bool|string $approved The approval status. Accepts 1, 0, or 'spam'.
912
* @param array $commentdata Comment data.
914
$approved = apply_filters( 'pre_comment_approved', $approved, $commentdata );
919
* Check whether comment flooding is occurring.
921
* Won't run, if current user can manage options, so to not block
927
* @param string $ip Comment IP.
928
* @param string $email Comment author email address.
929
* @param string $date MySQL time string.
931
function check_comment_flood_db( $ip, $email, $date ) {
933
if ( current_user_can( 'manage_options' ) )
934
return; // don't throttle admins
935
$hour_ago = gmdate( 'Y-m-d H:i:s', time() - HOUR_IN_SECONDS );
936
if ( $lasttime = $wpdb->get_var( $wpdb->prepare( "SELECT `comment_date_gmt` FROM `$wpdb->comments` WHERE `comment_date_gmt` >= %s AND ( `comment_author_IP` = %s OR `comment_author_email` = %s ) ORDER BY `comment_date_gmt` DESC LIMIT 1", $hour_ago, $ip, $email ) ) ) {
937
$time_lastcomment = mysql2date('U', $lasttime, false);
938
$time_newcomment = mysql2date('U', $date, false);
940
* Filter the comment flood status.
944
* @param bool $bool Whether a comment flood is occurring. Default false.
945
* @param int $time_lastcomment Timestamp of when the last comment was posted.
946
* @param int $time_newcomment Timestamp of when the new comment was posted.
948
$flood_die = apply_filters( 'comment_flood_filter', false, $time_lastcomment, $time_newcomment );
951
* Fires before the comment flood message is triggered.
955
* @param int $time_lastcomment Timestamp of when the last comment was posted.
956
* @param int $time_newcomment Timestamp of when the new comment was posted.
958
do_action( 'comment_flood_trigger', $time_lastcomment, $time_newcomment );
960
if ( defined('DOING_AJAX') )
961
die( __('You are posting comments too quickly. Slow down.') );
963
wp_die( __('You are posting comments too quickly. Slow down.'), '', array('response' => 403) );
969
* Separates an array of comments into an array keyed by comment_type.
973
* @param array $comments Array of comments
974
* @return array Array of comments keyed by comment_type.
976
function separate_comments(&$comments) {
977
$comments_by_type = array('comment' => array(), 'trackback' => array(), 'pingback' => array(), 'pings' => array());
978
$count = count($comments);
979
for ( $i = 0; $i < $count; $i++ ) {
980
$type = $comments[$i]->comment_type;
983
$comments_by_type[$type][] = &$comments[$i];
984
if ( 'trackback' == $type || 'pingback' == $type )
985
$comments_by_type['pings'][] = &$comments[$i];
988
return $comments_by_type;
992
* Calculate the total number of comment pages.
996
* @uses Walker_Comment
998
* @param array $comments Optional array of comment objects. Defaults to $wp_query->comments
999
* @param int $per_page Optional comments per page.
1000
* @param boolean $threaded Optional control over flat or threaded comments.
1001
* @return int Number of comment pages.
1003
function get_comment_pages_count( $comments = null, $per_page = null, $threaded = null ) {
1006
if ( null === $comments && null === $per_page && null === $threaded && !empty($wp_query->max_num_comment_pages) )
1007
return $wp_query->max_num_comment_pages;
1009
if ( ( ! $comments || ! is_array( $comments ) ) && ! empty( $wp_query->comments ) )
1010
$comments = $wp_query->comments;
1012
if ( empty($comments) )
1015
if ( ! get_option( 'page_comments' ) )
1018
if ( !isset($per_page) )
1019
$per_page = (int) get_query_var('comments_per_page');
1020
if ( 0 === $per_page )
1021
$per_page = (int) get_option('comments_per_page');
1022
if ( 0 === $per_page )
1025
if ( !isset($threaded) )
1026
$threaded = get_option('thread_comments');
1029
$walker = new Walker_Comment;
1030
$count = ceil( $walker->get_number_of_root_elements( $comments ) / $per_page );
1032
$count = ceil( count( $comments ) / $per_page );
1039
* Calculate what page number a comment will appear on for comment paging.
1042
* @uses get_comment() Gets the full comment of the $comment_ID parameter.
1043
* @uses get_option() Get various settings to control function and defaults.
1044
* @uses get_page_of_comment() Used to loop up to top level comment.
1046
* @param int $comment_ID Comment ID.
1047
* @param array $args Optional args.
1048
* @return int|null Comment page number or null on error.
1050
function get_page_of_comment( $comment_ID, $args = array() ) {
1053
if ( !$comment = get_comment( $comment_ID ) )
1056
$defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' );
1057
$args = wp_parse_args( $args, $defaults );
1059
if ( '' === $args['per_page'] && get_option('page_comments') )
1060
$args['per_page'] = get_query_var('comments_per_page');
1061
if ( empty($args['per_page']) ) {
1062
$args['per_page'] = 0;
1065
if ( $args['per_page'] < 1 )
1068
if ( '' === $args['max_depth'] ) {
1069
if ( get_option('thread_comments') )
1070
$args['max_depth'] = get_option('thread_comments_depth');
1072
$args['max_depth'] = -1;
1075
// Find this comment's top level parent if threading is enabled
1076
if ( $args['max_depth'] > 1 && 0 != $comment->comment_parent )
1077
return get_page_of_comment( $comment->comment_parent, $args );
1079
$allowedtypes = array(
1081
'pingback' => 'pingback',
1082
'trackback' => 'trackback',
1085
$comtypewhere = ( 'all' != $args['type'] && isset($allowedtypes[$args['type']]) ) ? " AND comment_type = '" . $allowedtypes[$args['type']] . "'" : '';
1087
// Count comments older than this one
1088
$oldercoms = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = 0 AND comment_approved = '1' AND comment_date_gmt < '%s'" . $comtypewhere, $comment->comment_post_ID, $comment->comment_date_gmt ) );
1090
// No older comments? Then it's page #1.
1091
if ( 0 == $oldercoms )
1094
// Divide comments older than this one by comments per page to get this comment's page number
1095
return ceil( ( $oldercoms + 1 ) / $args['per_page'] );
1099
* Does comment contain blacklisted characters or words.
1103
* @param string $author The author of the comment
1104
* @param string $email The email of the comment
1105
* @param string $url The url used in the comment
1106
* @param string $comment The comment content
1107
* @param string $user_ip The comment author IP address
1108
* @param string $user_agent The author's browser user agent
1109
* @return bool True if comment contains blacklisted content, false if comment does not
1111
function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) {
1113
* Fires before the comment is tested for blacklisted characters or words.
1117
* @param string $author Comment author.
1118
* @param string $email Comment author's email.
1119
* @param string $url Comment author's URL.
1120
* @param string $comment Comment content.
1121
* @param string $user_ip Comment author's IP address.
1122
* @param string $user_agent Comment author's browser user agent.
1124
do_action( 'wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent );
1126
$mod_keys = trim( get_option('blacklist_keys') );
1127
if ( '' == $mod_keys )
1128
return false; // If moderation keys are empty
1129
$words = explode("\n", $mod_keys );
1131
foreach ( (array) $words as $word ) {
1132
$word = trim($word);
1135
if ( empty($word) ) { continue; }
1137
// Do some escaping magic so that '#' chars in the
1138
// spam words don't break things:
1139
$word = preg_quote($word, '#');
1141
$pattern = "#$word#i";
1143
preg_match($pattern, $author)
1144
|| preg_match($pattern, $email)
1145
|| preg_match($pattern, $url)
1146
|| preg_match($pattern, $comment)
1147
|| preg_match($pattern, $user_ip)
1148
|| preg_match($pattern, $user_agent)
1156
* Retrieve total comments for blog or single post.
1158
* The properties of the returned object contain the 'moderated', 'approved',
1159
* and spam comments for either the entire blog or single post. Those properties
1160
* contain the amount of comments that match the status. The 'total_comments'
1161
* property contains the integer of total comments.
1163
* The comment stats are cached and then retrieved, if they already exist in the
1168
* @param int $post_id Optional. Post ID.
1169
* @return object Comment stats.
1171
function wp_count_comments( $post_id = 0 ) {
1174
$post_id = (int) $post_id;
1177
* Filter the comments count for a given post.
1181
* @param array $count An empty array.
1182
* @param int $post_id The post ID.
1184
$stats = apply_filters( 'wp_count_comments', array(), $post_id );
1185
if ( !empty($stats) )
1188
$count = wp_cache_get("comments-{$post_id}", 'counts');
1190
if ( false !== $count )
1195
$where = $wpdb->prepare( "WHERE comment_post_ID = %d", $post_id );
1197
$count = $wpdb->get_results( "SELECT comment_approved, COUNT( * ) AS num_comments FROM {$wpdb->comments} {$where} GROUP BY comment_approved", ARRAY_A );
1200
$approved = array('0' => 'moderated', '1' => 'approved', 'spam' => 'spam', 'trash' => 'trash', 'post-trashed' => 'post-trashed');
1201
foreach ( (array) $count as $row ) {
1202
// Don't count post-trashed toward totals
1203
if ( 'post-trashed' != $row['comment_approved'] && 'trash' != $row['comment_approved'] )
1204
$total += $row['num_comments'];
1205
if ( isset( $approved[$row['comment_approved']] ) )
1206
$stats[$approved[$row['comment_approved']]] = $row['num_comments'];
1209
$stats['total_comments'] = $total;
1210
foreach ( $approved as $key ) {
1211
if ( empty($stats[$key]) )
1215
$stats = (object) $stats;
1216
wp_cache_set("comments-{$post_id}", $stats, 'counts');
1222
* Trashes or deletes a comment.
1224
* The comment is moved to trash instead of permanently deleted unless trash is
1225
* disabled, item is already in the trash, or $force_delete is true.
1227
* The post comment count will be updated if the comment was approved and has a
1228
* post ID available.
1232
* @uses wp_transition_comment_status() Passes new and old comment status along with $comment object
1234
* @param int $comment_id Comment ID
1235
* @param bool $force_delete Whether to bypass trash and force deletion. Default is false.
1236
* @return bool True on success, false on failure.
1238
function wp_delete_comment($comment_id, $force_delete = false) {
1240
if (!$comment = get_comment($comment_id))
1243
if ( !$force_delete && EMPTY_TRASH_DAYS && !in_array( wp_get_comment_status($comment_id), array( 'trash', 'spam' ) ) )
1244
return wp_trash_comment($comment_id);
1247
* Fires immediately before a comment is deleted from the database.
1251
* @param int $comment_id The comment ID.
1253
do_action( 'delete_comment', $comment_id );
1255
// Move children up a level.
1256
$children = $wpdb->get_col( $wpdb->prepare("SELECT comment_ID FROM $wpdb->comments WHERE comment_parent = %d", $comment_id) );
1257
if ( !empty($children) ) {
1258
$wpdb->update($wpdb->comments, array('comment_parent' => $comment->comment_parent), array('comment_parent' => $comment_id));
1259
clean_comment_cache($children);
1263
$meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->commentmeta WHERE comment_id = %d", $comment_id ) );
1264
foreach ( $meta_ids as $mid )
1265
delete_metadata_by_mid( 'comment', $mid );
1267
if ( ! $wpdb->delete( $wpdb->comments, array( 'comment_ID' => $comment_id ) ) )
1271
* Fires immediately after a comment is deleted from the database.
1275
* @param int $comment_id The comment ID.
1277
do_action( 'deleted_comment', $comment_id );
1279
$post_id = $comment->comment_post_ID;
1280
if ( $post_id && $comment->comment_approved == 1 )
1281
wp_update_comment_count($post_id);
1283
clean_comment_cache($comment_id);
1285
/** This action is documented in wp-includes/comment.php */
1286
do_action( 'wp_set_comment_status', $comment_id, 'delete' );
1288
wp_transition_comment_status('delete', $comment->comment_approved, $comment);
1293
* Moves a comment to the Trash
1295
* If trash is disabled, comment is permanently deleted.
1299
* @uses wp_delete_comment() if trash is disabled
1301
* @param int $comment_id Comment ID.
1302
* @return bool True on success, false on failure.
1304
function wp_trash_comment($comment_id) {
1305
if ( !EMPTY_TRASH_DAYS )
1306
return wp_delete_comment($comment_id, true);
1308
if ( !$comment = get_comment($comment_id) )
1312
* Fires immediately before a comment is sent to the Trash.
1316
* @param int $comment_id The comment ID.
1318
do_action( 'trash_comment', $comment_id );
1320
if ( wp_set_comment_status($comment_id, 'trash') ) {
1321
add_comment_meta($comment_id, '_wp_trash_meta_status', $comment->comment_approved);
1322
add_comment_meta($comment_id, '_wp_trash_meta_time', time() );
1325
* Fires immediately after a comment is sent to Trash.
1329
* @param int $comment_id The comment ID.
1331
do_action( 'trashed_comment', $comment_id );
1339
* Removes a comment from the Trash
1343
* @param int $comment_id Comment ID.
1344
* @return bool True on success, false on failure.
1346
function wp_untrash_comment($comment_id) {
1347
if ( ! (int)$comment_id )
1351
* Fires immediately before a comment is restored from the Trash.
1355
* @param int $comment_id The comment ID.
1357
do_action( 'untrash_comment', $comment_id );
1359
$status = (string) get_comment_meta($comment_id, '_wp_trash_meta_status', true);
1360
if ( empty($status) )
1363
if ( wp_set_comment_status($comment_id, $status) ) {
1364
delete_comment_meta($comment_id, '_wp_trash_meta_time');
1365
delete_comment_meta($comment_id, '_wp_trash_meta_status');
1367
* Fires immediately after a comment is restored from the Trash.
1371
* @param int $comment_id The comment ID.
1373
do_action( 'untrashed_comment', $comment_id );
1381
* Marks a comment as Spam
1385
* @param int $comment_id Comment ID.
1386
* @return bool True on success, false on failure.
1388
function wp_spam_comment($comment_id) {
1389
if ( !$comment = get_comment($comment_id) )
1393
* Fires immediately before a comment is marked as Spam.
1397
* @param int $comment_id The comment ID.
1399
do_action( 'spam_comment', $comment_id );
1401
if ( wp_set_comment_status($comment_id, 'spam') ) {
1402
add_comment_meta($comment_id, '_wp_trash_meta_status', $comment->comment_approved);
1404
* Fires immediately after a comment is marked as Spam.
1408
* @param int $comment_id The comment ID.
1410
do_action( 'spammed_comment', $comment_id );
1418
* Removes a comment from the Spam
1422
* @param int $comment_id Comment ID.
1423
* @return bool True on success, false on failure.
1425
function wp_unspam_comment($comment_id) {
1426
if ( ! (int)$comment_id )
1430
* Fires immediately before a comment is unmarked as Spam.
1434
* @param int $comment_id The comment ID.
1436
do_action( 'unspam_comment', $comment_id );
1438
$status = (string) get_comment_meta($comment_id, '_wp_trash_meta_status', true);
1439
if ( empty($status) )
1442
if ( wp_set_comment_status($comment_id, $status) ) {
1443
delete_comment_meta($comment_id, '_wp_trash_meta_status');
1445
* Fires immediately after a comment is unmarked as Spam.
1449
* @param int $comment_id The comment ID.
1451
do_action( 'unspammed_comment', $comment_id );
1459
* The status of a comment by ID.
1463
* @param int $comment_id Comment ID
1464
* @return string|bool Status might be 'trash', 'approved', 'unapproved', 'spam'. False on failure.
1466
function wp_get_comment_status($comment_id) {
1467
$comment = get_comment($comment_id);
1471
$approved = $comment->comment_approved;
1473
if ( $approved == null )
1475
elseif ( $approved == '1' )
1477
elseif ( $approved == '0' )
1478
return 'unapproved';
1479
elseif ( $approved == 'spam' )
1481
elseif ( $approved == 'trash' )
1488
* Call hooks for when a comment status transition occurs.
1490
* Calls hooks for comment status transitions. If the new comment status is not the same
1491
* as the previous comment status, then two hooks will be ran, the first is
1492
* 'transition_comment_status' with new status, old status, and comment data. The
1493
* next action called is 'comment_OLDSTATUS_to_NEWSTATUS' the NEWSTATUS is the
1494
* $new_status parameter and the OLDSTATUS is $old_status parameter; it has the
1497
* The final action will run whether or not the comment statuses are the same. The
1498
* action is named 'comment_NEWSTATUS_COMMENTTYPE', NEWSTATUS is from the $new_status
1499
* parameter and COMMENTTYPE is comment_type comment data.
1503
* @param string $new_status New comment status.
1504
* @param string $old_status Previous comment status.
1505
* @param object $comment Comment data.
1507
function wp_transition_comment_status($new_status, $old_status, $comment) {
1509
* Translate raw statuses to human readable formats for the hooks.
1510
* This is not a complete list of comment status, it's only the ones
1511
* that need to be renamed
1513
$comment_statuses = array(
1515
'hold' => 'unapproved', // wp_set_comment_status() uses "hold"
1517
'approve' => 'approved', // wp_set_comment_status() uses "approve"
1519
if ( isset($comment_statuses[$new_status]) ) $new_status = $comment_statuses[$new_status];
1520
if ( isset($comment_statuses[$old_status]) ) $old_status = $comment_statuses[$old_status];
1523
if ( $new_status != $old_status ) {
1525
* Fires when the comment status is in transition.
1529
* @param int|string $new_status The new comment status.
1530
* @param int|string $old_status The old comment status.
1531
* @param object $comment The comment data.
1533
do_action( 'transition_comment_status', $new_status, $old_status, $comment );
1535
* Fires when the comment status is in transition from one specific status to another.
1537
* The dynamic portions of the hook name, $old_status, and $new_status,
1538
* refer to the old and new comment statuses, respectively.
1542
* @param object $comment Comment object.
1544
do_action( "comment_{$old_status}_to_{$new_status}", $comment );
1547
* Fires when the status of a specific comment type is in transition.
1549
* The dynamic portions of the hook name, $new_status, and $comment->comment_type,
1550
* refer to the new comment status, and the type of comment, respectively.
1552
* Typical comment types include an empty string (standard comment), 'pingback',
1557
* @param int $comment_ID The comment ID.
1558
* @param obj $comment Comment object.
1560
do_action( "comment_{$new_status}_{$comment->comment_type}", $comment->comment_ID, $comment );
1564
* Get current commenter's name, email, and URL.
1566
* Expects cookies content to already be sanitized. User of this function might
1567
* wish to recheck the returned array for validity.
1569
* @see sanitize_comment_cookies() Use to sanitize cookies
1573
* @return array Comment author, email, url respectively.
1575
function wp_get_current_commenter() {
1576
// Cookies should already be sanitized.
1578
$comment_author = '';
1579
if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) )
1580
$comment_author = $_COOKIE['comment_author_'.COOKIEHASH];
1582
$comment_author_email = '';
1583
if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) )
1584
$comment_author_email = $_COOKIE['comment_author_email_'.COOKIEHASH];
1586
$comment_author_url = '';
1587
if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) )
1588
$comment_author_url = $_COOKIE['comment_author_url_'.COOKIEHASH];
1591
* Filter the current commenter's name, email, and URL.
1595
* @param string $comment_author Comment author's name.
1596
* @param string $comment_author_email Comment author's email.
1597
* @param string $comment_author_url Comment author's URL.
1599
return apply_filters( 'wp_get_current_commenter', compact('comment_author', 'comment_author_email', 'comment_author_url') );
1603
* Inserts a comment to the database.
1605
* The available comment data key names are 'comment_author_IP', 'comment_date',
1606
* 'comment_date_gmt', 'comment_parent', 'comment_approved', and 'user_id'.
1611
* @param array $commentdata Contains information on the comment.
1612
* @return int|bool The new comment's ID on success, false on failure.
1614
function wp_insert_comment( $commentdata ) {
1616
$data = wp_unslash( $commentdata );
1618
$comment_author = ! isset( $data['comment_author'] ) ? '' : $data['comment_author'];
1619
$comment_author_email = ! isset( $data['comment_author_email'] ) ? '' : $data['comment_author_email'];
1620
$comment_author_url = ! isset( $data['comment_author_url'] ) ? '' : $data['comment_author_url'];
1621
$comment_author_IP = ! isset( $data['comment_author_IP'] ) ? '' : $data['comment_author_IP'];
1623
$comment_date = ! isset( $data['comment_date'] ) ? current_time( 'mysql' ) : $data['comment_date'];
1624
$comment_date_gmt = ! isset( $data['comment_date_gmt'] ) ? get_gmt_from_date( $comment_date ) : $data['comment_date_gmt'];
1626
$comment_post_ID = ! isset( $data['comment_post_ID'] ) ? '' : $data['comment_post_ID'];
1627
$comment_content = ! isset( $data['comment_content'] ) ? '' : $data['comment_content'];
1628
$comment_karma = ! isset( $data['comment_karma'] ) ? 0 : $data['comment_karma'];
1629
$comment_approved = ! isset( $data['comment_approved'] ) ? 1 : $data['comment_approved'];
1630
$comment_agent = ! isset( $data['comment_agent'] ) ? '' : $data['comment_agent'];
1631
$comment_type = ! isset( $data['comment_type'] ) ? '' : $data['comment_type'];
1632
$comment_parent = ! isset( $data['comment_parent'] ) ? 0 : $data['comment_parent'];
1634
$user_id = ! isset( $data['user_id'] ) ? 0 : $data['user_id'];
1636
$compacted = compact( 'comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_date', 'comment_date_gmt', 'comment_content', 'comment_karma', 'comment_approved', 'comment_agent', 'comment_type', 'comment_parent', 'user_id' );
1637
if ( ! $wpdb->insert( $wpdb->comments, $compacted ) ) {
1641
$id = (int) $wpdb->insert_id;
1643
if ( $comment_approved == 1 ) {
1644
wp_update_comment_count( $comment_post_ID );
1646
$comment = get_comment( $id );
1649
* Fires immediately after a comment is inserted into the database.
1653
* @param int $id The comment ID.
1654
* @param obj $comment Comment object.
1656
do_action( 'wp_insert_comment', $id, $comment );
1658
wp_cache_set( 'last_changed', microtime(), 'comment' );
1664
* Filters and sanitizes comment data.
1666
* Sets the comment data 'filtered' field to true when finished. This can be
1667
* checked as to whether the comment should be filtered and to keep from
1668
* filtering the same comment more than once.
1672
* @param array $commentdata Contains information on the comment.
1673
* @return array Parsed comment information.
1675
function wp_filter_comment($commentdata) {
1676
if ( isset( $commentdata['user_ID'] ) ) {
1678
* Filter the comment author's user id before it is set.
1680
* The first time this filter is evaluated, 'user_ID' is checked
1681
* (for back-compat), followed by the standard 'user_id' value.
1685
* @param int $user_ID The comment author's user ID.
1687
$commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_ID'] );
1688
} elseif ( isset( $commentdata['user_id'] ) ) {
1689
/** This filter is documented in wp-includes/comment.php */
1690
$commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_id'] );
1694
* Filter the comment author's browser user agent before it is set.
1698
* @param int $comment_agent The comment author's browser user agent.
1700
$commentdata['comment_agent'] = apply_filters( 'pre_comment_user_agent', ( isset( $commentdata['comment_agent'] ) ? $commentdata['comment_agent'] : '' ) );
1701
/** This filter is documented in wp-includes/comment.php */
1702
$commentdata['comment_author'] = apply_filters( 'pre_comment_author_name', $commentdata['comment_author'] );
1704
* Filter the comment content before it is set.
1708
* @param int $comment_content The comment content.
1710
$commentdata['comment_content'] = apply_filters( 'pre_comment_content', $commentdata['comment_content'] );
1712
* Filter the comment author's IP before it is set.
1716
* @param int $comment_author_ip The comment author's IP.
1718
$commentdata['comment_author_IP'] = apply_filters( 'pre_comment_user_ip', $commentdata['comment_author_IP'] );
1719
/** This filter is documented in wp-includes/comment.php */
1720
$commentdata['comment_author_url'] = apply_filters( 'pre_comment_author_url', $commentdata['comment_author_url'] );
1721
/** This filter is documented in wp-includes/comment.php */
1722
$commentdata['comment_author_email'] = apply_filters( 'pre_comment_author_email', $commentdata['comment_author_email'] );
1723
$commentdata['filtered'] = true;
1724
return $commentdata;
1728
* Whether a comment should be blocked because of comment flood.
1732
* @param bool $block Whether plugin has already blocked comment.
1733
* @param int $time_lastcomment Timestamp for last comment.
1734
* @param int $time_newcomment Timestamp for new comment.
1735
* @return bool Whether comment should be blocked.
1737
function wp_throttle_comment_flood($block, $time_lastcomment, $time_newcomment) {
1738
if ( $block ) // a plugin has already blocked... we'll let that decision stand
1740
if ( ($time_newcomment - $time_lastcomment) < 15 )
1746
* Adds a new comment to the database.
1748
* Filters new comment to ensure that the fields are sanitized and valid before
1749
* inserting comment into database. Calls 'comment_post' action with comment ID
1750
* and whether comment is approved by WordPress. Also has 'preprocess_comment'
1751
* filter for processing the comment data before the function handles it.
1753
* We use REMOTE_ADDR here directly. If you are behind a proxy, you should ensure
1754
* that it is properly set, such as in wp-config.php, for your environment.
1755
* See {@link http://core.trac.wordpress.org/ticket/9235}
1758
* @param array $commentdata Contains information on the comment.
1759
* @return int|bool The ID of the comment on success, false on failure.
1761
function wp_new_comment( $commentdata ) {
1762
if ( isset( $commentdata['user_ID'] ) ) {
1763
$commentdata['user_id'] = $commentdata['user_ID'] = (int) $commentdata['user_ID'];
1766
$prefiltered_user_id = ( isset( $commentdata['user_id'] ) ) ? (int) $commentdata['user_id'] : 0;
1769
* Filter a comment's data before it is sanitized and inserted into the database.
1773
* @param array $commentdata Comment data.
1775
$commentdata = apply_filters( 'preprocess_comment', $commentdata );
1777
$commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID'];
1778
if ( isset( $commentdata['user_ID'] ) && $prefiltered_user_id !== (int) $commentdata['user_ID'] ) {
1779
$commentdata['user_id'] = $commentdata['user_ID'] = (int) $commentdata['user_ID'];
1780
} elseif ( isset( $commentdata['user_id'] ) ) {
1781
$commentdata['user_id'] = (int) $commentdata['user_id'];
1784
$commentdata['comment_parent'] = isset($commentdata['comment_parent']) ? absint($commentdata['comment_parent']) : 0;
1785
$parent_status = ( 0 < $commentdata['comment_parent'] ) ? wp_get_comment_status($commentdata['comment_parent']) : '';
1786
$commentdata['comment_parent'] = ( 'approved' == $parent_status || 'unapproved' == $parent_status ) ? $commentdata['comment_parent'] : 0;
1788
$commentdata['comment_author_IP'] = preg_replace( '/[^0-9a-fA-F:., ]/', '',$_SERVER['REMOTE_ADDR'] );
1789
$commentdata['comment_agent'] = isset( $_SERVER['HTTP_USER_AGENT'] ) ? substr( $_SERVER['HTTP_USER_AGENT'], 0, 254 ) : '';
1791
$commentdata['comment_date'] = current_time('mysql');
1792
$commentdata['comment_date_gmt'] = current_time('mysql', 1);
1794
$commentdata = wp_filter_comment($commentdata);
1796
$commentdata['comment_approved'] = wp_allow_comment($commentdata);
1798
$comment_ID = wp_insert_comment($commentdata);
1799
if ( ! $comment_ID ) {
1804
* Fires immediately after a comment is inserted into the database.
1808
* @param int $comment_ID The comment ID.
1809
* @param int $comment_approved 1 (true) if the comment is approved, 0 (false) if not.
1811
do_action( 'comment_post', $comment_ID, $commentdata['comment_approved'] );
1813
if ( 'spam' !== $commentdata['comment_approved'] ) { // If it's spam save it silently for later crunching
1814
if ( '0' == $commentdata['comment_approved'] ) {
1815
wp_notify_moderator( $comment_ID );
1818
// wp_notify_postauthor() checks if notifying the author of their own comment.
1819
// By default, it won't, but filters can override this.
1820
if ( get_option( 'comments_notify' ) && $commentdata['comment_approved'] ) {
1821
wp_notify_postauthor( $comment_ID );
1829
* Sets the status of a comment.
1831
* The 'wp_set_comment_status' action is called after the comment is handled.
1832
* If the comment status is not in the list, then false is returned.
1835
* @uses wp_transition_comment_status() Passes new and old comment status along with $comment object
1837
* @param int $comment_id Comment ID.
1838
* @param string $comment_status New comment status, either 'hold', 'approve', 'spam', or 'trash'.
1839
* @param bool $wp_error Whether to return a WP_Error object if there is a failure. Default is false.
1840
* @return bool|WP_Error True on success, false or WP_Error on failure.
1842
function wp_set_comment_status($comment_id, $comment_status, $wp_error = false) {
1845
switch ( $comment_status ) {
1853
if ( get_option('comments_notify') ) {
1854
wp_notify_postauthor( $comment_id );
1867
$comment_old = clone get_comment($comment_id);
1869
if ( !$wpdb->update( $wpdb->comments, array('comment_approved' => $status), array('comment_ID' => $comment_id) ) ) {
1871
return new WP_Error('db_update_error', __('Could not update comment status'), $wpdb->last_error);
1876
clean_comment_cache($comment_id);
1878
$comment = get_comment($comment_id);
1881
* Fires immediately before transitioning a comment's status from one to another
1886
* @param int $comment_id Comment ID.
1887
* @param string|bool $comment_status Current comment status. Possible values include
1888
* 'hold', 'approve', 'spam', 'trash', or false.
1890
do_action( 'wp_set_comment_status', $comment_id, $comment_status );
1892
wp_transition_comment_status($comment_status, $comment_old->comment_approved, $comment);
1894
wp_update_comment_count($comment->comment_post_ID);
1900
* Updates an existing comment in the database.
1902
* Filters the comment and makes sure certain fields are valid before updating.
1906
* @uses wp_transition_comment_status() Passes new and old comment status along with $comment object
1908
* @param array $commentarr Contains information on the comment.
1909
* @return int Comment was updated if value is 1, or was not updated if value is 0.
1911
function wp_update_comment($commentarr) {
1914
// First, get all of the original fields
1915
$comment = get_comment($commentarr['comment_ID'], ARRAY_A);
1916
if ( empty( $comment ) ) {
1919
// Escape data pulled from DB.
1920
$comment = wp_slash($comment);
1922
$old_status = $comment['comment_approved'];
1924
// Merge old and new fields with new fields overwriting old ones.
1925
$commentarr = array_merge($comment, $commentarr);
1927
$commentarr = wp_filter_comment( $commentarr );
1929
// Now extract the merged array.
1930
$data = wp_unslash( $commentarr );
1933
* Filter the comment content before it is updated in the database.
1937
* @param string $comment_content The comment data.
1939
$data['comment_content'] = apply_filters( 'comment_save_pre', $data['comment_content'] );
1941
$data['comment_date_gmt'] = get_gmt_from_date( $data['comment_date'] );
1943
if ( ! isset( $data['comment_approved'] ) ) {
1944
$data['comment_approved'] = 1;
1945
} else if ( 'hold' == $data['comment_approved'] ) {
1946
$data['comment_approved'] = 0;
1947
} else if ( 'approve' == $data['comment_approved'] ) {
1948
$data['comment_approved'] = 1;
1951
$comment_ID = $data['comment_ID'];
1952
$comment_post_ID = $data['comment_post_ID'];
1953
$keys = array( 'comment_content', 'comment_author', 'comment_author_email', 'comment_approved', 'comment_karma', 'comment_author_url', 'comment_date', 'comment_date_gmt', 'comment_parent' );
1954
$data = wp_array_slice_assoc( $data, $keys );
1955
$rval = $wpdb->update( $wpdb->comments, $data, compact( 'comment_ID' ) );
1957
clean_comment_cache( $comment_ID );
1958
wp_update_comment_count( $comment_post_ID );
1960
* Fires immediately after a comment is updated in the database.
1962
* The hook also fires immediately before comment status transition hooks are fired.
1966
* @param int $comment_ID The comment ID.
1968
do_action( 'edit_comment', $comment_ID );
1969
$comment = get_comment($comment_ID);
1970
wp_transition_comment_status($comment->comment_approved, $old_status, $comment);
1975
* Whether to defer comment counting.
1977
* When setting $defer to true, all post comment counts will not be updated
1978
* until $defer is set to false. When $defer is set to false, then all
1979
* previously deferred updated post comment counts will then be automatically
1980
* updated without having to call wp_update_comment_count() after.
1983
* @staticvar bool $_defer
1985
* @param bool $defer
1988
function wp_defer_comment_counting($defer=null) {
1989
static $_defer = false;
1991
if ( is_bool($defer) ) {
1993
// flush any deferred counts
1995
wp_update_comment_count( null, true );
2002
* Updates the comment count for post(s).
2004
* When $do_deferred is false (is by default) and the comments have been set to
2005
* be deferred, the post_id will be added to a queue, which will be updated at a
2006
* later date and only updated once per post ID.
2008
* If the comments have not be set up to be deferred, then the post will be
2009
* updated. When $do_deferred is set to true, then all previous deferred post
2010
* IDs will be updated along with the current $post_id.
2013
* @see wp_update_comment_count_now() For what could cause a false return value
2015
* @param int $post_id Post ID
2016
* @param bool $do_deferred Whether to process previously deferred post comment counts
2017
* @return bool True on success, false on failure
2019
function wp_update_comment_count($post_id, $do_deferred=false) {
2020
static $_deferred = array();
2022
if ( $do_deferred ) {
2023
$_deferred = array_unique($_deferred);
2024
foreach ( $_deferred as $i => $_post_id ) {
2025
wp_update_comment_count_now($_post_id);
2026
unset( $_deferred[$i] ); /** @todo Move this outside of the foreach and reset $_deferred to an array instead */
2030
if ( wp_defer_comment_counting() ) {
2031
$_deferred[] = $post_id;
2034
elseif ( $post_id ) {
2035
return wp_update_comment_count_now($post_id);
2041
* Updates the comment count for the post.
2046
* @param int $post_id Post ID
2047
* @return bool True on success, false on '0' $post_id or if post with ID does not exist.
2049
function wp_update_comment_count_now($post_id) {
2051
$post_id = (int) $post_id;
2054
if ( !$post = get_post($post_id) )
2057
$old = (int) $post->comment_count;
2058
$new = (int) $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1'", $post_id) );
2059
$wpdb->update( $wpdb->posts, array('comment_count' => $new), array('ID' => $post_id) );
2061
clean_post_cache( $post );
2064
* Fires immediately after a post's comment count is updated in the database.
2068
* @param int $post_id Post ID.
2069
* @param int $new The new comment count.
2070
* @param int $old The old comment count.
2072
do_action( 'wp_update_comment_count', $post_id, $new, $old );
2073
/** This action is documented in wp-includes/post.php */
2074
do_action( 'edit_post', $post_id, $post );
2080
// Ping and trackback functions.
2084
* Finds a pingback server URI based on the given URL.
2086
* Checks the HTML for the rel="pingback" link and x-pingback headers. It does
2087
* a check for the x-pingback headers first and returns that, if available. The
2088
* check for the rel="pingback" has more overhead than just the header.
2092
* @param string $url URL to ping.
2093
* @param int $deprecated Not Used.
2094
* @return bool|string False on failure, string containing URI on success.
2096
function discover_pingback_server_uri( $url, $deprecated = '' ) {
2097
if ( !empty( $deprecated ) )
2098
_deprecated_argument( __FUNCTION__, '2.7' );
2100
$pingback_str_dquote = 'rel="pingback"';
2101
$pingback_str_squote = 'rel=\'pingback\'';
2103
/** @todo Should use Filter Extension or custom preg_match instead. */
2104
$parsed_url = parse_url($url);
2106
if ( ! isset( $parsed_url['host'] ) ) // Not an URL. This should never happen.
2109
//Do not search for a pingback server on our own uploads
2110
$uploads_dir = wp_upload_dir();
2111
if ( 0 === strpos($url, $uploads_dir['baseurl']) )
2114
$response = wp_safe_remote_head( $url, array( 'timeout' => 2, 'httpversion' => '1.0' ) );
2116
if ( is_wp_error( $response ) )
2119
if ( wp_remote_retrieve_header( $response, 'x-pingback' ) )
2120
return wp_remote_retrieve_header( $response, 'x-pingback' );
2122
// Not an (x)html, sgml, or xml page, no use going further.
2123
if ( preg_match('#(image|audio|video|model)/#is', wp_remote_retrieve_header( $response, 'content-type' )) )
2126
// Now do a GET since we're going to look in the html headers (and we're sure it's not a binary file)
2127
$response = wp_safe_remote_get( $url, array( 'timeout' => 2, 'httpversion' => '1.0' ) );
2129
if ( is_wp_error( $response ) )
2132
$contents = wp_remote_retrieve_body( $response );
2134
$pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);
2135
$pingback_link_offset_squote = strpos($contents, $pingback_str_squote);
2136
if ( $pingback_link_offset_dquote || $pingback_link_offset_squote ) {
2137
$quote = ($pingback_link_offset_dquote) ? '"' : '\'';
2138
$pingback_link_offset = ($quote=='"') ? $pingback_link_offset_dquote : $pingback_link_offset_squote;
2139
$pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset);
2140
$pingback_href_start = $pingback_href_pos+6;
2141
$pingback_href_end = @strpos($contents, $quote, $pingback_href_start);
2142
$pingback_server_url_len = $pingback_href_end - $pingback_href_start;
2143
$pingback_server_url = substr($contents, $pingback_href_start, $pingback_server_url_len);
2145
// We may find rel="pingback" but an incomplete pingback URL
2146
if ( $pingback_server_url_len > 0 ) { // We got it!
2147
return $pingback_server_url;
2155
* Perform all pingbacks, enclosures, trackbacks, and send to pingback services.
2160
function do_all_pings() {
2164
while ($ping = $wpdb->get_row("SELECT ID, post_content, meta_id FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_pingme' LIMIT 1")) {
2165
delete_metadata_by_mid( 'post', $ping->meta_id );
2166
pingback( $ping->post_content, $ping->ID );
2170
while ($enclosure = $wpdb->get_row("SELECT ID, post_content, meta_id FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_encloseme' LIMIT 1")) {
2171
delete_metadata_by_mid( 'post', $enclosure->meta_id );
2172
do_enclose( $enclosure->post_content, $enclosure->ID );
2176
$trackbacks = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE to_ping <> '' AND post_status = 'publish'");
2177
if ( is_array($trackbacks) )
2178
foreach ( $trackbacks as $trackback )
2179
do_trackbacks($trackback);
2181
//Do Update Services/Generic Pings
2186
* Perform trackbacks.
2191
* @param int $post_id Post ID to do trackbacks on.
2193
function do_trackbacks($post_id) {
2196
$post = get_post( $post_id );
2197
$to_ping = get_to_ping($post_id);
2198
$pinged = get_pung($post_id);
2199
if ( empty($to_ping) ) {
2200
$wpdb->update($wpdb->posts, array('to_ping' => ''), array('ID' => $post_id) );
2204
if ( empty($post->post_excerpt) ) {
2205
/** This filter is documented in wp-includes/post-template.php */
2206
$excerpt = apply_filters( 'the_content', $post->post_content, $post->ID );
2208
/** This filter is documented in wp-includes/post-template.php */
2209
$excerpt = apply_filters( 'the_excerpt', $post->post_excerpt );
2212
$excerpt = str_replace(']]>', ']]>', $excerpt);
2213
$excerpt = wp_html_excerpt($excerpt, 252, '…');
2215
/** This filter is documented in wp-includes/post-template.php */
2216
$post_title = apply_filters( 'the_title', $post->post_title, $post->ID );
2217
$post_title = strip_tags($post_title);
2220
foreach ( (array) $to_ping as $tb_ping ) {
2221
$tb_ping = trim($tb_ping);
2222
if ( !in_array($tb_ping, $pinged) ) {
2223
trackback($tb_ping, $post_title, $excerpt, $post_id);
2224
$pinged[] = $tb_ping;
2226
$wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s, '')) WHERE ID = %d", $tb_ping, $post_id) );
2233
* Sends pings to all of the ping site services.
2237
* @param int $post_id Post ID.
2238
* @return int Same as Post ID from parameter
2240
function generic_ping( $post_id = 0 ) {
2241
$services = get_option('ping_sites');
2243
$services = explode("\n", $services);
2244
foreach ( (array) $services as $service ) {
2245
$service = trim($service);
2246
if ( '' != $service )
2247
weblog_ping($service);
2254
* Pings back the links found in a post.
2260
* @param string $content Post content to check for links.
2261
* @param int $post_ID Post ID.
2263
function pingback($content, $post_ID) {
2265
include_once(ABSPATH . WPINC . '/class-IXR.php');
2266
include_once(ABSPATH . WPINC . '/class-wp-http-ixr-client.php');
2268
// original code by Mort (http://mort.mine.nu:8080)
2269
$post_links = array();
2271
$pung = get_pung($post_ID);
2274
// Parsing the post, external links (if any) are stored in the $post_links array
2275
$post_links_temp = wp_extract_urls( $content );
2278
// Walking thru the links array
2279
// first we get rid of links pointing to sites, not to specific files
2281
// http://dummy-weblog.org
2282
// http://dummy-weblog.org/
2283
// http://dummy-weblog.org/post.php
2284
// We don't wanna ping first and second types, even if they have a valid <link/>
2286
foreach ( (array) $post_links_temp as $link_test ) :
2287
if ( !in_array($link_test, $pung) && (url_to_postid($link_test) != $post_ID) // If we haven't pung it already and it isn't a link to itself
2288
&& !is_local_attachment($link_test) ) : // Also, let's never ping local attachments.
2289
if ( $test = @parse_url($link_test) ) {
2290
if ( isset($test['query']) )
2291
$post_links[] = $link_test;
2292
elseif ( isset( $test['path'] ) && ( $test['path'] != '/' ) && ( $test['path'] != '' ) )
2293
$post_links[] = $link_test;
2298
$post_links = array_unique( $post_links );
2300
* Fires just before pinging back links found in a post.
2304
* @param array &$post_links An array of post links to be checked, passed by reference.
2305
* @param array &$pung Whether a link has already been pinged, passed by reference.
2306
* @param int $post_ID The post ID.
2308
do_action_ref_array( 'pre_ping', array( &$post_links, &$pung, $post_ID ) );
2310
foreach ( (array) $post_links as $pagelinkedto ) {
2311
$pingback_server_url = discover_pingback_server_uri( $pagelinkedto );
2313
if ( $pingback_server_url ) {
2314
@ set_time_limit( 60 );
2315
// Now, the RPC call
2316
$pagelinkedfrom = get_permalink($post_ID);
2318
// using a timeout of 3 seconds should be enough to cover slow servers
2319
$client = new WP_HTTP_IXR_Client($pingback_server_url);
2320
$client->timeout = 3;
2322
* Filter the user agent sent when pinging-back a URL.
2326
* @param string $concat_useragent The user agent concatenated with ' -- WordPress/'
2327
* and the WordPress version.
2328
* @param string $useragent The useragent.
2329
* @param string $pingback_server_url The server URL being linked to.
2330
* @param string $pagelinkedto URL of page linked to.
2331
* @param string $pagelinkedfrom URL of page linked from.
2333
$client->useragent = apply_filters( 'pingback_useragent', $client->useragent . ' -- WordPress/' . $wp_version, $client->useragent, $pingback_server_url, $pagelinkedto, $pagelinkedfrom );
2334
// when set to true, this outputs debug messages by itself
2335
$client->debug = false;
2337
if ( $client->query('pingback.ping', $pagelinkedfrom, $pagelinkedto) || ( isset($client->error->code) && 48 == $client->error->code ) ) // Already registered
2338
add_ping( $post_ID, $pagelinkedto );
2344
* Check whether blog is public before returning sites.
2348
* @param mixed $sites Will return if blog is public, will not return if not public.
2349
* @return mixed Empty string if blog is not public, returns $sites, if site is public.
2351
function privacy_ping_filter($sites) {
2352
if ( '0' != get_option('blog_public') )
2361
* Updates database when sending trackback to prevent duplicates.
2366
* @param string $trackback_url URL to send trackbacks.
2367
* @param string $title Title of post.
2368
* @param string $excerpt Excerpt of post.
2369
* @param int $ID Post ID.
2370
* @return mixed Database query from update.
2372
function trackback($trackback_url, $title, $excerpt, $ID) {
2375
if ( empty($trackback_url) )
2379
$options['timeout'] = 4;
2380
$options['body'] = array(
2382
'url' => get_permalink($ID),
2383
'blog_name' => get_option('blogname'),
2384
'excerpt' => $excerpt
2387
$response = wp_safe_remote_post( $trackback_url, $options );
2389
if ( is_wp_error( $response ) )
2392
$wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', %s) WHERE ID = %d", $trackback_url, $ID) );
2393
return $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s, '')) WHERE ID = %d", $trackback_url, $ID) );
2403
* @param string $server Host of blog to connect to.
2404
* @param string $path Path to send the ping.
2406
function weblog_ping($server = '', $path = '') {
2408
include_once(ABSPATH . WPINC . '/class-IXR.php');
2409
include_once(ABSPATH . WPINC . '/class-wp-http-ixr-client.php');
2411
// using a timeout of 3 seconds should be enough to cover slow servers
2412
$client = new WP_HTTP_IXR_Client($server, ((!strlen(trim($path)) || ('/' == $path)) ? false : $path));
2413
$client->timeout = 3;
2414
$client->useragent .= ' -- WordPress/'.$wp_version;
2416
// when set to true, this outputs debug messages by itself
2417
$client->debug = false;
2418
$home = trailingslashit( home_url() );
2419
if ( !$client->query('weblogUpdates.extendedPing', get_option('blogname'), $home, get_bloginfo('rss2_url') ) ) // then try a normal ping
2420
$client->query('weblogUpdates.ping', get_option('blogname'), $home);
2424
* Default filter attached to pingback_ping_source_uri to validate the pingback's Source URI
2427
* @see wp_http_validate_url()
2429
* @param string $source_uri
2432
function pingback_ping_source_uri( $source_uri ) {
2433
return (string) wp_http_validate_url( $source_uri );
2437
* Default filter attached to xmlrpc_pingback_error.
2439
* Returns a generic pingback error code unless the error code is 48,
2440
* which reports that the pingback is already registered.
2443
* @link http://www.hixie.ch/specs/pingback/pingback#TOC3
2445
* @param IXR_Error $ixr_error
2448
function xmlrpc_pingback_error( $ixr_error ) {
2449
if ( $ixr_error->code === 48 )
2451
return new IXR_Error( 0, '' );
2459
* Removes comment ID from the comment cache.
2463
* @param int|array $ids Comment ID or array of comment IDs to remove from cache
2465
function clean_comment_cache($ids) {
2466
foreach ( (array) $ids as $id )
2467
wp_cache_delete($id, 'comment');
2469
wp_cache_set( 'last_changed', microtime(), 'comment' );
2473
* Updates the comment cache of given comments.
2475
* Will add the comments in $comments to the cache. If comment ID already exists
2476
* in the comment cache then it will not be updated. The comment is added to the
2477
* cache using the comment group with the key using the ID of the comments.
2481
* @param array $comments Array of comment row objects
2483
function update_comment_cache($comments) {
2484
foreach ( (array) $comments as $comment )
2485
wp_cache_add($comment->comment_ID, $comment, 'comment');
2493
* Close comments on old posts on the fly, without any extra DB queries. Hooked to the_posts.
2498
* @param object $posts Post data object.
2499
* @param object $query Query object.
2502
function _close_comments_for_old_posts( $posts, $query ) {
2503
if ( empty( $posts ) || ! $query->is_singular() || ! get_option( 'close_comments_for_old_posts' ) )
2507
* Filter the list of post types to automatically close comments for.
2511
* @param array $post_types An array of registered post types. Default array with 'post'.
2513
$post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) );
2514
if ( ! in_array( $posts[0]->post_type, $post_types ) )
2517
$days_old = (int) get_option( 'close_comments_days_old' );
2521
if ( time() - strtotime( $posts[0]->post_date_gmt ) > ( $days_old * DAY_IN_SECONDS ) ) {
2522
$posts[0]->comment_status = 'closed';
2523
$posts[0]->ping_status = 'closed';
2530
* Close comments on an old post. Hooked to comments_open and pings_open.
2535
* @param bool $open Comments open or closed
2536
* @param int $post_id Post ID
2537
* @return bool $open
2539
function _close_comments_for_old_post( $open, $post_id ) {
2543
if ( !get_option('close_comments_for_old_posts') )
2546
$days_old = (int) get_option('close_comments_days_old');
2550
$post = get_post($post_id);
2552
/** This filter is documented in wp-includes/comment.php */
2553
$post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) );
2554
if ( ! in_array( $post->post_type, $post_types ) )
2557
if ( time() - strtotime( $post->post_date_gmt ) > ( $days_old * DAY_IN_SECONDS ) )
added
removed
wp-includes/comment.php
