on-trashed comments, including spam.
* @type int $all The total number of pending or approved comments.
* }
*/
function get_comment_count( $post_id = 0 ) {
$post_id = (int) $post_id;
$comment_count = array(
'approved' => 0,
'awaiting_moderation' => 0,
'spam' => 0,
'trash' => 0,
'post-trashed' => 0,
'total_comments' => 0,
'all' => 0,
);
$args = array(
'count' => true,
'update_comment_meta_cache' => false,
);
if ( $post_id > 0 ) {
$args['post_id'] = $post_id;
}
$mapping = array(
'approved' => 'approve',
'awaiting_moderation' => 'hold',
'spam' => 'spam',
'trash' => 'trash',
'post-trashed' => 'post-trashed',
);
$comment_count = array();
foreach ( $mapping as $key => $value ) {
$comment_count[ $key ] = get_comments( array_merge( $args, array( 'status' => $value ) ) );
}
$comment_count['all'] = $comment_count['approved'] + $comment_count['awaiting_moderation'];
$comment_count['total_comments'] = $comment_count['all'] + $comment_count['spam'];
return array_map( 'intval', $comment_count );
}
//
// Comment meta functions.
//
/**
* Adds meta data field to a comment.
*
* @since 2.9.0
*
* @link https://developer.wordpress.org/reference/functions/add_comment_meta/
*
* @param int $comment_id Comment ID.
* @param string $meta_key Metadata name.
* @param mixed $meta_value Metadata value. Must be serializable if non-scalar.
* @param bool $unique Optional. Whether the same key should not be added.
* Default false.
* @return int|false Meta ID on success, false on failure.
*/
function add_comment_meta( $comment_id, $meta_key, $meta_value, $unique = false ) {
return add_metadata( 'comment', $comment_id, $meta_key, $meta_value, $unique );
}
/**
* Removes metadata matching criteria from a comment.
*
* You can match based on the key, or key and value. Removing based on key and
* value, will keep from removing duplicate metadata with the same key. It also
* allows removing all metadata matching key, if needed.
*
* @since 2.9.0
*
* @link https://developer.wordpress.org/reference/functions/delete_comment_meta/
*
* @param int $comment_id Comment ID.
* @param string $meta_key Metadata name.
* @param mixed $meta_value Optional. Metadata value. If provided,
* rows will only be removed that match the value.
* Must be serializable if non-scalar. Default empty string.
* @return bool True on success, false on failure.
*/
function delete_comment_meta( $comment_id, $meta_key, $meta_value = '' ) {
return delete_metadata( 'comment', $comment_id, $meta_key, $meta_value );
}
/**
* Retrieves comment meta field for a comment.
*
* @since 2.9.0
*
* @link https://developer.wordpress.org/reference/functions/get_comment_meta/
*
* @param int $comment_id Comment ID.
* @param string $key Optional. The meta key to retrieve. By default,
* returns data for all keys. Default empty string.
* @param bool $single Optional. Whether to return a single value.
* This parameter has no effect if `$key` is not specified.
* Default false.
* @return mixed An array of values if `$single` is false.
* The value of meta data field if `$single` is true.
* False for an invalid `$comment_id` (non-numeric, zero, or negative value).
* An empty string if a valid but non-existing comment ID is passed.
*/
function get_comment_meta( $comment_id, $key = '', $single = false ) {
return get_metadata( 'comment', $comment_id, $key, $single );
}
/**
* Queue comment meta for lazy-loading.
*
* @since 6.3.0
*
* @param array $comment_ids List of comment IDs.
*/
function wp_lazyload_comment_meta( array $comment_ids ) {
if ( empty( $comment_ids ) ) {
return;
}
$lazyloader = wp_metadata_lazyloader();
$lazyloader->queue_objects( 'comment', $comment_ids );
}
/**
* Updates comment meta field based on comment ID.
*
* Use the $prev_value parameter to differentiate between meta fields with the
* same key and comment ID.
*
* If the meta field for the comment does not exist, it will be added.
*
* @since 2.9.0
*
* @link https://developer.wordpress.org/reference/functions/update_comment_meta/
*
* @param int $comment_id Comment ID.
* @param string $meta_key Metadata key.
* @param mixed $meta_value Metadata value. Must be serializable if non-scalar.
* @param mixed $prev_value Optional. Previous value to check before updating.
* If specified, only update existing metadata entries with
* this value. Otherwise, update all entries. Default empty string.
* @return int|bool Meta ID if the key didn't exist, true on successful update,
* false on failure or if the value passed to the function
* is the same as the one that is already in the database.
*/
function update_comment_meta( $comment_id, $meta_key, $meta_value, $prev_value = '' ) {
return update_metadata( 'comment', $comment_id, $meta_key, $meta_value, $prev_value );
}
/**
* Sets the cookies used to store an unauthenticated commentator's identity. Typically used
* to recall previous comments by this commentator that are still held in moderation.
*
* @since 3.4.0
* @since 4.9.6 The `$cookies_consent` parameter was added.
*
* @param WP_Comment $comment Comment object.
* @param WP_User $user Comment author's user object. The user may not exist.
* @param bool $cookies_consent Optional. Comment author's consent to store cookies. Default true.
*/
function wp_set_comment_cookies( $comment, $user, $cookies_consent = true ) {
// If the user already exists, or the user opted out of cookies, don't set cookies.
if ( $user->exists() ) {
return;
}
if ( false === $cookies_consent ) {
// Remove any existing cookies.
$past = time() - YEAR_IN_SECONDS;
setcookie( 'comment_author_' . COOKIEHASH, ' ', $past, COOKIEPATH, COOKIE_DOMAIN );
setcookie( 'comment_author_email_' . COOKIEHASH, ' ', $past, COOKIEPATH, COOKIE_DOMAIN );
setcookie( 'comment_author_url_' . COOKIEHASH, ' ', $past, COOKIEPATH, COOKIE_DOMAIN );
return;
}
/**
* Filters the lifetime of the comment cookie in seconds.
*
* @since 2.8.0
*
* @param int $seconds Comment cookie lifetime. Default 30000000.
*/
$comment_cookie_lifetime = time() + apply_filters( 'comment_cookie_lifetime', 30000000 );
$secure = ( 'https' === parse_url( home_url(), PHP_URL_SCHEME ) );
setcookie( 'comment_author_' . COOKIEHASH, $comment->comment_author, $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
setcookie( 'comment_author_email_' . COOKIEHASH, $comment->comment_author_email, $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
setcookie( 'comment_author_url_' . COOKIEHASH, esc_url( $comment->comment_author_url ), $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
}
/**
* Sanitizes the cookies sent to the user already.
*
* Will only do anything if the cookies have already been created for the user.
* Mostly used after cookies had been sent to use elsewhere.
*
* @since 2.0.4
*/
function sanitize_comment_cookies() {
if ( isset( $_COOKIE[ 'comment_author_' . COOKIEHASH ] ) ) {
/**
* Filters the comment author's name cookie before it is set.
*
* When this filter hook is evaluated in wp_filter_comment(),
* the comment author's name string is passed.
*
* @since 1.5.0
*
* @param string $author_cookie The comment author name cookie.
*/
$comment_author = apply_filters( 'pre_comment_author_name', $_COOKIE[ 'comment_author_' . COOKIEHASH ] );
$comment_author = wp_unslash( $comment_author );
$comment_author = esc_attr( $comment_author );
$_COOKIE[ 'comment_author_' . COOKIEHASH ] = $comment_author;
}
if ( isset( $_COOKIE[ 'comment_author_email_' . COOKIEHASH ] ) ) {
/**
* Filters the comment author's email cookie before it is set.
*
* When this filter hook is evaluated in wp_filter_comment(),
* the comment author's email string is passed.
*
* @since 1.5.0
*
* @param string $author_email_cookie The comment author email cookie.
*/
$comment_author_email = apply_filters( 'pre_comment_author_email', $_COOKIE[ 'comment_author_email_' . COOKIEHASH ] );
$comment_author_email = wp_unslash( $comment_author_email );
$comment_author_email = esc_attr( $comment_author_email );
$_COOKIE[ 'comment_author_email_' . COOKIEHASH ] = $comment_author_email;
}
if ( isset( $_COOKIE[ 'comment_author_url_' . COOKIEHASH ] ) ) {
/**
* Filters the comment author's URL cookie before it is set.
*
* When this filter hook is evaluated in wp_filter_comment(),
* the comment author's URL string is passed.
*
* @since 1.5.0
*
* @param string $author_url_cookie The comment author URL cookie.
*/
$comment_author_url = apply_filters( 'pre_comment_author_url', $_COOKIE[ 'comment_author_url_' . COOKIEHASH ] );
$comment_author_url = wp_unslash( $comment_author_url );
$_COOKIE[ 'comment_author_url_' . COOKIEHASH ] = $comment_author_url;
}
}
/**
* Validates whether this comment is allowed to be made.
*
* @since 2.0.0
* @since 4.7.0 The `$avoid_die` parameter was added, allowing the function
* to return a WP_Error object instead of dying.
* @since 5.5.0 The `$avoid_die` parameter was renamed to `$wp_error`.
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array $commentdata Contains information on the comment.
* @param bool $wp_error When true, a disallowed comment will result in the function
* returning a WP_Error object, rather than executing wp_die().
* Default false.
* @return int|string|WP_Error Allowed comments return the approval status (0|1|'spam'|'trash').
* If `$wp_error` is true, disallowed comments return a WP_Error.
*/
function wp_allow_comment( $commentdata, $wp_error = false ) {
global $wpdb;
/*
* Simple duplicate check.
* expected_slashed ($comment_post_ID, $comment_author, $comment_author_email, $comment_content)
*/
$dupe = $wpdb->prepare(
"SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = %s AND comment_approved != 'trash' AND ( comment_author = %s ",
wp_unslash( $commentdata['comment_post_ID'] ),
wp_unslash( $commentdata['comment_parent'] ),
wp_unslash( $commentdata['comment_author'] )
);
if ( $commentdata['comment_author_email'] ) {
$dupe .= $wpdb->prepare(
'AND comment_author_email = %s ',
wp_unslash( $commentdata['comment_author_email'] )
);
}
$dupe .= $wpdb->prepare(
') AND comment_content = %s LIMIT 1',
wp_unslash( $commentdata['comment_content'] )
);
$dupe_id = $wpdb->get_var( $dupe );
/**
* Filters the ID, if any, of the duplicate comment found when creating a new comment.
*
* Return an empty value from this filter to allow what WP considers a duplicate comment.
*
* @since 4.4.0
*
* @param int $dupe_id ID of the comment identified as a duplicate.
* @param array $commentdata Data for the comment being created.
*/
$dupe_id = apply_filters( 'duplicate_comment_id', $dupe_id, $commentdata );
if ( $dupe_id ) {
/**
* Fires immediately after a duplicate comment is detected.
*
* @since 3.0.0
*
* @param array $commentdata Comment data.
*/
do_action( 'comment_duplicate_trigger', $commentdata );
/**
* Filters duplicate comment error message.
*
* @since 5.2.0
*
* @param string $comment_duplicate_message Duplicate comment error message.
*/
$comment_duplicate_message = apply_filters( 'comment_duplicate_message', __( 'Duplicate comment detected; it looks as though you’ve already said that!' ) );
if ( $wp_error ) {
return new WP_Error( 'comment_duplicate', $comment_duplicate_message, 409 );
} else {
if ( wp_doing_ajax() ) {
die( $comment_duplicate_message );
}
wp_die( $comment_duplicate_message, 409 );
}
}
/**
* Fires immediately before a comment is marked approved.
*
* Allows checking for comment flooding.
*
* @since 2.3.0
* @since 4.7.0 The `$avoid_die` parameter was added.
* @since 5.5.0 The `$avoid_die` parameter was renamed to `$wp_error`.
*
* @param string $comment_author_ip Comment author's IP address.
* @param string $comment_author_email Comment author's email.
* @param string $comment_date_gmt GMT date the comment was posted.
* @param bool $wp_error Whether to return a WP_Error object instead of executing
* wp_die() or die() if a comment flood is occurring.
*/
do_action(
'check_comment_flood',
$commentdata['comment_author_IP'],
$commentdata['comment_author_email'],
$commentdata['comment_date_gmt'],
$wp_error
);
/**
* Filters whether a comment is part of a comment flood.
*
* The default check is wp_check_comment_flood(). See check_comment_flood_db().
*
* @since 4.7.0
* @since 5.5.0 The `$avoid_die` parameter was renamed to `$wp_error`.
*
* @param bool $is_flood Is a comment flooding occurring? Default false.
* @param string $comment_author_ip Comment author's IP address.
* @param string $comment_author_email Comment author's email.
* @param string $comment_date_gmt GMT date the comment was posted.
* @param bool $wp_error Whether to return a WP_Error object instead of executing
* wp_die() or die() if a comment flood is occurring.
*/
$is_flood = apply_filters(
'wp_is_comment_flood',
false,
$commentdata['comment_author_IP'],
$commentdata['comment_author_email'],
$commentdata['comment_date_gmt'],
$wp_error
);
if ( $is_flood ) {
/** This filter is documented in wp-includes/comment-template.php */
$comment_flood_message = apply_filters( 'comment_flood_message', __( 'You are posting comments too quickly. Slow down.' ) );
return new WP_Error( 'comment_flood', $comment_flood_message, 429 );
}
if ( ! empty( $commentdata['user_id'] ) ) {
$user = get_userdata( $commentdata['user_id'] );
$post_author = $wpdb->get_var(
$wpdb->prepare(
"SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1",
$commentdata['comment_post_ID']
)
);
}
if ( isset( $user ) && ( $commentdata['user_id'] == $post_author || $user->has_cap( 'moderate_comments' ) ) ) {
// The author and the admins get respect.
$approved = 1;
} else {
// Everyone else's comments will be checked.
if ( check_comment(
$commentdata['comment_author'],
$commentdata['comment_author_email'],
$commentdata['comment_author_url'],
$commentdata['comment_content'],
$commentdata['comment_author_IP'],
$commentdata['comment_agent'],
$commentdata['comment_type']
) ) {
$approved = 1;
} else {
$approved = 0;
}
if ( wp_check_comment_disallowed_list(
$commentdata['comment_author'],
$commentdata['comment_author_email'],
$commentdata['comment_author_url'],
$commentdata['comment_content'],
$commentdata['comment_author_IP'],
$commentdata['comment_agent']
) ) {
$approved = EMPTY_TRASH_DAYS ? 'trash' : 'spam';
}
}
/**
* Filters a comment's approval status before it is set.
*
* @since 2.1.0
* @since 4.9.0 Returning a WP_Error value from the filter will short-circuit comment insertion
* and allow skipping further processing.
*
* @param int|string|WP_Error $approved The approval status. Accepts 1, 0, 'spam', 'trash',
* or WP_Error.
* @param array $commentdata Comment data.
*/
return apply_filters( 'pre_comment_approved', $approved, $commentdata );
}
/**
* Hooks WP's native database-based comment-flood check.
*
* This wrapper maintains backward compatibility with plugins that expect to
* be able to unhook the legacy check_comment_flood_db() function from
* 'check_comment_flood' using remove_action().
*
* @since 2.3.0
* @since 4.7.0 Converted to be an add_filter() wrapper.
*/
function check_comment_flood_db() {
add_filter( 'wp_is_comment_flood', 'wp_check_comment_flood', 10, 5 );
}
/**
* Checks whether comment flooding is occurring.
*
* Won't run, if current user can manage options, so to not block
* administrators.
*
* @since 4.7.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param bool $is_flood Is a comment flooding occurring?
* @param string $ip Comment author's IP address.
* @param string $email Comment author's email address.
* @param string $date MySQL time string.
* @param bool $avoid_die When true, a disallowed comment will result in the function
* returning without executing wp_die() or die(). Default false.
* @return bool Whether comment flooding is occurring.
*/
function wp_check_comment_flood( $is_flood, $ip, $email, $date, $avoid_die = false ) {
global $wpdb;
// Another callback has declared a flood. Trust it.
if ( true === $is_flood ) {
return $is_flood;
}
// Don't throttle admins or moderators.
if ( current_user_can( 'manage_options' ) || current_user_can( 'moderate_comments' ) ) {
return false;
}
$hour_ago = gmdate( 'Y-m-d H:i:s', time() - HOUR_IN_SECONDS );
if ( is_user_logged_in() ) {
$user = get_current_user_id();
$check_column = '`user_id`';
} else {
$user = $ip;
$check_column = '`comment_author_IP`';
}
$sql = $wpdb->prepare(
"SELECT `comment_date_gmt` FROM `$wpdb->comments` WHERE `comment_date_gmt` >= %s AND ( $check_column = %s OR `comment_author_email` = %s ) ORDER BY `comment_date_gmt` DESC LIMIT 1",
$hour_ago,
$user,
$email
);
$lasttime = $wpdb->get_var( $sql );
if ( $lasttime ) {
$time_lastcomment = mysql2date( 'U', $lasttime, false );
$time_newcomment = mysql2date( 'U', $date, false );
/**
* Filters the comment flood status.
*
* @since 2.1.0
*
* @param bool $bool Whether a comment flood is occurring. Default false.
* @param int $time_lastcomment Timestamp of when the last comment was posted.
* @param int $time_newcomment Timestamp of when the new comment was posted.
*/
$flood_die = apply_filters( 'comment_flood_filter', false, $time_lastcomment, $time_newcomment );
if ( $flood_die ) {
/**
* Fires before the comment flood message is triggered.
*
* @since 1.5.0
*
* @param int $time_lastcomment Timestamp of when the last comment was posted.
* @param int $time_newcomment Timestamp of when the new comment was posted.
*/
do_action( 'comment_flood_trigger', $time_lastcomment, $time_newcomment );
if ( $avoid_die ) {
return true;
} else {
/**
* Filters the comment flood error message.
*
* @since 5.2.0
*
* @param string $comment_flood_message Comment flood error message.
*/
$comment_flood_message = apply_filters( 'comment_flood_message', __( 'You are posting comments too quickly. Slow down.' ) );
if ( wp_doing_ajax() ) {
die( $comment_flood_message );
}
wp_die( $comment_flood_message, 429 );
}
}
}
return false;
}
/**
* Separates an array of comments into an array keyed by comment_type.
*
* @since 2.7.0
*
* @param WP_Comment[] $comments Array of comments
* @return WP_Comment[] Array of comments keyed by comment_type.
*/
function separate_comments( &$comments ) {
$comments_by_type = array(
'comment' => array(),
'trackback' => array(),
'pingback' => array(),
'pings' => array(),
);
$count = count( $comments );
for ( $i = 0; $i < $count; $i++ ) {
$type = $comments[ $i ]->comment_type;
if ( empty( $type ) ) {
$type = 'comment';
}
$comments_by_type[ $type ][] = &$comments[ $i ];
if ( 'trackback' === $type || 'pingback' === $type ) {
$comments_by_type['pings'][] = &$comments[ $i ];
}
}
return $comments_by_type;
}
/**
* Calculates the total number of comment pages.
*
* @since 2.7.0
*
* @uses Walker_Comment
*
* @global WP_Query $wp_query WordPress Query object.
*
* @param WP_Comment[] $comments Optional. Array of WP_Comment objects. Defaults to `$wp_query->comments`.
* @param int $per_page Optional. Comments per page. Defaults to the value of `comments_per_page`
* query var, option of the same name, or 1 (in that order).
* @param bool $threaded Optional. Control over flat or threaded comments. Defaults to the value
* of `thread_comments` option.
* @return int Number of comment pages.
*/
function get_comment_pages_count( $comments = null, $per_page = null, $threaded = null ) {
global $wp_query;
if ( null === $comments && null === $per_page && null === $threaded && ! empty( $wp_query->max_num_comment_pages ) ) {
return $wp_query->max_num_comment_pages;
}
if ( ( ! $comments || ! is_array( $comments ) ) && ! empty( $wp_query->comments ) ) {
$comments = $wp_query->comments;
}
if ( empty( $comments ) ) {
return 0;
}
if ( ! get_option( 'page_comments' ) ) {
return 1;
}
if ( ! isset( $per_page ) ) {
$per_page = (int) get_query_var( 'comments_per_page' );
}
if ( 0 === $per_page ) {
$per_page = (int) get_option( 'comments_per_page' );
}
if ( 0 === $per_page ) {
return 1;
}
if ( ! isset( $threaded ) ) {
$threaded = get_option( 'thread_comments' );
}
if ( $threaded ) {
$walker = new Walker_Comment();
$count = ceil( $walker->get_number_of_root_elements( $comments ) / $per_page );
} else {
$count = ceil( count( $comments ) / $per_page );
}
return $count;
}
/**
* Calculates what page number a comment will appear on for comment paging.
*
* @since 2.7.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $comment_id Comment ID.
* @param array $args {
* Array of optional arguments.
*
* @type string $type Limit paginated comments to those matching a given type.
* Accepts 'comment', 'trackback', 'pingback', 'pings'
* (trackbacks and pingbacks), or 'all'. Default 'all'.
* @type int $per_page Per-page count to use when calculating pagination.
* Defaults to the value of the 'comments_per_page' option.
* @type int|string $max_depth If greater than 1, comment page will be determined
* for the top-level parent `$comment_id`.
* Defaults to the value of the 'thread_comments_depth' option.
* }
* @return int|null Comment page number or null on error.
*/
function get_page_of_comment( $comment_id, $args = array() ) {
global $wpdb;
$page = null;
$comment = get_comment( $comment_id );
if ( ! $comment ) {
return;
}
$defaults = array(
'type' => 'all',
'page' => '',
'per_page' => '',
'max_depth' => '',
);
$args = wp_parse_args( $args, $defaults );
$original_args = $args;
// Order of precedence: 1. `$args['per_page']`, 2. 'comments_per_page' query_var, 3. 'comments_per_page' option.
if ( get_option( 'page_comments' ) ) {
if ( '' === $args['per_page'] ) {
$args['per_page'] = get_query_var( 'comments_per_page' );
}
if ( '' === $args['per_page'] ) {
$args['per_page'] = get_option( 'comments_per_page' );
}
}
if ( empty( $args['per_page'] ) ) {
$args['per_page'] = 0;
$args['page'] = 0;
}
if ( $args['per_page'] < 1 ) {
$page = 1;
}
if ( null === $page ) {
if ( '' === $args['max_depth'] ) {
if ( get_option( 'thread_comments' ) ) {
$args['max_depth'] = get_option( 'thread_comments_depth' );
} else {
$args['max_depth'] = -1;
}
}
// Find this comment's top-level parent if threading is enabled.
if ( $args['max_depth'] > 1 && 0 != $comment->comment_parent ) {
return get_page_of_comment( $comment->comment_parent, $args );
}
$comment_args = array(
'type' => $args['type'],
'post_id' => $comment->comment_post_ID,
'fields' => 'ids',
'count' => true,
'status' => 'approve',
'parent' => 0,
'date_query' => array(
array(
'column' => "$wpdb->comments.comment_date_gmt",
'before' => $comment->comment_date_gmt,
),
),
);
if ( is_user_logged_in() ) {
$comment_args['include_unapproved'] = array( get_current_user_id() );
} else {
$unapproved_email = wp_get_unapproved_comment_author_email();
if ( $unapproved_email ) {
$comment_args['include_unapproved'] = array( $unapproved_email );
}
}
/**
* Filters the arguments used to query comments in get_page_of_comment().
*
* @since 5.5.0
*
* @see WP_Comment_Query::__construct()
*
* @param array $comment_args {
* Array of WP_Comment_Query arguments.
*
* @type string $type Limit paginated comments to those matching a given type.
* Accepts 'comment', 'trackback', 'pingback', 'pings'
* (trackbacks and pingbacks), or 'all'. Default 'all'.
* @type int $post_id ID of the post.
* @type string $fields Comment fields to return.
* @type bool $count Whether to return a comment count (true) or array
* of comment objects (false).
* @type string $status Comment status.
* @type int $parent Parent ID of comment to retrieve children of.
* @type array $date_query Date query clauses to limit comments by. See WP_Date_Query.
* @type array $include_unapproved Array of IDs or email addresses whose unapproved comments
* will be included in paginated comments.
* }
*/
$comment_args = apply_filters( 'get_page_of_comment_query_args', $comment_args );
$comment_query = new WP_Comment_Query();
$older_comment_count = $comment_query->query( $comment_args );
// No older comments? Then it's page #1.
if ( 0 == $older_comment_count ) {
$page = 1;
// Divide comments older than this one by comments per page to get this comment's page number.
} else {
$page = ceil( ( $older_comment_count + 1 ) / $args['per_page'] );
}
}
/**
* Filters the calculated page on which a comment appears.
*
* @since 4.4.0
* @since 4.7.0 Introduced the `$comment_id` parameter.
*
* @param int $page Comment page.
* @param array $args {
* Arguments used to calculate pagination. These include arguments auto-detected by the function,
* based on query vars, system settings, etc. For pristine arguments passed to the function,
* see `$original_args`.
*
* @type string $type Type of comments to count.
* @type int $page Calculated current page.
* @type int $per_page Calculated number of comments per page.
* @type int $max_depth Maximum comment threading depth allowed.
* }
* @param array $original_args {
* Array of arguments passed to the function. Some or all of these may not be set.
*
* @type string $type Type of comments to count.
* @type int $page Current comment page.
* @type int $per_page Number of comments per page.
* @type int $max_depth Maximum comment threading depth allowed.
* }
* @param int $comment_id ID of the comment.
*/
return apply_filters( 'get_page_of_comment', (int) $page, $args, $original_args, $comment_id );
}
/**
* Retrieves the maximum character lengths for the comment form fields.
*
* @since 4.5.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @return int[] Array of maximum lengths keyed by field name.
*/
function wp_get_comment_fields_max_lengths() {
global $wpdb;
$lengths = array(
'comment_author' => 245,
'comment_author_email' => 100,
'comment_author_url' => 200,
'comment_content' => 65525,
);
if ( $wpdb->is_mysql ) {
foreach ( $lengths as $column => $length ) {
$col_length = $wpdb->get_col_length( $wpdb->comments, $column );
$max_length = 0;
// No point if we can't get the DB column lengths.
if ( is_wp_error( $col_length ) ) {
break;
}
if ( ! is_array( $col_length ) && (int) $col_length > 0 ) {
$max_length = (int) $col_length;
} elseif ( is_array( $col_length ) && isset( $col_length['length'] ) && (int) $col_length['length'] > 0 ) {
$max_length = (int) $col_length['length'];
if ( ! empty( $col_length['type'] ) && 'byte' === $col_length['type'] ) {
$max_length = $max_length - 10;
}
}
if ( $max_length > 0 ) {
$lengths[ $column ] = $max_length;
}
}
}
/**
* Filters the lengths for the comment form fields.
*
* @since 4.5.0
*
* @param int[] $lengths Array of maximum lengths keyed by field name.
*/
return apply_filters( 'wp_get_comment_fields_max_lengths', $lengths );
}
/**
* Compares the lengths of comment data against the maximum character limits.
*
* @since 4.7.0
*
* @param array $comment_data Array of arguments for inserting a comment.
* @return WP_Error|true WP_Error when a comment field exceeds the limit,
* otherwise true.
*/
function wp_check_comment_data_max_lengths( $comment_data ) {
$max_lengths = wp_get_comment_fields_max_lengths();
if ( isset( $comment_data['comment_author'] ) && mb_strlen( $comment_data['comment_author'], '8bit' ) > $max_lengths['comment_author'] ) {
return new WP_Error( 'comment_author_column_length', __( 'Error: Your name is too long.' ), 200 );
}
if ( isset( $comment_data['comment_author_email'] ) && strlen( $comment_data['comment_author_email'] ) > $max_lengths['comment_author_email'] ) {
return new WP_Error( 'comment_author_email_column_length', __( 'Error: Your email address is too long.' ), 200 );
}
if ( isset( $comment_data['comment_author_url'] ) && strlen( $comment_data['comment_author_url'] ) > $max_lengths['comment_author_url'] ) {
return new WP_Error( 'comment_author_url_column_length', __( 'Error: Your URL is too long.' ), 200 );
}
if ( isset( $comment_data['comment_content'] ) && mb_strlen( $comment_data['comment_content'], '8bit' ) > $max_lengths['comment_content'] ) {
return new WP_Error( 'comment_content_column_length', __( 'Error: Your comment is too long.' ), 200 );
}
return true;
}
/**
* Checks if a comment contains disallowed characters or words.
*
* @since 5.5.0
*
* @param string $author The author of the comment
* @param string $email The email of the comment
* @param string $url The url used in the comment
* @param string $comment The comment content
* @param string $user_ip The comment author's IP address
* @param string $user_agent The author's browser user agent
* @return bool True if comment contains disallowed content, false if comment does not
*/
function wp_check_comment_disallowed_list( $author, $email, $url, $comment, $user_ip, $user_agent ) {
/**
* Fires before the comment is tested for disallowed characters or words.
*
* @since 1.5.0
* @deprecated 5.5.0 Use {@see 'wp_check_comment_disallowed_list'} instead.
*
* @param string $author Comment author.
* @param string $email Comment author's email.
* @param string $url Comment author's URL.
* @param string $comment Comment content.
* @param string $user_ip Comment author's IP address.
* @param string $user_agent Comment author's browser user agent.
*/
do_action_deprecated(
'wp_blacklist_check',
array( $author, $email, $url, $comment, $user_ip, $user_agent ),
'5.5.0',
'wp_check_comment_disallowed_list',
__( 'Please consider writing more inclusive code.' )
);
/**
* Fires before the comment is tested for disallowed characters or words.
*
* @since 5.5.0
*
* @param string $author Comment author.
* @param string $email Comment author's email.
* @param string $url Comment author's URL.
* @param string $comment Comment content.
* @param string $user_ip Comment author's IP address.
* @param string $user_agent Comment author's browser user agent.
*/
do_action( 'wp_check_comment_disallowed_list', $author, $email, $url, $comment, $user_ip, $user_agent );
$mod_keys = trim( get_option( 'disallowed_keys' ) );
if ( '' === $mod_keys ) {
return false; // If moderation keys are empty.
}
// Ensure HTML tags are not being used to bypass the list of disallowed characters and words.
$comment_without_html = wp_strip_all_tags( $comment );
$words = explode( "\n", $mod_keys );
foreach ( (array) $words as $word ) {
$word = trim( $word );
// Skip empty lines.
if ( empty( $word ) ) {
continue; }
// Do some escaping magic so that '#' chars in the spam words don't break things:
$word = preg_quote( $word, '#' );
$pattern = "#$word#iu";
if ( preg_match( $pattern, $author )
|| preg_match( $pattern, $email )
|| preg_match( $pattern, $url )
|| preg_match( $pattern, $comment )
|| preg_match( $pattern, $comment_without_html )
|| preg_match( $pattern, $user_ip )
|| preg_match( $pattern, $user_agent )
) {
return true;
}
}
return false;
}
/**
* Retrieves the total comment counts for the whole site or a single post.
*
* The comment stats are cached and then retrieved, if they already exist in the
* cache.
*
* @see get_comment_count() Which handles fetching the live comment counts.
*
* @since 2.5.0
*
* @param int $post_id Optional. Restrict the comment counts to the given post. Default 0, which indicates that
* comment counts for the whole site will be retrieved.
* @return stdClass {
* The number of comments keyed by their status.
*
* @type int $approved The number of approved comments.
* @type int $moderated The number of comments awaiting moderation (a.k.a. pending).
* @type int $spam The number of spam comments.
* @type int $trash The number of trashed comments.
* @type int $post-trashed The number of comments for posts that are in the trash.
* @type int $total_comments The total number of non-trashed comments, including spam.
* @type int $all The total number of pending or approved comments.
* }
*/
function wp_count_comments( $post_id = 0 ) {
$post_id = (int) $post_id;
/**
* Filters the comments count for a given post or the whole site.
*
* @since 2.7.0
*
* @param array|stdClass $count An empty array or an object containing comment counts.
* @param int $post_id The post ID. Can be 0 to represent the whole site.
*/
$filtered = apply_filters( 'wp_count_comments', array(), $post_id );
if ( ! empty( $filtered ) ) {
return $filtered;
}
$count = wp_cache_get( "comments-{$post_id}", 'counts' );
if ( false !== $count ) {
return $count;
}
$stats = get_comment_count( $post_id );
$stats['moderated'] = $stats['awaiting_moderation'];
unset( $stats['awaiting_moderation'] );
$stats_object = (object) $stats;
wp_cache_set( "comments-{$post_id}", $stats_object, 'counts' );
return $stats_object;
}
/**
* Trashes or deletes a comment.
*
* The comment is moved to Trash instead of permanently deleted unless Trash is
* disabled, item is already in the Trash, or $force_delete is true.
*
* The post comment count will be updated if the comment was approved and has a
* post ID available.
*
* @since 2.0.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
* @param bool $force_delete Whether to bypass Trash and force deletion. Default false.
* @return bool True on success, false on failure.
*/
function wp_delete_comment( $comment_id, $force_delete = false ) {
global $wpdb;
$comment = get_comment( $comment_id );
if ( ! $comment ) {
return false;
}
if ( ! $force_delete && EMPTY_TRASH_DAYS && ! in_array( wp_get_comment_status( $comment ), array( 'trash', 'spam' ), true ) ) {
return wp_trash_comment( $comment_id );
}
/**
* Fires immediately before a comment is deleted from the database.
*
* @since 1.2.0
* @since 4.9.0 Added the `$comment` parameter.
*
* @param string $comment_id The comment ID as a numeric string.
* @param WP_Comment $comment The comment to be deleted.
*/
do_action( 'delete_comment', $comment->comment_ID, $comment );
// Move children up a level.
$children = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_parent = %d", $comment->comment_ID ) );
if ( ! empty( $children ) ) {
$wpdb->update( $wpdb->comments, array( 'comment_parent' => $comment->comment_parent ), array( 'comment_parent' => $comment->comment_ID ) );
clean_comment_cache( $children );
}
// Delete metadata.
$meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->commentmeta WHERE comment_id = %d", $comment->comment_ID ) );
foreach ( $meta_ids as $mid ) {
delete_metadata_by_mid( 'comment', $mid );
}
if ( ! $wpdb->delete( $wpdb->comments, array( 'comment_ID' => $comment->comment_ID ) ) ) {
return false;
}
/**
* Fires immediately after a comment is deleted from the database.
*
* @since 2.9.0
* @since 4.9.0 Added the `$comment` parameter.
*
* @param string $comment_id The comment ID as a numeric string.
* @param WP_Comment $comment The deleted comment.
*/
do_action( 'deleted_comment', $comment->comment_ID, $comment );
$post_id = $comment->comment_post_ID;
if ( $post_id && 1 == $comment->comment_approved ) {
wp_update_comment_count( $post_id );
}
clean_comment_cache( $comment->comment_ID );
/** This action is documented in wp-includes/comment.php */
do_action( 'wp_set_comment_status', $comment->comment_ID, 'delete' );
wp_transition_comment_status( 'delete', $comment->comment_approved, $comment );
return true;
}
/**
* Moves a comment to the Trash
*
* If Trash is disabled, comment is permanently deleted.
*
* @since 2.9.0
*
* @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
* @return bool True on success, false on failure.
*/
function wp_trash_comment( $comment_id ) {
if ( ! EMPTY_TRASH_DAYS ) {
return wp_delete_comment( $comment_id, true );
}
$comment = get_comment( $comment_id );
if ( ! $comment ) {
return false;
}
/**
* Fires immediately before a comment is sent to the Trash.
*
* @since 2.9.0
* @since 4.9.0 Added the `$comment` parameter.
*
* @param string $comment_id The comment ID as a numeric string.
* @param WP_Comment $comment The comment to be trashed.
*/
do_action( 'trash_comment', $comment->comment_ID, $comment );
if ( wp_set_comment_status( $comment, 'trash' ) ) {
delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' );
delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' );
add_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', $comment->comment_approved );
add_comment_meta( $comment->comment_ID, '_wp_trash_meta_time', time() );
/**
* Fires immediately after a comment is sent to Trash.
*
* @since 2.9.0
* @since 4.9.0 Added the `$comment` parameter.
*
* @param string $comment_id The comment ID as a numeric string.
* @param WP_Comment $comment The trashed comment.
*/
do_action( 'trashed_comment', $comment->comment_ID, $comment );
return true;
}
return false;
}
/**
* Removes a comment from the Trash
*
* @since 2.9.0
*
* @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
* @return bool True on success, false on failure.
*/
function wp_untrash_comment( $comment_id ) {
$comment = get_comment( $comment_id );
if ( ! $comment ) {
return false;
}
/**
* Fires immediately before a comment is restored from the Trash.
*
* @since 2.9.0
* @since 4.9.0 Added the `$comment` parameter.
*
* @param string $comment_id The comment ID as a numeric string.
* @param WP_Comment $comment The comment to be untrashed.
*/
do_action( 'untrash_comment', $comment->comment_ID, $comment );
$status = (string) get_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', true );
if ( empty( $status ) ) {
$status = '0';
}
if ( wp_set_comment_status( $comment, $status ) ) {
delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' );
delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' );
/**
* Fires immediately after a comment is restored from the Trash.
*
* @since 2.9.0
* @since 4.9.0 Added the `$comment` parameter.
*
* @param string $comment_id The comment ID as a numeric string.
* @param WP_Comment $comment The untrashed comment.
*/
do_action( 'untrashed_comment', $comment->comment_ID, $comment );
return true;
}
return false;
}
/**
* Marks a comment as Spam.
*
* @since 2.9.0
*
* @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
* @return bool True on success, false on failure.
*/
function wp_spam_comment( $comment_id ) {
$comment = get_comment( $comment_id );
if ( ! $comment ) {
return false;
}
/**
* Fires immediately before a comment is marked as Spam.
*
* @since 2.9.0
* @since 4.9.0 Added the `$comment` parameter.
*
* @param int $comment_id The comment ID.
* @param WP_Comment $comment The comment to be marked as spam.
*/
do_action( 'spam_comment', $comment->comment_ID, $comment );
if ( wp_set_comment_status( $comment, 'spam' ) ) {
delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' );
delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' );
add_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', $comment->comment_approved );
add_comment_meta( $comment->comment_ID, '_wp_trash_meta_time', time() );
/**
* Fires immediately after a comment is marked as Spam.
*
* @since 2.9.0
* @since 4.9.0 Added the `$comment` parameter.
*
* @param int $comment_id The comment ID.
* @param WP_Comment $comment The comment marked as spam.
*/
do_action( 'spammed_comment', $comment->comment_ID, $comment );
return true;
}
return false;
}
/**
* Removes a comment from the Spam.
*
* @since 2.9.0
*
* @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
* @return bool True on success, false on failure.
*/
function wp_unspam_comment( $comment_id ) {
$comment = get_comment( $comment_id );
if ( ! $comment ) {
return false;
}
/**
* Fires immediately before a comment is unmarked as Spam.
*
* @since 2.9.0
* @since 4.9.0 Added the `$comment` parameter.
*
* @param string $comment_id The comment ID as a numeric string.
* @param WP_Comment $comment The comment to be unmarked as spam.
*/
do_action( 'unspam_comment', $comment->comment_ID, $comment );
$status = (string) get_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', true );
if ( empty( $status ) ) {
$status = '0';
}
if ( wp_set_comment_status( $comment, $status ) ) {
delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' );
delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' );
/**
* Fires immediately after a comment is unmarked as Spam.
*
* @since 2.9.0
* @since 4.9.0 Added the `$comment` parameter.
*
* @param string $comment_id The comment ID as a numeric string.
* @param WP_Comment $comment The comment unmarked as spam.
*/
do_action( 'unspammed_comment', $comment->comment_ID, $comment );
return true;
}
return false;
}
/**
* Retrieves the status of a comment by comment ID.
*
* @since 1.0.0
*
* @param int|WP_Comment $comment_id Comment ID or WP_Comment object
* @return string|false Status might be 'trash', 'approved', 'unapproved', 'spam'. False on failure.
*/
function wp_get_comment_status( $comment_id ) {
$comment = get_comment( $comment_id );
if ( ! $comment ) {
return false;
}
$approved = $comment->comment_approved;
if ( null == $approved ) {
return false;
} elseif ( '1' == $approved ) {
return 'approved';
} elseif ( '0' == $approved ) {
return 'unapproved';
} elseif ( 'spam' === $approved ) {
return 'spam';
} elseif ( 'trash' === $approved ) {
return 'trash';
} else {
return false;
}
}
/**
* Calls hooks for when a comment status transition occurs.
*
* Calls hooks for comment status transitions. If the new comment status is not the same
* as the previous comment status, then two hooks will be ran, the first is
* {@see 'transition_comment_status'} with new status, old status, and comment data.
* The next action called is {@see 'comment_$old_status_to_$new_status'}. It has
* the comment data.
*
* The final action will run whether or not the comment statuses are the same.
* The action is named {@see 'comment_$new_status_$comment->comment_type'}.
*
* @since 2.7.0
*
* @param string $new_status New comment status.
* @param string $old_status Previous comment status.
* @param WP_Comment $comment Comment object.
*/
function wp_transition_comment_status( $new_status, $old_status, $comment ) {
/*
* Translate raw statuses to human-readable formats for the hooks.
* This is not a complete list of comment status, it's only the ones
* that need to be renamed.
*/
$comment_statuses = array(
0 => 'unapproved',
'hold' => 'unapproved', // wp_set_comment_status() uses "hold".
1 => 'approved',
'approve' => 'approved', // wp_set_comment_status() uses "approve".
);
if ( isset( $comment_statuses[ $new_status ] ) ) {
$new_status = $comment_statuses[ $new_status ];
}
if ( isset( $comment_statuses[ $old_status ] ) ) {
$old_status = $comment_statuses[ $old_status ];
}
// Call the hooks.
if ( $new_status != $old_status ) {
/**
* Fires when the comment status is in transition.
*
* @since 2.7.0
*
* @param int|string $new_status The new comment status.
* @param int|string $old_status The old comment status.
* @param WP_Comment $comment Comment object.
*/
do_action( 'transition_comment_status', $new_status, $old_status, $comment );
/**
* Fires when the comment status is in transition from one specific status to another.
*
* The dynamic portions of the hook name, `$old_status`, and `$new_status`,
* refer to the old and new comment statuses, respectively.
*
* Possible hook names include:
*
* - `comment_unapproved_to_approved`
* - `comment_spam_to_approved`
* - `comment_approved_to_unapproved`
* - `comment_spam_to_unapproved`
* - `comment_unapproved_to_spam`
* - `comment_approved_to_spam`
*
* @since 2.7.0
*
* @param WP_Comment $comment Comment object.
*/
do_action( "comment_{$old_status}_to_{$new_status}", $comment );
}
/**
* Fires when the status of a specific comment type is in transition.
*
* The dynamic portions of the hook name, `$new_status`, and `$comment->comment_type`,
* refer to the new comment status, and the type of comment, respectively.
*
* Typical comment types include 'comment', 'pingback', or 'trackback'.
*
* Possible hook names include:
*
* - `comment_approved_comment`
* - `comment_approved_pingback`
* - `comment_approved_trackback`
* - `comment_unapproved_comment`
* - `comment_unapproved_pingback`
* - `comment_unapproved_trackback`
* - `comment_spam_comment`
* - `comment_spam_pingback`
* - `comment_spam_trackback`
*
* @since 2.7.0
*
* @param string $comment_id The comment ID as a numeric string.
* @param WP_Comment $comment Comment object.
*/
do_action( "comment_{$new_status}_{$comment->comment_type}", $comment->comment_ID, $comment );
}
/**
* Clears the lastcommentmodified cached value when a comment status is changed.
*
* Deletes the lastcommentmodified cache key when a comment enters or leaves
* 'approved' status.
*
* @since 4.7.0
* @access private
*
* @param string $new_status The new comment status.
* @param string $old_status The old comment status.
*/
function _clear_modified_cache_on_transition_comment_status( $new_status, $old_status ) {
if ( 'approved' === $new_status || 'approved' === $old_status ) {
$data = array();
foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) {
$data[] = "lastcommentmodified:$timezone";
}
wp_cache_delete_multiple( $data, 'timeinfo' );
}
}
/**
* Gets current commenter's name, email, and URL.
*
* Expects cookies content to already be sanitized. User of this function might
* wish to recheck the returned array for validity.
*
* @see sanitize_comment_cookies() Use to sanitize cookies
*
* @since 2.0.4
*
* @return array {
* An array of current commenter variables.
*
* @type string $comment_author The name of the current commenter, or an empty string.
* @type string $comment_author_email The email address of the current commenter, or an empty string.
* @type string $comment_author_url The URL address of the current commenter, or an empty string.
* }
*/
function wp_get_current_commenter() {
// Cookies should already be sanitized.
$comment_author = '';
if ( isset( $_COOKIE[ 'comment_author_' . COOKIEHASH ] ) ) {
$comment_author = $_COOKIE[ 'comment_author_' . COOKIEHASH ];
}
$comment_author_email = '';
if ( isset( $_COOKIE[ 'comment_author_email_' . COOKIEHASH ] ) ) {
$comment_author_email = $_COOKIE[ 'comment_author_email_' . COOKIEHASH ];
}
$comment_author_url = '';
if ( isset( $_COOKIE[ 'comment_author_url_' . COOKIEHASH ] ) ) {
$comment_author_url = $_COOKIE[ 'comment_author_url_' . COOKIEHASH ];
}
/**
* Filters the current commenter's name, email, and URL.
*
* @since 3.1.0
*
* @param array $comment_author_data {
* An array of current commenter variables.
*
* @type string $comment_author The name of the current commenter, or an empty string.
* @type string $comment_author_email The email address of the current commenter, or an empty string.
* @type string $comment_author_url The URL address of the current commenter, or an empty string.
* }
*/
return apply_filters( 'wp_get_current_commenter', compact( 'comment_author', 'comment_author_email', 'comment_author_url' ) );
}
/**
* Gets unapproved comment author's email.
*
* Used to allow the commenter to see their pending comment.
*
* @since 5.1.0
* @since 5.7.0 The window within which the author email for an unapproved comment
* can be retrieved was extended to 10 minutes.
*
* @return string The unapproved comment author's email (when supplied).
*/
function wp_get_unapproved_comment_author_email() {
$commenter_email = '';
if ( ! empty( $_GET['unapproved'] ) && ! empty( $_GET['moderation-hash'] ) ) {
$comment_id = (int) $_GET['unapproved'];
$comment = get_comment( $comment_id );
if ( $comment && hash_equals( $_GET['moderation-hash'], wp_hash( $comment->comment_date_gmt ) ) ) {
// The comment will only be viewable by the comment author for 10 minutes.
$comment_preview_expires = strtotime( $comment->comment_date_gmt . '+10 minutes' );
if ( time() < $comment_preview_expires ) {
$commenter_email = $comment->comment_author_email;
}
}
}
if ( ! $commenter_email ) {
$commenter = wp_get_current_commenter();
$commenter_email = $commenter['comment_author_email'];
}
return $commenter_email;
}
/**
* Inserts a comment into the database.
*
* @since 2.0.0
* @since 4.4.0 Introduced the `$comment_meta` argument.
* @since 5.5.0 Default value for `$comment_type` argument changed to `comment`.
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array $commentdata {
* Array of arguments for inserting a new comment.
*
* @type string $comment_agent The HTTP user agent of the `$comment_author` when
* the comment was submitted. Default empty.
* @type int|string $comment_approved Whether the comment has been approved. Default 1.
* @type string $comment_author The name of the author of the comment. Default empty.
* @type string $comment_author_email The email address of the `$comment_author`. Default empty.
* @type string $comment_author_IP The IP address of the `$comment_author`. Default empty.
* @type string $comment_author_url The URL address of the `$comment_author`. Default empty.
* @type string $comment_content The content of the comment. Default empty.
* @type string $comment_date The date the comment was submitted. To set the date
* manually, `$comment_date_gmt` must also be specified.
* Default is the current time.
* @type string $comment_date_gmt The date the comment was submitted in the GMT timezone.
* Default is `$comment_date` in the site's GMT timezone.
* @type int $comment_karma The karma of the comment. Default 0.
* @type int $comment_parent ID of this comment's parent, if any. Default 0.
* @type int $comment_post_ID ID of the post that relates to the comment, if any.
* Default 0.
* @type string $comment_type Comment type. Default 'comment'.
* @type array $comment_meta Optional. Array of key/value pairs to be stored in commentmeta for the
* new comment.
* @type int $user_id ID of the user who submitted the comment. Default 0.
* }
* @return int|false The new comment's ID on success, false on failure.
*/
function wp_insert_comment( $commentdata ) {
global $wpdb;
$data = wp_unslash( $commentdata );
$comment_author = ! isset( $data['comment_author'] ) ? '' : $data['comment_author'];
$comment_author_email = ! isset( $data['comment_author_email'] ) ? '' : $data['comment_author_email'];
$comment_author_url = ! isset( $data['comment_author_url'] ) ? '' : $data['comment_author_url'];
$comment_author_ip = ! isset( $data['comment_author_IP'] ) ? '' : $data['comment_author_IP'];
$comment_date = ! isset( $data['comment_date'] ) ? current_time( 'mysql' ) : $data['comment_date'];
$comment_date_gmt = ! isset( $data['comment_date_gmt'] ) ? get_gmt_from_date( $comment_date ) : $data['comment_date_gmt'];
$comment_post_id = ! isset( $data['comment_post_ID'] ) ? 0 : $data['comment_post_ID'];
$comment_content = ! isset( $data['comment_content'] ) ? '' : $data['comment_content'];
$comment_karma = ! isset( $data['comment_karma'] ) ? 0 : $data['comment_karma'];
$comment_approved = ! isset( $data['comment_approved'] ) ? 1 : $data['comment_approved'];
$comment_agent = ! isset( $data['comment_agent'] ) ? '' : $data['comment_agent'];
$comment_type = empty( $data['comment_type'] ) ? 'comment' : $data['comment_type'];
$comment_parent = ! isset( $data['comment_parent'] ) ? 0 : $data['comment_parent'];
$user_id = ! isset( $data['user_id'] ) ? 0 : $data['user_id'];
$compacted = array(
'comment_post_ID' => $comment_post_id,
'comment_author_IP' => $comment_author_ip,
);
$compacted += compact(
'comment_author',
'comment_author_email',
'comment_author_url',
'comment_date',
'comment_date_gmt',
'comment_content',
'comment_karma',
'comment_approved',
'comment_agent',
'comment_type',
'comment_parent',
'user_id'
);
if ( ! $wpdb->insert( $wpdb->comments, $compacted ) ) {
return false;
}
$id = (int) $wpdb->insert_id;
if ( 1 == $comment_approved ) {
wp_update_comment_count( $comment_post_id );
$data = array();
foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) {
$data[] = "lastcommentmodified:$timezone";
}
wp_cache_delete_multiple( $data, 'timeinfo' );
}
clean_comment_cache( $id );
$comment = get_comment( $id );
// If metadata is provided, store it.
if ( isset( $commentdata['comment_meta'] ) && is_array( $commentdata['comment_meta'] ) ) {
foreach ( $commentdata['comment_meta'] as $meta_key => $meta_value ) {
add_comment_meta( $comment->comment_ID, $meta_key, $meta_value, true );
}
}
/**
* Fires immediately after a comment is inserted into the database.
*
* @since 2.8.0
*
* @param int $id The comment ID.
* @param WP_Comment $comment Comment object.
*/
do_action( 'wp_insert_comment', $id, $comment );
return $id;
}
/**
* Filters and sanitizes comment data.
*
* Sets the comment data 'filtered' field to true when finished. This can be
* checked as to whether the comment should be filtered and to keep from
* filtering the same comment more than once.
*
* @since 2.0.0
*
* @param array $commentdata Contains information on the comment.
* @return array Parsed comment information.
*/
function wp_filter_comment( $commentdata ) {
if ( isset( $commentdata['user_ID'] ) ) {
/**
* Filters the comment author's user ID before it is set.
*
* The first time this filter is evaluated, `user_ID` is checked
* (for back-compat), followed by the standard `user_id` value.
*
* @since 1.5.0
*
* @param int $user_id The comment author's user ID.
*/
$commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_ID'] );
} elseif ( isset( $commentdata['user_id'] ) ) {
/** This filter is documented in wp-includes/comment.php */
$commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_id'] );
}
/**
* Filters the comment author's browser user agent before it is set.
*
* @since 1.5.0
*
* @param string $comment_agent The comment author's browser user agent.
*/
$commentdata['comment_agent'] = apply_filters( 'pre_comment_user_agent', ( isset( $commentdata['comment_agent'] ) ? $commentdata['comment_agent'] : '' ) );
/** This filter is documented in wp-includes/comment.php */
$commentdata['comment_author'] = apply_filters( 'pre_comment_author_name', $commentdata['comment_author'] );
/**
* Filters the comment content before it is set.
*
* @since 1.5.0
*
* @param string $comment_content The comment content.
*/
$commentdata['comment_content'] = apply_filters( 'pre_comment_content', $commentdata['comment_content'] );
/**
* Filters the comment author's IP address before it is set.
*
* @since 1.5.0
*
* @param string $comment_author_ip The comment author's IP address.
*/
$commentdata['comment_author_IP'] = apply_filters( 'pre_comment_user_ip', $commentdata['comment_author_IP'] );
/** This filter is documented in wp-includes/comment.php */
$commentdata['comment_author_url'] = apply_filters( 'pre_comment_author_url', $commentdata['comment_author_url'] );
/** This filter is documented in wp-includes/comment.php */
$commentdata['comment_author_email'] = apply_filters( 'pre_comment_author_email', $commentdata['comment_author_email'] );
$commentdata['filtered'] = true;
return $commentdata;
}
/**
* Determines whether a comment should be blocked because of comment flood.
*
* @since 2.1.0
*
* @param bool $block Whether plugin has already blocked comment.
* @param int $time_lastcomment Timestamp for last comment.
* @param int $time_newcomment Timestamp for new comment.
* @return bool Whether comment should be blocked.
*/
function wp_throttle_comment_flood( $block, $time_lastcomment, $time_newcomment ) {
if ( $block ) { // A plugin has already blocked... we'll let that decision stand.
return $block;
}
if ( ( $time_newcomment - $time_lastcomment ) < 15 ) {
return true;
}
return false;
}
/**
* Adds a new comment to the database.
*
* Filters new comment to ensure that the fields are sanitized and valid before
* inserting comment into database. Calls {@see 'comment_post'} action with comment ID
* and whether comment is approved by WordPress. Also has {@see 'preprocess_comment'}
* filter for processing the comment data before the function handles it.
*
* We use `REMOTE_ADDR` here directly. If you are behind a proxy, you should ensure
* that it is properly set, such as in wp-config.php, for your environment.
*
* See {@link https://core.trac.wordpress.org/ticket/9235}
*
* @since 1.5.0
* @since 4.3.0 Introduced the `comment_agent` and `comment_author_IP` arguments.
* @since 4.7.0 The `$avoid_die` parameter was added, allowing the function
* to return a WP_Error object instead of dying.
* @since 5.5.0 The `$avoid_die` parameter was renamed to `$wp_error`.
* @since 5.5.0 Introduced the `comment_type` argument.
*
* @see wp_insert_comment()
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array $commentdata {
* Comment data.
*
* @type string $comment_author The name of the comment author.
* @type string $comment_author_email The comment author email address.
* @type string $comment_author_url The comment author URL.
* @type string $comment_content The content of the comment.
* @type string $comment_date The date the comment was submitted. Default is the current time.
* @type string $comment_date_gmt The date the comment was submitted in the GMT timezone.
* Default is `$comment_date` in the GMT timezone.
* @type string $comment_type Comment type. Default 'comment'.
* @type int $comment_parent The ID of this comment's parent, if any. Default 0.
* @type int $comment_post_ID The ID of the post that relates to the comment.
* @type int $user_id The ID of the user who submitted the comment. Default 0.
* @type int $user_ID Kept for backward-compatibility. Use `$user_id` instead.
* @type string $comment_agent Comment author user agent. Default is the value of 'HTTP_USER_AGENT'
* in the `$_SERVER` superglobal sent in the original request.
* @type string $comment_author_IP Comment author IP address in IPv4 format. Default is the value of
* 'REMOTE_ADDR' in the `$_SERVER` superglobal sent in the original request.
* }
* @param bool $wp_error Should errors be returned as WP_Error objects instead of
* executing wp_die()? Default false.
* @return int|false|WP_Error The ID of the comment on success, false or WP_Error on failure.
*/
function wp_new_comment( $commentdata, $wp_error = false ) {
global $wpdb;
/*
* Normalize `user_ID` to `user_id`, but pass the old key
* to the `preprocess_comment` filter for backward compatibility.
*/
if ( isset( $commentdata['user_ID'] ) ) {
$commentdata['user_ID'] = (int) $commentdata['user_ID'];
$commentdata['user_id'] = $commentdata['user_ID'];
} elseif ( isset( $commentdata['user_id'] ) ) {
$commentdata['user_id'] = (int) $commentdata['user_id'];
$commentdata['user_ID'] = $commentdata['user_id'];
}
$prefiltered_user_id = ( isset( $commentdata['user_id'] ) ) ? (int) $commentdata['user_id'] : 0;
if ( ! isset( $commentdata['comment_author_IP'] ) ) {
$commentdata['comment_author_IP'] = $_SERVER['REMOTE_ADDR'];
}
if ( ! isset( $commentdata['comment_agent'] ) ) {
$commentdata['comment_agent'] = isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : '';
}
/**
* Filters a comment's data before it is sanitized and inserted into the database.
*
* @since 1.5.0
* @since 5.6.0 Comment data includes the `comment_agent` and `comment_author_IP` values.
*
* @param array $commentdata Comment data.
*/
$commentdata = apply_filters( 'preprocess_comment', $commentdata );
$commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID'];
// Normalize `user_ID` to `user_id` again, after the filter.
if ( isset( $commentdata['user_ID'] ) && $prefiltered_user_id !== (int) $commentdata['user_ID'] ) {
$commentdata['user_ID'] = (int) $commentdata['user_ID'];
$commentdata['user_id'] = $commentdata['user_ID'];
} elseif ( isset( $commentdata['user_id'] ) ) {
$commentdata['user_id'] = (int) $commentdata['user_id'];
$commentdata['user_ID'] = $commentdata['user_id'];
}
$commentdata['comment_parent'] = isset( $commentdata['comment_parent'] ) ? absint( $commentdata['comment_parent'] ) : 0;
$parent_status = ( $commentdata['comment_parent'] > 0 ) ? wp_get_comment_status( $commentdata['comment_parent'] ) : '';
$commentdata['comment_parent'] = ( 'approved' === $parent_status || 'unapproved' === $parent_status ) ? $commentdata['comment_parent'] : 0;
$commentdata['comment_author_IP'] = preg_replace( '/[^0-9a-fA-F:., ]/', '', $commentdata['comment_author_IP'] );
$commentdata['comment_agent'] = substr( $commentdata['comment_agent'], 0, 254 );
if ( empty( $commentdata['comment_date'] ) ) {
$commentdata['comment_date'] = current_time( 'mysql' );
}
if ( empty( $commentdata['comment_date_gmt'] ) ) {
$commentdata['comment_date_gmt'] = current_time( 'mysql', 1 );
}
if ( empty( $commentdata['comment_type'] ) ) {
$commentdata['comment_type'] = 'comment';
}
$commentdata = wp_filter_comment( $commentdata );
$commentdata['comment_approved'] = wp_allow_comment( $commentdata, $wp_error );
if ( is_wp_error( $commentdata['comment_approved'] ) ) {
return $commentdata['comment_approved'];
}
$comment_id = wp_insert_comment( $commentdata );
if ( ! $comment_id ) {
$fields = array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content' );
foreach ( $fields as $field ) {
if ( isset( $commentdata[ $field ] ) ) {
$commentdata[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->comments, $field, $commentdata[ $field ] );
}
}
$commentdata = wp_filter_comment( $commentdata );
$commentdata['comment_approved'] = wp_allow_comment( $commentdata, $wp_error );
if ( is_wp_error( $commentdata['comment_approved'] ) ) {
return $commentdata['comment_approved'];
}
$comment_id = wp_insert_comment( $commentdata );
if ( ! $comment_id ) {
return false;
}
}
/**
* Fires immediately after a comment is inserted into the database.
*
* @since 1.2.0
* @since 4.5.0 The `$commentdata` parameter was added.
*
* @param int $comment_id The comment ID.
* @param int|string $comment_approved 1 if the comment is approved, 0 if not, 'spam' if spam.
* @param array $commentdata Comment data.
*/
do_action( 'comment_post', $comment_id, $commentdata['comment_approved'], $commentdata );
return $comment_id;
}
/**
* Sends a comment moderation notification to the comment moderator.
*
* @since 4.4.0
*
* @param int $comment_id ID of the comment.
* @return bool True on success, false on failure.
*/
function wp_new_comment_notify_moderator( $comment_id ) {
$comment = get_comment( $comment_id );
// Only send notifications for pending comments.
$maybe_notify = ( '0' == $comment->comment_approved );
/** This filter is documented in wp-includes/pluggable.php */
$maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_id );
if ( ! $maybe_notify ) {
return false;
}
return wp_notify_moderator( $comment_id );
}
/**
* Sends a notification of a new comment to the post author.
*
* @since 4.4.0
*
* Uses the {@see 'notify_post_author'} filter to determine whether the post author
* should be notified when a new comment is added, overriding site setting.
*
* @param int $comment_id Comment ID.
* @return bool True on success, false on failure.
*/
function wp_new_comment_notify_postauthor( $comment_id ) {
$comment = get_comment( $comment_id );
$maybe_notify = get_option( 'comments_notify' );
/**
* Filters whether to send the post author new comment notification emails,
* overriding the site setting.
*
* @since 4.4.0
*
* @param bool $maybe_notify Whether to notify the post author about the new comment.
* @param int $comment_id The ID of the comment for the notification.
*/
$maybe_notify = apply_filters( 'notify_post_author', $maybe_notify, $comment_id );
/*
* wp_notify_postauthor() checks if notifying the author of their own comment.
* By default, it won't, but filters can override this.
*/
if ( ! $maybe_notify ) {
return false;
}
// Only send notifications for approved comments.
if ( ! isset( $comment->comment_approved ) || '1' != $comment->comment_approved ) {
return false;
}
return wp_notify_postauthor( $comment_id );
}
/**
* Sets the status of a comment.
*
* The {@see 'wp_set_comment_status'} action is called after the comment is handled.
* If the comment status is not in the list, then false is returned.
*
* @since 1.0.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
* @param string $comment_status New comment status, either 'hold', 'approve', 'spam', or 'trash'.
* @param bool $wp_error Whether to return a WP_Error object if there is a failure. Default false.
* @return bool|WP_Error True on success, false or WP_Error on failure.
*/
function wp_set_comment_status( $comment_id, $comment_status, $wp_error = false ) {
global $wpdb;
switch ( $comment_status ) {
case 'hold':
case '0':
$status = '0';
break;
case 'approve':
case '1':
$status = '1';
add_action( 'wp_set_comment_status', 'wp_new_comment_notify_postauthor' );
break;
case 'spam':
$status = 'spam';
break;
case 'trash':
$status = 'trash';
break;
default:
return false;
}
$comment_old = clone get_comment( $comment_id );
if ( ! $wpdb->update( $wpdb->comments, array( 'comment_approved' => $status ), array( 'comment_ID' => $comment_old->comment_ID ) ) ) {
if ( $wp_error ) {
return new WP_Error( 'db_update_error', __( 'Could not update comment status.' ), $wpdb->last_error );
} else {
return false;
}
}
clean_comment_cache( $comment_old->comment_ID );
$comment = get_comment( $comment_old->comment_ID );
/**
* Fires immediately after transitioning a comment's status from one to another in the database
* and removing the comment from the object cache, but prior to all status transition hooks.
*
* @since 1.5.0
*
* @param string $comment_id Comment ID as a numeric string.
* @param string $comment_status Current comment status. Possible values include
* 'hold', '0', 'approve', '1', 'spam', and 'trash'.
*/
do_action( 'wp_set_comment_status', $comment->comment_ID, $comment_status );
wp_transition_comment_status( $comment_status, $comment_old->comment_approved, $comment );
wp_update_comment_count( $comment->comment_post_ID );
return true;
}
/**
* Updates an existing comment in the database.
*
* Filters the comment and makes sure certain fields are valid before updating.
*
* @since 2.0.0
* @since 4.9.0 Add updating comment meta during comment update.
* @since 5.5.0 The `$wp_error` parameter was added.
* @since 5.5.0 The return values for an invalid comment or post ID
* were changed to false instead of 0.
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array $commentarr Contains information on the comment.
* @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false.
* @return int|false|WP_Error The value 1 if the comment was updated, 0 if not updated.
* False or a WP_Error object on failure.
*/
function wp_update_comment( $commentarr, $wp_error = false ) {
global $wpdb;
// First, get all of the original fields.
$comment = get_comment( $commentarr['comment_ID'], ARRAY_A );
if ( empty( $comment ) ) {
if ( $wp_error ) {
return new WP_Error( 'invalid_comment_id', __( 'Invalid comment ID.' ) );
} else {
return false;
}
}
// Make sure that the comment post ID is valid (if specified).
if ( ! empty( $commentarr['comment_post_ID'] ) && ! get_post( $commentarr['comment_post_ID'] ) ) {
if ( $wp_error ) {
return new WP_Error( 'invalid_post_id', __( 'Invalid post ID.' ) );
} else {
return false;
}
}
$filter_comment = false;
if ( ! has_filter( 'pre_comment_content', 'wp_filter_kses' ) ) {
$filter_comment = ! user_can( isset( $comment['user_id'] ) ? $comment['user_id'] : 0, 'unfiltered_html' );
}
if ( $filter_comment ) {
add_filter( 'pre_comment_content', 'wp_filter_kses' );
}
// Escape data pulled from DB.
$comment = wp_slash( $comment );
$old_status = $comment['comment_approved'];
// Merge old and new fields with new fields overwriting old ones.
$commentarr = array_merge( $comment, $commentarr );
$commentarr = wp_filter_comment( $commentarr );
if ( $filter_comment ) {
remove_filter( 'pre_comment_content', 'wp_filter_kses' );
}
// Now extract the merged array.
$data = wp_unslash( $commentarr );
/**
* Filters the comment content before it 500-internal server errorError occurred: 500 - internal server error