File "functions.php"
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<?php
/**
* bbPress Common Functions
*
* Common functions are ones that are used by more than one component, like
* forums, topics, replies, users, topic tags, etc...
*
* @package bbPress
* @subpackage Functions
*/
// Exit if accessed directly
defined( 'ABSPATH' ) || exit;
/**
* Return array of bbPress registered post types
*
* @since 2.6.0 bbPress (r6813)
*
* @param array $args Array of arguments to pass into `get_post_types()`
*
* @return array
*/
function bbp_get_post_types( $args = array() ) {
// Parse args
$r = bbp_parse_args( $args, array(
'source' => 'bbpress'
), 'get_post_types' );
// Return post types
return get_post_types( $r );
}
/** URLs **********************************************************************/
/**
* Return the unescaped redirect_to request value
*
* @bbPress (r4655)
*
* @return string The URL to redirect to, if set
*/
function bbp_get_redirect_to() {
// Check 'redirect_to' request parameter
$retval = ! empty( $_REQUEST['redirect_to'] )
? $_REQUEST['redirect_to']
: '';
// Filter & return
return apply_filters( 'bbp_get_redirect_to', $retval );
}
/**
* Append 'view=all' to query string if it's already there from referer
*
* @since 2.0.0 bbPress (r3325)
*
* @param string $original_link Original Link to be modified
* @param bool $force Override bbp_get_view_all() check
* @return string The link with 'view=all' appended if necessary
*/
function bbp_add_view_all( $original_link = '', $force = false ) {
// Are we appending the view=all vars?
$link = ( bbp_get_view_all() || ! empty( $force ) )
? add_query_arg( array( 'view' => 'all' ), $original_link )
: $original_link;
// Filter & return
return apply_filters( 'bbp_add_view_all', $link, $original_link );
}
/**
* Remove 'view=all' from query string
*
* @since 2.0.0 bbPress (r3325)
*
* @param string $original_link Original Link to be modified
* @return string The link with 'view=all' appended if necessary
*/
function bbp_remove_view_all( $original_link = '' ) {
// Remove `view' argument
$link = remove_query_arg( 'view', $original_link );
// Filter & return
return apply_filters( 'bbp_remove_view_all', $link, $original_link );
}
/**
* If current user can and is viewing all topics/replies
*
* @since 2.0.0 bbPress (r3325)
*
* @param string $cap Capability used to ensure user can view all
*
* @return bool Whether current user can and is viewing all
*/
function bbp_get_view_all( $cap = 'moderate' ) {
$retval = ( ( ! empty( $_GET['view'] ) && ( 'all' === $_GET['view'] ) && current_user_can( $cap ) ) );
// Filter & return
return (bool) apply_filters( 'bbp_get_view_all', (bool) $retval, $cap );
}
/**
* Assist pagination by returning correct page number
*
* @since 2.0.0 bbPress (r2628)
*
* @return int Current page number
*/
function bbp_get_paged() {
$wp_query = bbp_get_wp_query();
// Check the query var
if ( get_query_var( 'paged' ) ) {
$paged = get_query_var( 'paged' );
// Check query paged
} elseif ( ! empty( $wp_query->query['paged'] ) ) {
$paged = $wp_query->query['paged'];
}
// Paged found
if ( ! empty( $paged ) ) {
return (int) $paged;
}
// Default to first page
return 1;
}
/** Misc **********************************************************************/
/**
* Return the unique non-empty values of an array.
*
* @since 2.6.0 bbPress (r6481)
*
* @param array $array Array to get values of
*
* @return array
*/
function bbp_get_unique_array_values( $array = array() ) {
return array_unique( array_filter( array_values( $array ) ) );
}
/**
* Fix post author id on post save
*
* When a logged in user changes the status of an anonymous reply or topic, or
* edits it, the post_author field is set to the logged in user's id. This
* function fixes that.
*
* @since 2.0.0 bbPress (r2734)
*
* @param array $data Post data
* @param array $postarr Original post array (includes post id)
* @return array Data
*/
function bbp_fix_post_author( $data = array(), $postarr = array() ) {
// Post is not being updated or the post_author is already 0, return
if ( empty( $postarr['ID'] ) || empty( $data['post_author'] ) ) {
return $data;
}
// Post is not a topic or reply, return
if ( ! in_array( $data['post_type'], array( bbp_get_topic_post_type(), bbp_get_reply_post_type() ), true ) ) {
return $data;
}
// Is the post by an anonymous user?
if ( ( bbp_get_topic_post_type() === $data['post_type'] && ! bbp_is_topic_anonymous( $postarr['ID'] ) ) ||
( bbp_get_reply_post_type() === $data['post_type'] && ! bbp_is_reply_anonymous( $postarr['ID'] ) ) ) {
return $data;
}
// The post is being updated. It is a topic or a reply and is written by an anonymous user.
// Set the post_author back to 0
$data['post_author'] = 0;
return $data;
}
/**
* Check a date against the length of time something can be edited.
*
* It is recommended to leave $utc set to true and to work with UTC/GMT dates.
* Turning this off will use the WordPress offset which is likely undesirable.
*
* @since 2.0.0 bbPress (r3133)
* @since 2.6.0 bbPress (r6868) Inverted some logic and added unit tests
*
* @param string $datetime Gets run through strtotime()
* @param boolean $utc Default true. Is the timestamp in UTC?
*
* @return bool True by default, if date is past, or editing is disabled.
*/
function bbp_past_edit_lock( $datetime = '', $utc = true ) {
// Default value
$retval = true;
// Check if date and editing is allowed
if ( bbp_allow_content_edit() ) {
// Get number of minutes to allow editing for
$minutes = bbp_get_edit_lock();
// 0 minutes means forever, so can never be past edit-lock time
if ( 0 === $minutes ) {
$retval = false;
// Checking against a specific datetime
} elseif ( ! empty( $datetime ) ) {
// Period of time
$lockable = "+{$minutes} minutes";
if ( true === $utc ) {
$lockable .= " UTC";
}
// Now
$cur_time = current_time( 'timestamp', $utc );
// Get the duration in seconds
$duration = strtotime( $lockable ) - $cur_time;
// Diff the times down to seconds
$lock_time = strtotime( $lockable, $cur_time );
$past_time = strtotime( $datetime, $cur_time );
$diff_time = ( $lock_time - $past_time ) - $duration;
// Check if less than lock time
if ( $diff_time < $duration ) {
$retval = false;
}
}
}
// Filter & return
return (bool) apply_filters( 'bbp_past_edit_lock', $retval, $datetime, $utc );
}
/**
* Get number of days something should remain trashed for before it is cleaned
* up by WordPress Cron. If set to 0, items will skip trash and be deleted
* immediately.
*
* @since 2.6.0 bbPress (r6424)
*
* @param string $context Provide context for additional filtering
* @return int Number of days items remain in trash
*/
function bbp_get_trash_days( $context = 'forum' ) {
// Sanitize the context
$context = sanitize_key( $context );
// Check the WordPress constant
$days = defined( 'EMPTY_TRASH_DAYS' )
? (int) EMPTY_TRASH_DAYS
: 30;
// Filter & return
return (int) apply_filters( 'bbp_get_trash_days', $days, $context );
}
/** Statistics ****************************************************************/
/**
* Get the forum statistics
*
* @since 2.0.0 bbPress (r2769)
* @since 2.6.0 bbPress (r6055) Introduced the `count_pending_topics` and
* `count_pending_replies` arguments.
*
* @param array $args Optional. The function supports these arguments (all
* default to true):
* - count_users: Count users?
* - count_forums: Count forums?
* - count_topics: Count topics? If set to false, private, spammed and trashed
* topics are also not counted.
* - count_pending_topics: Count pending topics? (only counted if the current
* user has edit_others_topics cap)
* - count_private_topics: Count private topics? (only counted if the current
* user has read_private_topics cap)
* - count_spammed_topics: Count spammed topics? (only counted if the current
* user has edit_others_topics cap)
* - count_trashed_topics: Count trashed topics? (only counted if the current
* user has view_trash cap)
* - count_replies: Count replies? If set to false, private, spammed and
* trashed replies are also not counted.
* - count_pending_replies: Count pending replies? (only counted if the current
* user has edit_others_replies cap)
* - count_private_replies: Count private replies? (only counted if the current
* user has read_private_replies cap)
* - count_spammed_replies: Count spammed replies? (only counted if the current
* user has edit_others_replies cap)
* - count_trashed_replies: Count trashed replies? (only counted if the current
* user has view_trash cap)
* - count_tags: Count tags? If set to false, empty tags are also not counted
* - count_empty_tags: Count empty tags?
* @return object Walked forum tree
*/
function bbp_get_statistics( $args = array() ) {
// Parse arguments against default values
$r = bbp_parse_args( $args, array(
// Users
'count_users' => true,
// Forums
'count_forums' => true,
// Topics
'count_topics' => true,
'count_pending_topics' => true,
'count_private_topics' => true,
'count_spammed_topics' => true,
'count_trashed_topics' => true,
// Replies
'count_replies' => true,
'count_pending_replies' => true,
'count_private_replies' => true,
'count_spammed_replies' => true,
'count_trashed_replies' => true,
// Topic tags
'count_tags' => true,
'count_empty_tags' => true
), 'get_statistics' );
// Defaults
$topic_count = $topic_count_hidden = 0;
$reply_count = $reply_count_hidden = 0;
$topic_tag_count = $empty_topic_tag_count = 0;
$hidden_topic_title = $hidden_reply_title = '';
// Users
$user_count = ! empty( $r['count_users'] )
? bbp_get_total_users()
: 0;
// Forums
$forum_count = ! empty( $r['count_forums'] )
? wp_count_posts( bbp_get_forum_post_type() )->publish
: 0;
// Post statuses
$pending = bbp_get_pending_status_id();
$private = bbp_get_private_status_id();
$spam = bbp_get_spam_status_id();
$trash = bbp_get_trash_status_id();
$closed = bbp_get_closed_status_id();
// Topics
if ( ! empty( $r['count_topics'] ) ) {
$all_topics = wp_count_posts( bbp_get_topic_post_type() );
// Published (publish + closed)
$topic_count = $all_topics->publish + $all_topics->{$closed};
if ( current_user_can( 'read_private_topics' ) || current_user_can( 'edit_others_topics' ) || current_user_can( 'view_trash' ) ) {
// Declare empty arrays
$topics = $topic_titles = array();
// Pending
$topics['pending'] = ( ! empty( $r['count_pending_topics'] ) && current_user_can( 'edit_others_topics' ) )
? (int) $all_topics->{$pending}
: 0;
// Private
$topics['private'] = ( ! empty( $r['count_private_topics'] ) && current_user_can( 'read_private_topics' ) )
? (int) $all_topics->{$private}
: 0;
// Spam
$topics['spammed'] = ( ! empty( $r['count_spammed_topics'] ) && current_user_can( 'edit_others_topics' ) )
? (int) $all_topics->{$spam}
: 0;
// Trash
$topics['trashed'] = ( ! empty( $r['count_trashed_topics'] ) && current_user_can( 'view_trash' ) )
? (int) $all_topics->{$trash}
: 0;
// Total hidden (pending + private + spam + trash)
$topic_count_hidden = $topics['pending'] + $topics['private'] + $topics['spammed'] + $topics['trashed'];
// Generate the hidden topic count's title attribute
$topic_titles[] = ! empty( $topics['pending'] )
? sprintf( esc_html__( 'Pending: %s', 'bbpress' ), bbp_number_format_i18n( $topics['pending'] ) )
: '';
$topic_titles[] = ! empty( $topics['private'] )
? ''//sprintf( esc_html__( 'Private: %s', 'bbpress' ), bbp_number_format_i18n( $topics['private'] ) )
: '';
$topic_titles[] = ! empty( $topics['spammed'] )
? sprintf( esc_html__( 'Spammed: %s', 'bbpress' ), bbp_number_format_i18n( $topics['spammed'] ) )
: '';
$topic_titles[] = ! empty( $topics['trashed'] )
? sprintf( esc_html__( 'Trashed: %s', 'bbpress' ), bbp_number_format_i18n( $topics['trashed'] ) )
: '';
// Compile the hidden topic title
$hidden_topic_title = implode( ' | ', array_filter( $topic_titles ) );
}
}
// Replies
if ( ! empty( $r['count_replies'] ) ) {
$all_replies = wp_count_posts( bbp_get_reply_post_type() );
// Published
$reply_count = $all_replies->publish;
if ( current_user_can( 'read_private_replies' ) || current_user_can( 'edit_others_replies' ) || current_user_can( 'view_trash' ) ) {
// Declare empty arrays
$replies = $reply_titles = array();
// Pending
$replies['pending'] = ( ! empty( $r['count_pending_replies'] ) && current_user_can( 'edit_others_replies' ) )
? (int) $all_replies->{$pending}
: 0;
// Private
$replies['private'] = ( ! empty( $r['count_private_replies'] ) && current_user_can( 'read_private_replies' ) )
? (int) $all_replies->{$private}
: 0;
// Spam
$replies['spammed'] = ( ! empty( $r['count_spammed_replies'] ) && current_user_can( 'edit_others_replies' ) )
? (int) $all_replies->{$spam}
: 0;
// Trash
$replies['trashed'] = ( ! empty( $r['count_trashed_replies'] ) && current_user_can( 'view_trash' ) )
? (int) $all_replies->{$trash}
: 0;
// Total hidden (pending + private + spam + trash)
$reply_count_hidden = $replies['pending'] + $replies['private'] + $replies['spammed'] + $replies['trashed'];
// Generate the hidden topic count's title attribute
$reply_titles[] = ! empty( $replies['pending'] )
? sprintf( esc_html__( 'Pending: %s', 'bbpress' ), bbp_number_format_i18n( $replies['pending'] ) )
: '';
$reply_titles[] = ! empty( $replies['private'] )
? sprintf( esc_html__( 'Private: %s', 'bbpress' ), bbp_number_format_i18n( $replies['private'] ) )
: '';
$reply_titles[] = ! empty( $replies['spammed'] )
? sprintf( esc_html__( 'Spammed: %s', 'bbpress' ), bbp_number_format_i18n( $replies['spammed'] ) )
: '';
$reply_titles[] = ! empty( $replies['trashed'] )
? sprintf( esc_html__( 'Trashed: %s', 'bbpress' ), bbp_number_format_i18n( $replies['trashed'] ) )
: '';
// Compile the hidden replies title
$hidden_reply_title = implode( ' | ', array_filter( $reply_titles ) );
}
}
// Topic Tags
if ( ! empty( $r['count_tags'] ) && bbp_allow_topic_tags() ) {
// Get the count
$topic_tag_count = wp_count_terms( bbp_get_topic_tag_tax_id(), array( 'hide_empty' => true ) );
// Empty tags
if ( ! empty( $r['count_empty_tags'] ) && current_user_can( 'edit_topic_tags' ) ) {
$empty_topic_tag_count = wp_count_terms( bbp_get_topic_tag_tax_id() ) - $topic_tag_count;
}
}
// Tally the tallies
$counts = array_filter( array_map( 'absint', compact(
'user_count',
'forum_count',
'topic_count',
'topic_count_hidden',
'reply_count',
'reply_count_hidden',
'topic_tag_count',
'empty_topic_tag_count'
) ) );
// Define return value
$statistics = array();
// Loop through and store the integer and i18n formatted counts.
foreach ( $counts as $key => $count ) {
$statistics[ $key ] = bbp_number_format_i18n( $count );
$statistics[ "{$key}_int" ] = $count;
}
// Add the hidden (topic/reply) count title attribute strings because we
// don't need to run the math functions on these (see above)
$statistics['hidden_topic_title'] = $hidden_topic_title;
$statistics['hidden_reply_title'] = $hidden_reply_title;
// Filter & return
return (array) apply_filters( 'bbp_get_statistics', $statistics, $r, $args );
}
/** New/edit topic/reply helpers **********************************************/
/**
* Filter anonymous post data
*
* 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}
*
* Note that bbp_pre_anonymous_filters() is responsible for sanitizing each
* of the filtered core anonymous values here.
*
* If there are any errors, those are directly added to {@link bbPress:errors}
*
* @since 2.0.0 bbPress (r2734)
*
* @param array $args Optional. If no args are there, then $_POST values are
* @return bool|array False on errors, values in an array on success
*/
function bbp_filter_anonymous_post_data( $args = array() ) {
// Parse arguments against default values
$r = bbp_parse_args( $args, array(
'bbp_anonymous_name' => ! empty( $_POST['bbp_anonymous_name'] ) ? $_POST['bbp_anonymous_name'] : false,
'bbp_anonymous_email' => ! empty( $_POST['bbp_anonymous_email'] ) ? $_POST['bbp_anonymous_email'] : false,
'bbp_anonymous_website' => ! empty( $_POST['bbp_anonymous_website'] ) ? $_POST['bbp_anonymous_website'] : false,
), 'filter_anonymous_post_data' );
// Strip invalid characters
$r = bbp_sanitize_anonymous_post_author( $r );
// Filter name
$r['bbp_anonymous_name'] = apply_filters( 'bbp_pre_anonymous_post_author_name', $r['bbp_anonymous_name'] );
if ( empty( $r['bbp_anonymous_name'] ) ) {
bbp_add_error( 'bbp_anonymous_name', __( '<strong>Error</strong>: Invalid author name.', 'bbpress' ) );
}
// Filter email address
$r['bbp_anonymous_email'] = apply_filters( 'bbp_pre_anonymous_post_author_email', $r['bbp_anonymous_email'] );
if ( empty( $r['bbp_anonymous_email'] ) ) {
bbp_add_error( 'bbp_anonymous_email', __( '<strong>Error</strong>: Invalid email address.', 'bbpress' ) );
}
// Website is optional (can be empty)
$r['bbp_anonymous_website'] = apply_filters( 'bbp_pre_anonymous_post_author_website', $r['bbp_anonymous_website'] );
// Filter & return
return (array) apply_filters( 'bbp_filter_anonymous_post_data', $r, $args );
}
/**
* Sanitize an array of anonymous post author data
*
* @since 2.6.0 bbPress (r6400)
*
* @param array $anonymous_data
* @return array
*/
function bbp_sanitize_anonymous_post_author( $anonymous_data = array() ) {
// Make sure anonymous data is an array
if ( ! is_array( $anonymous_data ) ) {
$anonymous_data = array();
}
// Map meta data to comment fields (as guides for stripping invalid text)
$fields = array(
'bbp_anonymous_name' => 'comment_author',
'bbp_anonymous_email' => 'comment_author_email',
'bbp_anonymous_website' => 'comment_author_url'
);
// Setup a new return array
$r = $anonymous_data;
// Get the database
$bbp_db = bbp_db();
// Strip invalid text from fields
foreach ( $fields as $bbp_field => $comment_field ) {
if ( ! empty( $r[ $bbp_field ] ) ) {
$r[ $bbp_field ] = $bbp_db->strip_invalid_text_for_column( $bbp_db->comments, $comment_field, $r[ $bbp_field ] );
}
}
// Filter & return
return (array) apply_filters( 'bbp_sanitize_anonymous_post_author', $r, $anonymous_data );
}
/**
* Update the relevant meta-data for an anonymous post author
*
* @since 2.6.0 bbPress (r6400)
*
* @param int $post_id
* @param array $anonymous_data
* @param string $post_type
*/
function bbp_update_anonymous_post_author( $post_id = 0, $anonymous_data = array(), $post_type = '' ) {
// Maybe look for anonymous
if ( empty( $anonymous_data ) ) {
$anonymous_data = bbp_filter_anonymous_post_data();
}
// Sanitize parameters
$post_id = (int) $post_id;
$post_type = sanitize_key( $post_type );
// Bail if missing required data
if ( empty( $post_id ) || empty( $post_type ) || empty( $anonymous_data ) ) {
return;
}
// Parse arguments against default values
$r = bbp_parse_args( $anonymous_data, array(
'bbp_anonymous_name' => '',
'bbp_anonymous_email' => '',
'bbp_anonymous_website' => '',
), "update_{$post_type}" );
// Update all anonymous metas
foreach ( $r as $anon_key => $anon_value ) {
// Update, or delete if empty
! empty( $anon_value )
? update_post_meta( $post_id, '_' . $anon_key, (string) $anon_value, false )
: delete_post_meta( $post_id, '_' . $anon_key );
}
}
/**
* Check for duplicate topics/replies
*
* Check to make sure that a user is not making a duplicate post
*
* @since 2.0.0 bbPress (r2763)
*
* @param array $post_data Contains information about the comment
* @return bool True if it is not a duplicate, false if it is
*/
function bbp_check_for_duplicate( $post_data = array() ) {
// Parse arguments against default values
$r = bbp_parse_args( $post_data, array(
'post_author' => 0,
'post_type' => array( bbp_get_topic_post_type(), bbp_get_reply_post_type() ),
'post_parent' => 0,
'post_content' => '',
'post_status' => bbp_get_trash_status_id(),
'anonymous_data' => array()
), 'check_for_duplicate' );
// No duplicate checks for those who can throttle
if ( user_can( (int) $r['post_author'], 'throttle' ) ) {
return true;
}
// Get the DB
$bbp_db = bbp_db();
// Default clauses
$join = $where = '';
// Check for anonymous post
if ( empty( $r['post_author'] ) && ( ! empty( $r['anonymous_data'] ) && ! empty( $r['anonymous_data']['bbp_anonymous_email'] ) ) ) {
// Sanitize the email address for querying
$email = sanitize_email( $r['anonymous_data']['bbp_anonymous_email'] );
// Only proceed
if ( ! empty( $email ) && is_email( $email ) ) {
// Get the meta SQL
$clauses = get_meta_sql( array( array(
'key' => '_bbp_anonymous_email',
'value' => $email,
) ), 'post', $bbp_db->posts, 'ID' );
// Set clauses
$join = $clauses['join'];
// "'", "%", "$" and are valid characters in email addresses
$where = $bbp_db->remove_placeholder_escape( $clauses['where'] );
}
}
// Unslash $r to pass through DB->prepare()
//
// @see: https://bbpress.trac.wordpress.org/ticket/2185/
// @see: https://core.trac.wordpress.org/changeset/23973/
$r = wp_unslash( $r );
// Prepare duplicate check query
$query = "SELECT ID FROM {$bbp_db->posts} {$join}";
$query .= $bbp_db->prepare( "WHERE post_type = %s AND post_status != %s AND post_author = %d AND post_content = %s", $r['post_type'], $r['post_status'], $r['post_author'], $r['post_content'] );
$query .= ! empty( $r['post_parent'] )
? $bbp_db->prepare( " AND post_parent = %d", $r['post_parent'] )
: '';
$query .= $where;
$query .= " LIMIT 1";
$dupe = apply_filters( 'bbp_check_for_duplicate_query', $query, $r );
// Dupe found
if ( $bbp_db->get_var( $dupe ) ) {
do_action( 'bbp_check_for_duplicate_trigger', $post_data );
return false;
}
// Dupe not found
return true;
}
/**
* Check for flooding
*
* Check to make sure that a user is not making too many posts in a short amount
* of time.
*
* @since 2.0.0 bbPress (r2734)
*
* @param array $anonymous_data Optional - if it's an anonymous post. Do not
* supply if supplying $author_id. Should be
* sanitized (see {@link bbp_filter_anonymous_post_data()}
* @param int $author_id Optional. Supply if it's a post by a logged in user.
* Do not supply if supplying $anonymous_data.
* @return bool True if there is no flooding, false if there is
*/
function bbp_check_for_flood( $anonymous_data = array(), $author_id = 0 ) {
// Allow for flood check to be skipped
if ( apply_filters( 'bbp_bypass_check_for_flood', false, $anonymous_data, $author_id ) ) {
return true;
}
// Option disabled. No flood checks.
$throttle_time = get_option( '_bbp_throttle_time' );
if ( empty( $throttle_time ) || ! bbp_allow_content_throttle() ) {
return true;
}
// User is anonymous, so check a transient based on the IP
if ( ! empty( $anonymous_data ) ) {
$last_posted = get_transient( '_bbp_' . bbp_current_author_ip() . '_last_posted' );
if ( ! empty( $last_posted ) && ( time() < ( $last_posted + $throttle_time ) ) ) {
return false;
}
// User is logged in, so check their last posted time
} elseif ( ! empty( $author_id ) ) {
$author_id = (int) $author_id;
$last_posted = bbp_get_user_last_posted( $author_id );
if ( ! empty( $last_posted ) && ( time() < ( $last_posted + $throttle_time ) ) && ! user_can( $author_id, 'throttle' ) ) {
return false;
}
} else {
return false;
}
return true;
}
/**
* Checks topics and replies against the discussion moderation of blocked keys
*
* @since 2.1.0 bbPress (r3581)
*
* @param array $anonymous_data Optional - if it's an anonymous post. Do not
* supply if supplying $author_id. Should be
* sanitized (see {@link bbp_filter_anonymous_post_data()}
* @param int $author_id Topic or reply author ID
* @param string $title The title of the content
* @param string $content The content being posted
* @param mixed $strict False for moderation_keys. True for blacklist_keys.
* String for custom keys.
* @return bool True if test is passed, false if fail
*/
function bbp_check_for_moderation( $anonymous_data = array(), $author_id = 0, $title = '', $content = '', $strict = false ) {
// Custom moderation option key
if ( is_string( $strict ) ) {
$strict = sanitize_key( $strict );
// Use custom key
if ( ! empty( $strict ) ) {
$hook_name = $strict;
$option_name = "{$strict}_keys";
// Key was invalid, so default to moderation keys
} else {
$strict = false;
}
}
// Strict mode uses WordPress "blacklist" settings
if ( true === $strict ) {
$hook_name = 'blacklist';
$option_name = 'blacklist_keys';
// Non-strict uses WordPress "moderation" settings
} elseif ( false === $strict ) {
$hook_name = 'moderation';
$option_name = 'moderation_keys';
}
// Allow for moderation check to be skipped
if ( apply_filters( "bbp_bypass_check_for_{$hook_name}", false, $anonymous_data, $author_id, $title, $content, $strict ) ) {
return true;
}
// Maybe perform some author-specific capability checks
if ( ! empty( $author_id ) ) {
// Bail if user is a keymaster
if ( bbp_is_user_keymaster( $author_id ) ) {
return true;
// Bail if user can moderate
// https://bbpress.trac.wordpress.org/ticket/2726
} elseif ( ( false === $strict ) && user_can( $author_id, 'moderate' ) ) {
return true;
}
}
// Define local variable(s)
$_post = array();
$match_out = '';
/** Max Links *************************************************************/
// Only check max_links when not being strict
if ( false === $strict ) {
$max_links = get_option( 'comment_max_links' );
if ( ! empty( $max_links ) ) {
// How many links?
$num_links = preg_match_all( '/(http|ftp|https):\/\//i', $content, $match_out );
// Allow for bumping the max to include the user's URL
if ( ! empty( $_post['url'] ) ) {
$num_links = apply_filters( 'comment_max_links_url', $num_links, $_post['url'], $content );
}
// Das ist zu viele links!
if ( $num_links >= $max_links ) {
return false;
}
}
}
/** Moderation ************************************************************/
/**
* Filters the bbPress moderation keys.
*
* @since 2.6.0 bbPress (r6050)
*
* @param string $moderation List of moderation keys. One per new line.
*/
$moderation = apply_filters( "bbp_{$hook_name}_keys", trim( get_option( $option_name ) ) );
// Bail if no words to look for
if ( empty( $moderation ) ) {
return true;
}
/** User Data *************************************************************/
// Map anonymous user data
if ( ! empty( $anonymous_data ) ) {
$_post['author'] = $anonymous_data['bbp_anonymous_name'];
$_post['email'] = $anonymous_data['bbp_anonymous_email'];
$_post['url'] = $anonymous_data['bbp_anonymous_website'];
// Map current user data
} elseif ( ! empty( $author_id ) ) {
// Get author data
$user = get_userdata( $author_id );
// If data exists, map it
if ( ! empty( $user ) ) {
$_post['author'] = $user->display_name;
$_post['email'] = $user->user_email;
$_post['url'] = $user->user_url;
}
}
// Current user IP and user agent
$_post['user_ip'] = bbp_current_author_ip();
$_post['user_ua'] = bbp_current_author_ua();
// Post title and content
$_post['title'] = $title;
$_post['content'] = $content;
// Ensure HTML tags are not being used to bypass the moderation list.
$_post['comment_without_html'] = wp_strip_all_tags( $content );
/** Words *****************************************************************/
// Get words separated by new lines
$words = explode( "\n", $moderation );
// Loop through words
foreach ( (array) $words as $word ) {
// Trim the whitespace from the 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}#i";
// Loop through post data
foreach ( $_post as $post_data ) {
// Check each user data for current word
if ( preg_match( $pattern, $post_data ) ) {
// Post does not pass
return false;
}
}
}
// Check passed successfully
return true;
}
/**
* Deprecated. Use bbp_check_for_moderation() with strict flag set.
*
* @since 2.0.0 bbPress (r3446)
* @since 2.6.0 bbPress (r6854)
* @deprecated 2.6.0 Use bbp_check_for_moderation() with strict flag set
*/
function bbp_check_for_blacklist( $anonymous_data = array(), $author_id = 0, $title = '', $content = '' ) {
return bbp_check_for_moderation( $anonymous_data, $author_id, $title, $content, true );
}
/** Subscriptions *************************************************************/
/**
* Get the "Do Not Reply" email address to use when sending subscription emails.
*
* We make some educated guesses here based on the home URL. Filters are
* available to customize this address further. In the future, we may consider
* using `admin_email` instead, though this is not normally publicized.
*
* We use `$_SERVER['SERVER_NAME']` here to mimic similar functionality in
* WordPress core. Previously, we used `get_home_url()` to use already validated
* user input, but it was causing issues in some installations.
*
* @since 2.6.0 bbPress (r5409)
*
* @see wp_mail
* @see wp_notify_postauthor
* @link https://bbpress.trac.wordpress.org/ticket/2618
*
* @return string
*/
function bbp_get_do_not_reply_address() {
$sitename = strtolower( $_SERVER['SERVER_NAME'] );
if ( substr( $sitename, 0, 4 ) === 'www.' ) {
$sitename = substr( $sitename, 4 );
}
// Filter & return
return apply_filters( 'bbp_get_do_not_reply_address', 'noreply@' . $sitename );
}
/**
* Sends notification emails for new replies to subscribed topics
*
* Gets new post ID and check if there are subscribed users to that topic, and
* if there are, send notifications
*
* Note: in bbPress 2.6, we've moved away from 1 email per subscriber to 1 email
* with everyone BCC'd. This may have negative repercussions for email services
* that limit the number of addresses in a BCC field (often to around 500.) In
* those cases, we recommend unhooking this function and creating your own
* custom email script.
*
* @since 2.6.0 bbPress (r5413)
*
* @param int $reply_id ID of the newly made reply
* @param int $topic_id ID of the topic of the reply
* @param int $forum_id ID of the forum of the reply
* @param array $anonymous_data Optional - if it's an anonymous post. Do not
* supply if supplying $author_id. Should be
* sanitized (see {@link bbp_filter_anonymous_post_data()}
* @param int $reply_author ID of the topic author ID
* @return bool True on success, false on failure
*/
function bbp_notify_topic_subscribers( $reply_id = 0, $topic_id = 0, $forum_id = 0, $anonymous_data = array(), $reply_author = 0 ) {
// Bail if subscriptions are turned off
if ( ! bbp_is_subscriptions_active() ) {
return false;
}
// Bail if importing
if ( defined( 'WP_IMPORTING' ) && WP_IMPORTING ) {
return false;
}
/** Validation ************************************************************/
$reply_id = bbp_get_reply_id( $reply_id );
$topic_id = bbp_get_topic_id( $topic_id );
$forum_id = bbp_get_forum_id( $forum_id );
/** Topic *****************************************************************/
// Bail if topic is not public (includes closed)
if ( ! bbp_is_topic_public( $topic_id ) ) {
return false;
}
/** Reply *****************************************************************/
// Bail if reply is not published
if ( ! bbp_is_reply_published( $reply_id ) ) {
return false;
}
// Poster name
$reply_author_name = bbp_get_reply_author_display_name( $reply_id );
/** Users *****************************************************************/
// Get topic subscribers and bail if empty
$user_ids = bbp_get_subscribers( $topic_id );
// Remove the reply author from the list.
$reply_author_key = array_search( (int) $reply_author, $user_ids, true );
if ( false !== $reply_author_key ) {
unset( $user_ids[ $reply_author_key ] );
}
// Dedicated filter to manipulate user ID's to send emails to
$user_ids = (array) apply_filters( 'bbp_topic_subscription_user_ids', $user_ids, $reply_id, $topic_id );
// Bail of the reply author was the only one subscribed.
if ( empty( $user_ids ) ) {
return false;
}
// Get email addresses, bail if empty
$email_addresses = bbp_get_email_addresses_from_user_ids( $user_ids );
if ( empty( $email_addresses ) ) {
return false;
}
/** Mail ******************************************************************/
// Remove filters from reply content and topic title to prevent content
// from being encoded with HTML entities, wrapped in paragraph tags, etc...
bbp_remove_all_filters( 'bbp_get_reply_content' );
bbp_remove_all_filters( 'bbp_get_topic_title' );
bbp_remove_all_filters( 'the_title' );
// Strip tags from text and setup mail data
$blog_name = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
$topic_title = wp_specialchars_decode( strip_tags( bbp_get_topic_title( $topic_id ) ), ENT_QUOTES );
$reply_author_name = wp_specialchars_decode( strip_tags( $reply_author_name ), ENT_QUOTES );
$reply_content = wp_specialchars_decode( strip_tags( bbp_get_reply_content( $reply_id ) ), ENT_QUOTES );
$reply_url = bbp_get_reply_url( $reply_id );
// For plugins to filter messages per reply/topic/user
$message = sprintf( esc_html__( '%1$s wrote:
%2$s
Post Link: %3$s
-----------
You are receiving this email because you subscribed to a forum topic.
Login and visit the topic to unsubscribe from these emails.', 'bbpress' ),
$reply_author_name,
$reply_content,
$reply_url
);
$message = apply_filters( 'bbp_subscription_mail_message', $message, $reply_id, $topic_id );
if ( empty( $message ) ) {
return;
}
// For plugins to filter titles per reply/topic/user
$subject = apply_filters( 'bbp_subscription_mail_title', '[' . $blog_name . '] ' . $topic_title, $reply_id, $topic_id );
if ( empty( $subject ) ) {
return;
}
/** Headers ***************************************************************/
// Default bbPress X-header
$headers = array( bbp_get_email_header() );
// Get the noreply@ address
$no_reply = bbp_get_do_not_reply_address();
// Setup "From" email address
$from_email = apply_filters( 'bbp_subscription_from_email', $no_reply );
// Setup the From header
$headers[] = 'From: ' . get_bloginfo( 'name' ) . ' <' . $from_email . '>';
// Loop through addresses
foreach ( (array) $email_addresses as $address ) {
$headers[] = 'Bcc: ' . $address;
}
/** Send it ***************************************************************/
// Custom headers
$headers = apply_filters( 'bbp_subscription_mail_headers', $headers );
$to_email = apply_filters( 'bbp_subscription_to_email', $no_reply );
// Before
do_action( 'bbp_pre_notify_subscribers', $reply_id, $topic_id, $user_ids );
// Send notification email
wp_mail( $to_email, $subject, $message, $headers );
// After
do_action( 'bbp_post_notify_subscribers', $reply_id, $topic_id, $user_ids );
// Restore previously removed filters
bbp_restore_all_filters( 'bbp_get_topic_content' );
bbp_restore_all_filters( 'bbp_get_topic_title' );
bbp_restore_all_filters( 'the_title' );
return true;
}
/**
* Sends notification emails for new topics to subscribed forums
*
* Gets new post ID and check if there are subscribed users to that forum, and
* if there are, send notifications
*
* Note: in bbPress 2.6, we've moved away from 1 email per subscriber to 1 email
* with everyone BCC'd. This may have negative repercussions for email services
* that limit the number of addresses in a BCC field (often to around 500.) In
* those cases, we recommend unhooking this function and creating your own
* custom email script.
*
* @since 2.5.0 bbPress (r5156)
*
* @param int $topic_id ID of the newly made reply
* @param int $forum_id ID of the forum for the topic
* @param array $anonymous_data Optional - if it's an anonymous post. Do not
* supply if supplying $author_id. Should be
* sanitized (see {@link bbp_filter_anonymous_post_data()}
* @param int $topic_author ID of the topic author ID
* @return bool True on success, false on failure
*/
function bbp_notify_forum_subscribers( $topic_id = 0, $forum_id = 0, $anonymous_data = array(), $topic_author = 0 ) {
// Bail if subscriptions are turned off
if ( ! bbp_is_subscriptions_active() ) {
return false;
}
// Bail if importing
if ( defined( 'WP_IMPORTING' ) && WP_IMPORTING ) {
return false;
}
/** Validation ************************************************************/
$topic_id = bbp_get_topic_id( $topic_id );
$forum_id = bbp_get_forum_id( $forum_id );
/**
* Necessary for backwards compatibility
*
* @see https://bbpress.trac.wordpress.org/ticket/2620
*/
$user_id = 0;
/** Topic *****************************************************************/
// Bail if topic is not public (includes closed)
if ( ! bbp_is_topic_public( $topic_id ) ) {
return false;
}
// Poster name
$topic_author_name = bbp_get_topic_author_display_name( $topic_id );
/** Users *****************************************************************/
// Get topic subscribers and bail if empty
$user_ids = bbp_get_subscribers( $forum_id );
// Remove the topic author from the list.
$topic_author_key = array_search( (int) $topic_author, $user_ids, true );
if ( false !== $topic_author_key ) {
unset( $user_ids[ $topic_author_key ] );
}
// Dedicated filter to manipulate user ID's to send emails to
$user_ids = (array) apply_filters( 'bbp_forum_subscription_user_ids', $user_ids, $topic_id, $forum_id );
// Bail of the reply author was the only one subscribed.
if ( empty( $user_ids ) ) {
return false;
}
// Get email addresses, bail if empty
$email_addresses = bbp_get_email_addresses_from_user_ids( $user_ids );
if ( empty( $email_addresses ) ) {
return false;
}
/** Mail ******************************************************************/
// Remove filters from reply content and topic title to prevent content
// from being encoded with HTML entities, wrapped in paragraph tags, etc...
bbp_remove_all_filters( 'bbp_get_topic_content' );
bbp_remove_all_filters( 'bbp_get_topic_title' );
bbp_remove_all_filters( 'the_title' );
// Strip tags from text and setup mail data
$blog_name = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
$topic_title = wp_specialchars_decode( strip_tags( bbp_get_topic_title( $topic_id ) ), ENT_QUOTES );
$topic_author_name = wp_specialchars_decode( strip_tags( $topic_author_name ), ENT_QUOTES );
$topic_content = wp_specialchars_decode( strip_tags( bbp_get_topic_content( $topic_id ) ), ENT_QUOTES );
$topic_url = get_permalink( $topic_id );
// For plugins to filter messages per reply/topic/user
$message = sprintf( esc_html__( '%1$s wrote:
%2$s
Topic Link: %3$s
-----------
You are receiving this email because you subscribed to a forum.
Login and visit the topic to unsubscribe from these emails.', 'bbpress' ),
$topic_author_name,
$topic_content,
$topic_url
);
$message = apply_filters( 'bbp_forum_subscription_mail_message', $message, $topic_id, $forum_id, $user_id );
if ( empty( $message ) ) {
return;
}
// For plugins to filter titles per reply/topic/user
$subject = apply_filters( 'bbp_forum_subscription_mail_title', '[' . $blog_name . '] ' . $topic_title, $topic_id, $forum_id, $user_id );
if ( empty( $subject ) ) {
return;
}
/** Headers ***************************************************************/
// Default bbPress X-header
$headers = array( bbp_get_email_header() );
// Get the noreply@ address
$no_reply = bbp_get_do_not_reply_address();
// Setup "From" email address
$from_email = apply_filters( 'bbp_subscription_from_email', $no_reply );
// Setup the From header
$headers[] = 'From: ' . get_bloginfo( 'name' ) . ' <' . $from_email . '>';
// Loop through addresses
foreach ( (array) $email_addresses as $address ) {
$headers[] = 'Bcc: ' . $address;
}
/** Send it ***************************************************************/
// Custom headers
$headers = apply_filters( 'bbp_subscription_mail_headers', $headers );
$to_email = apply_filters( 'bbp_subscription_to_email', $no_reply );
// Before
do_action( 'bbp_pre_notify_forum_subscribers', $topic_id, $forum_id, $user_ids );
// Send notification email
wp_mail( $to_email, $subject, $message, $headers );
// After
do_action( 'bbp_post_notify_forum_subscribers', $topic_id, $forum_id, $user_ids );
// Restore previously removed filters
bbp_restore_all_filters( 'bbp_get_topic_content' );
bbp_restore_all_filters( 'bbp_get_topic_title' );
bbp_restore_all_filters( 'the_title' );
return true;
}
/**
* Sends notification emails for new replies to subscribed topics
*
* This function is deprecated. Please use: bbp_notify_topic_subscribers()
*
* @since 2.0.0 bbPress (r2668)
*
* @deprecated 2.6.0 bbPress (r5412)
*
* @param int $reply_id ID of the newly made reply
* @param int $topic_id ID of the topic of the reply
* @param int $forum_id ID of the forum of the reply
* @param array $anonymous_data Optional - if it's an anonymous post. Do not
* supply if supplying $author_id. Should be
* sanitized (see {@link bbp_filter_anonymous_post_data()}
* @param int $reply_author ID of the topic author ID
*
* @return bool True on success, false on failure
*/
function bbp_notify_subscribers( $reply_id = 0, $topic_id = 0, $forum_id = 0, $anonymous_data = array(), $reply_author = 0 ) {
return bbp_notify_topic_subscribers( $reply_id, $topic_id, $forum_id, $anonymous_data, $reply_author );
}
/**
* Return an array of user email addresses from an array of user IDs
*
* @since 2.6.0 bbPress (r6722)
*
* @param array $user_ids
* @return array
*/
function bbp_get_email_addresses_from_user_ids( $user_ids = array() ) {
// Default return value
$retval = array();
// Maximum number of users to get per database query
$limit = apply_filters( 'bbp_get_users_chunk_limit', 100 );
// Only do the work if there are user IDs to query for
if ( ! empty( $user_ids ) ) {
// Get total number of sets
$steps = ceil( count( $user_ids ) / $limit );
$range = array_map( 'intval', range( 1, $steps ) );
// Loop through users
foreach ( $range as $loop ) {
// Initial loop has no offset
$offset = $limit * ( $loop - 1 );
// Calculate user IDs to include
$loop_ids = array_slice( $user_ids, $offset, $limit );
// Skip if something went wrong
if ( empty( $loop_ids ) ) {
continue;
}
// Call get_users() in a way that users are cached
$loop_users = get_users( array(
'blog_id' => 0,
'fields' => 'all_with_meta',
'include' => $loop_ids
) );
// Pluck emails from users
$loop_emails = wp_list_pluck( $loop_users, 'user_email' );
// Clean-up memory, for big user sets
unset( $loop_users );
// Merge users into return value
if ( ! empty( $loop_emails ) ) {
$retval = array_merge( $retval, $loop_emails );
}
}
// No duplicates
$retval = bbp_get_unique_array_values( $retval );
}
// Filter & return
return apply_filters( 'bbp_get_email_addresses_from_user_ids', $retval, $user_ids, $limit );
}
/**
* Automatically splits bbPress emails with many Bcc recipients into chunks.
*
* This middleware is useful because topics and forums with many subscribers
* run into problems with Bcc limits, and many hosting companies & third-party
* services limit the size of a Bcc audience to prevent spamming.
*
* The default "chunk" size is 40 users per iteration, and can be filtered if
* desired. A future version of bbPress will introduce a setting to more easily
* tune this.
*
* @since 2.6.0 bbPress (r6918)
*
* @param array $args Original arguments passed to wp_mail().
* @return array
*/
function bbp_chunk_emails( $args = array() ) {
// Get the maximum number of Bcc's per chunk
$max_num = apply_filters( 'bbp_get_bcc_chunk_limit', 40, $args );
// Look for "bcc: " in a case-insensitive way, and split into 2 sets
$match = '/^bcc: (\w+)/i';
$old_headers = preg_grep( $match, $args['headers'], PREG_GREP_INVERT );
$bcc_headers = preg_grep( $match, $args['headers'] );
// Bail if less than $max_num recipients
if ( empty( $bcc_headers ) || ( count( $bcc_headers ) < $max_num ) ) {
return $args;
}
// Reindex the headers arrays
$old_headers = array_values( $old_headers );
$bcc_headers = array_values( $bcc_headers );
// Break the Bcc emails into chunks
foreach ( array_chunk( $bcc_headers, $max_num ) as $i => $chunk ) {
// Skip the first chunk (it will get used in the original wp_mail() call)
if ( 0 === $i ) {
$first_chunk = $chunk;
continue;
}
// Send out the chunk
$chunk_headers = array_merge( $old_headers, $chunk );
// Recursion alert, but should be OK!
wp_mail(
$args['to'],
$args['subject'],
$args['message'],
$chunk_headers,
$args['attachments']
);
}
// Set headers to old headers + the $first_chunk of Bcc's
$args['headers'] = array_merge( $old_headers, $first_chunk );
// Return the reduced args, with the first chunk of Bcc's
return $args;
}
/**
* Return the string used for the bbPress specific X-header.
*
* @since 2.6.0 bbPress (r6919)
*
* @return string
*/
function bbp_get_email_header() {
return apply_filters( 'bbp_get_email_header', 'X-bbPress: ' . bbp_get_version() );
}
/** Login *********************************************************************/
/**
* Return a clean and reliable logout URL
*
* This function is used to filter `logout_url`. If no $redirect_to value is
* passed, it will default to the request uri, then the forum root.
*
* See: `wp_logout_url()`
*
* @since 2.1.0 bbPress (2815)
*
* @param string $url URL used to log out
* @param string $redirect_to Where to redirect to?
*
* @return string The url
*/
function bbp_logout_url( $url = '', $redirect_to = '' ) {
// If there is no redirect in the URL, let's add one...
if ( ! strstr( $url, 'redirect_to' ) ) {
// Get the forum root, to maybe use as a default
$forum_root = bbp_get_root_url();
// No redirect passed, so check referer and fallback to request uri
if ( empty( $redirect_to ) ) {
// Check for a valid referer
$redirect_to = wp_get_referer();
// Fallback to request uri if invalid referer
if ( false === $redirect_to ) {
$redirect_to = bbp_get_url_scheme() . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
}
}
// Filter the $redirect_to destination
$filtered = apply_filters( 'bbp_logout_url_redirect_to', $redirect_to );
// Validate $redirect_to, default to root
$validated = wp_validate_redirect( $filtered, $forum_root );
// Assemble $redirect_to and add it (encoded) to full $url
$appended = add_query_arg( array( 'loggedout' => 'true' ), $validated );
$encoded = urlencode( $appended );
$url = add_query_arg( array( 'redirect_to' => $encoded ), $url );
}
// Filter & return
return apply_filters( 'bbp_logout_url', $url, $redirect_to );
}
/** Queries *******************************************************************/
/**
* Merge user defined arguments into defaults array.
*
* This function is used throughout bbPress to allow for either a string or array
* to be merged into another array. It is identical to wp_parse_args() except
* it allows for arguments to be passively or aggressively filtered using the
* optional $filter_key parameter.
*
* @since 2.1.0 bbPress (r3839)
*
* @param string|array $args Value to merge with $defaults
* @param array $defaults Array that serves as the defaults.
* @param string $filter_key String to key the filters from
* @return array Merged user defined values with defaults.
*/
function bbp_parse_args( $args, $defaults = array(), $filter_key = '' ) {
// Setup a temporary array from $args
if ( is_object( $args ) ) {
$r = get_object_vars( $args );
} elseif ( is_array( $args ) ) {
$r =& $args;
} else {
wp_parse_str( $args, $r );
}
// Passively filter the args before the parse
if ( ! empty( $filter_key ) ) {
$r = apply_filters( "bbp_before_{$filter_key}_parse_args", $r, $args, $defaults );
}
// Parse
if ( is_array( $defaults ) && ! empty( $defaults ) ) {
$r = array_merge( $defaults, $r );
}
// Aggressively filter the args after the parse
if ( ! empty( $filter_key ) ) {
$r = apply_filters( "bbp_after_{$filter_key}_parse_args", $r, $args, $defaults );
}
// Return the parsed results
return $r;
}
/**
* Adds ability to include or exclude specific post_parent ID's
*
* @since 2.0.0 bbPress (r2996)
*
* @deprecated 2.5.8 bbPress (r5814)
*
* @global WP $wp
* @param string $where
* @param WP_Query $object
* @return string
*/
function bbp_query_post_parent__in( $where, $object = '' ) {
global $wp;
// Noop if WP core supports this already
if ( in_array( 'post_parent__in', $wp->private_query_vars, true ) ) {
return $where;
}
// Bail if no object passed
if ( empty( $object ) ) {
return $where;
}
// Only 1 post_parent so return $where
if ( is_numeric( $object->query_vars['post_parent'] ) ) {
return $where;
}
// Get the DB
$bbp_db = bbp_db();
// Including specific post_parent's
if ( ! empty( $object->query_vars['post_parent__in'] ) ) {
$ids = implode( ',', wp_parse_id_list( $object->query_vars['post_parent__in'] ) );
$where .= " AND {$bbp_db->posts}.post_parent IN ($ids)";
// Excluding specific post_parent's
} elseif ( ! empty( $object->query_vars['post_parent__not_in'] ) ) {
$ids = implode( ',', wp_parse_id_list( $object->query_vars['post_parent__not_in'] ) );
$where .= " AND {$bbp_db->posts}.post_parent NOT IN ($ids)";
}
// Return possibly modified $where
return $where;
}
/**
* Query the DB and get the last public post_id that has parent_id as post_parent
*
* @since 2.0.0 bbPress (r2868)
* @since 2.6.0 bbPress (r5954) Replace direct queries with WP_Query() objects
*
* @param int $parent_id Parent id.
* @param string $post_type Post type. Defaults to 'post'.
* @return int The last active post_id
*/
function bbp_get_public_child_last_id( $parent_id = 0, $post_type = 'post' ) {
// Bail if nothing passed
if ( empty( $parent_id ) ) {
return false;
}
// Which statuses
switch ( $post_type ) {
// Forum
case bbp_get_forum_post_type() :
$post_status = bbp_get_public_forum_statuses();
break;
// Topic
case bbp_get_topic_post_type() :
$post_status = bbp_get_public_topic_statuses();
break;
// Reply
case bbp_get_reply_post_type() :
default :
$post_status = bbp_get_public_reply_statuses();
break;
}
$query = new WP_Query( array(
'fields' => 'ids',
'post_parent' => $parent_id,
'post_status' => $post_status,
'post_type' => $post_type,
'posts_per_page' => 1,
'orderby' => array(
'post_date' => 'DESC',
'ID' => 'DESC'
),
// Performance
'suppress_filters' => true,
'update_post_term_cache' => false,
'update_post_meta_cache' => false,
'ignore_sticky_posts' => true,
'no_found_rows' => true
) );
$child_id = array_shift( $query->posts );
unset( $query );
// Filter & return
return (int) apply_filters( 'bbp_get_public_child_last_id', $child_id, $parent_id, $post_type );
}
/**
* Query the database for child counts, grouped by type & status
*
* @since 2.6.0 bbPress (r6826)
*
* @param int $parent_id
*/
function bbp_get_child_counts( $parent_id = 0 ) {
// Create cache key
$parent_id = absint( $parent_id );
$key = md5( serialize( array( 'parent_id' => $parent_id, 'post_type' => bbp_get_post_types() ) ) );
$last_changed = wp_cache_get_last_changed( 'bbpress_posts' );
$cache_key = "bbp_child_counts:{$key}:{$last_changed}";
// Check for cache and set if needed
$retval = wp_cache_get( $cache_key, 'bbpress_posts' );
if ( false === $retval ) {
// Setup the DB & query
$bbp_db = bbp_db();
$sql = "SELECT
p.post_type AS type,
p.post_status AS status,
COUNT( * ) AS count
FROM {$bbp_db->posts} AS p
LEFT JOIN {$bbp_db->postmeta} AS pm
ON p.ID = pm.post_id
AND pm.meta_key = %s
WHERE pm.meta_value = %s
GROUP BY p.post_status, p.post_type";
// Get prepare vars
$post_type = get_post_type( $parent_id );
$meta_key = "_bbp_{$post_type}_id";
// Prepare & get results
$query = $bbp_db->prepare( $sql, $meta_key, $parent_id );
$results = $bbp_db->get_results( $query, ARRAY_A );
// Setup return value
$retval = wp_list_pluck( $results, 'type', 'type' );
$statuses = get_post_stati();
// Loop through results
foreach ( $results as $row ) {
// Setup empties
if ( ! is_array( $retval[ $row['type'] ] ) ) {
$retval[ $row['type'] ] = array_fill_keys( $statuses, 0 );
}
// Set statuses
$retval[ $row['type'] ][ $row['status'] ] = bbp_number_not_negative( $row['count'] );
}
// Always cache the results
wp_cache_set( $cache_key, $retval, 'bbpress_posts' );
}
// Make sure results are INTs
return (array) apply_filters( 'bbp_get_child_counts', $retval, $parent_id );
}
/**
* Filter a list of child counts, from `bbp_get_child_counts()`
*
* @since 2.6.0 bbPress (r6826)
*
* @param int $parent_id ID of post to get child counts from
* @param array $types Optional. An array of post types to filter by
* @param array $statuses Optional. An array of post statuses to filter by
*
* @return array A list of objects or object fields.
*/
function bbp_filter_child_counts_list( $parent_id = 0, $types = array( 'post' ), $statuses = array() ) {
// Setup local vars
$retval = array();
$types = array_flip( (array) $types );
$statuses = array_flip( (array) $statuses );
$counts = bbp_get_child_counts( $parent_id );
// Loop through counts by type
foreach ( $counts as $type => $type_counts ) {
// Skip if not this type
if ( ! isset( $types[ $type ] ) ) {
continue;
}
// Maybe filter statuses
if ( ! empty( $statuses ) ) {
$type_counts = array_intersect_key( $type_counts, $statuses );
}
// Add type counts to return array
$retval[ $type ] = $type_counts;
}
// Filter & return
return (array) apply_filters( 'bbp_filter_child_counts_list', $retval, $parent_id, $types, $statuses );
}
/**
* Query the DB and get a count of public children
*
* @since 2.0.0 bbPress (r2868)
* @since 2.6.0 bbPress (r5954) Replace direct queries with WP_Query() objects
*
* @param int $parent_id Parent id.
* @param string $post_type Post type. Defaults to 'post'.
* @return int The number of children
*/
function bbp_get_public_child_count( $parent_id = 0, $post_type = 'post' ) {
// Bail if nothing passed
if ( empty( $post_type ) ) {
return false;
}
// Which statuses
switch ( $post_type ) {
// Forum
case bbp_get_forum_post_type() :
$post_status = bbp_get_public_forum_statuses();
break;
// Topic
case bbp_get_topic_post_type() :
$post_status = bbp_get_public_topic_statuses();
break;
// Reply
case bbp_get_reply_post_type() :
default :
$post_status = bbp_get_public_reply_statuses();
break;
}
// Get counts
$counts = bbp_filter_child_counts_list( $parent_id, $post_type, $post_status );
$child_count = isset( $counts[ $post_type ] )
? bbp_number_not_negative( array_sum( array_values( $counts[ $post_type ] ) ) )
: 0;
// Filter & return
return (int) apply_filters( 'bbp_get_public_child_count', $child_count, $parent_id, $post_type );
}
/**
* Query the DB and get a count of public children
*
* @since 2.0.0 bbPress (r2868)
* @since 2.6.0 bbPress (r5954) Replace direct queries with WP_Query() objects
*
* @param int $parent_id Parent id.
* @param string $post_type Post type. Defaults to 'post'.
* @return int The number of children
*/
function bbp_get_non_public_child_count( $parent_id = 0, $post_type = 'post' ) {
// Bail if nothing passed
if ( empty( $parent_id ) || empty( $post_type ) ) {
return false;
}
// Which statuses
switch ( $post_type ) {
// Forum
case bbp_get_forum_post_type() :
$post_status = bbp_get_non_public_forum_statuses();
break;
// Topic
case bbp_get_topic_post_type() :
$post_status = bbp_get_non_public_topic_statuses();
break;
// Reply
case bbp_get_reply_post_type() :
$post_status = bbp_get_non_public_reply_statuses();
break;
// Any
default :
$post_status = bbp_get_public_status_id();
break;
}
// Get counts
$counts = bbp_filter_child_counts_list( $parent_id, $post_type, $post_status );
$child_count = isset( $counts[ $post_type ] )
? bbp_number_not_negative( array_sum( array_values( $counts[ $post_type ] ) ) )
: 0;
// Filter & return
return (int) apply_filters( 'bbp_get_non_public_child_count', $child_count, $parent_id, $post_type );
}
/**
* Query the DB and get the child id's of public children
*
* @since 2.0.0 bbPress (r2868)
* @since 2.6.0 bbPress (r5954) Replace direct queries with WP_Query() objects
*
* @param int $parent_id Parent id.
* @param string $post_type Post type. Defaults to 'post'.
*
* @return array The array of children
*/
function bbp_get_public_child_ids( $parent_id = 0, $post_type = 'post' ) {
// Bail if nothing passed
if ( empty( $parent_id ) || empty( $post_type ) ) {
return array();
}
// Which statuses
switch ( $post_type ) {
// Forum
case bbp_get_forum_post_type() :
$post_status = bbp_get_public_forum_statuses();
break;
// Topic
case bbp_get_topic_post_type() :
$post_status = bbp_get_public_topic_statuses();
break;
// Reply
case bbp_get_reply_post_type() :
default :
$post_status = bbp_get_public_reply_statuses();
break;
}
$query = new WP_Query( array(
'fields' => 'ids',
'post_parent' => $parent_id,
'post_status' => $post_status,
'post_type' => $post_type,
'posts_per_page' => -1,
'orderby' => array(
'post_date' => 'DESC',
'ID' => 'DESC'
),
// Performance
'nopaging' => true,
'suppress_filters' => true,
'update_post_term_cache' => false,
'update_post_meta_cache' => false,
'ignore_sticky_posts' => true,
'no_found_rows' => true
) );
$child_ids = ! empty( $query->posts )
? $query->posts
: array();
unset( $query );
// Filter & return
return (array) apply_filters( 'bbp_get_public_child_ids', $child_ids, $parent_id, $post_type );
}
/**
* Query the DB and get the child id's of all children
*
* @since 2.0.0 bbPress (r3325)
*
* @param int $parent_id Parent id
* @param string $post_type Post type. Defaults to 'post'
*
* @return array The array of children
*/
function bbp_get_all_child_ids( $parent_id = 0, $post_type = 'post' ) {
// Bail if nothing passed
if ( empty( $parent_id ) || empty( $post_type ) ) {
return array();
}
// Make cache key
$not_in = array( 'draft', 'future' );
$key = md5( serialize( array(
'parent_id' => $parent_id,
'post_type' => $post_type,
'post_status' => $not_in
) ) );
// Check last changed
$last_changed = wp_cache_get_last_changed( 'bbpress_posts' );
$cache_key = "bbp_child_ids:{$key}:{$last_changed}";
// Check for cache and set if needed
$child_ids = wp_cache_get( $cache_key, 'bbpress_posts' );
// Not already cached
if ( false === $child_ids ) {
// Join post statuses to specifically exclude together
$post_status = "'" . implode( "', '", $not_in ) . "'";
$bbp_db = bbp_db();
// Note that we can't use WP_Query here thanks to post_status assumptions
$query = $bbp_db->prepare( "SELECT ID FROM {$bbp_db->posts} WHERE post_parent = %d AND post_status NOT IN ( {$post_status} ) AND post_type = %s ORDER BY ID DESC", $parent_id, $post_type );
$child_ids = (array) $bbp_db->get_col( $query );
// Always cache the results
wp_cache_set( $cache_key, $child_ids, 'bbpress_posts' );
}
// Make sure results are INTs
$child_ids = wp_parse_id_list( $child_ids );
// Filter & return
return (array) apply_filters( 'bbp_get_all_child_ids', $child_ids, $parent_id, $post_type );
}
/**
* Prime familial post caches.
*
* This function uses _prime_post_caches() to prepare the object cache for
* imminent requests to post objects that aren't naturally cached by the primary
* WP_Query calls themselves. Post author caches are also primed.
*
* This is triggered when a `update_post_family_cache` argument is set to true.
*
* Also see: bbp_update_post_author_caches()
*
* @since 2.6.0 bbPress (r6699)
*
* @param array $objects Array of objects, fresh from a query
*
* @return bool True if some IDs were cached
*/
function bbp_update_post_family_caches( $objects = array() ) {
// Bail if no posts
if ( empty( $objects ) ) {
return false;
}
// Default value
$post_ids = array();
// Filter the types of IDs to prime
$ids = apply_filters( 'bbp_update_post_family_caches', array(
'_bbp_last_active_id',
'_bbp_last_reply_id',
'_bbp_last_topic_id',
'_bbp_reply_to'
), $objects );
// Get the last active IDs
foreach ( $objects as $object ) {
$object = get_post( $object );
// Skip if post ID is empty.
if ( empty( $object->ID ) ) {
continue;
}
// Meta IDs
foreach ( $ids as $key ) {
$post_ids[] = get_post_meta( $object->ID, $key, true );
}
// This post ID is already cached, but the post author may not be
$post_ids[] = $object->ID;
}
// Unique, non-zero values
$post_ids = bbp_get_unique_array_values( $post_ids );
// Bail if no IDs to prime
if ( empty( $post_ids ) ) {
return false;
}
// Prime post caches
_prime_post_caches( $post_ids, true, true );
// Prime post author caches
bbp_update_post_author_caches( $post_ids );
// Return
return true;
}
/**
* Prime post author caches.
*
* This function uses cache_users() to prepare the object cache for
* imminent requests to user objects that aren't naturally cached by the primary
* WP_Query calls themselves.
*
* This is triggered when a `update_post_author_cache` argument is set to true.
*
* @since 2.6.0 bbPress (r6699)
*
* @param array $objects Array of objects, fresh from a query
*
* @return bool True if some IDs were cached
*/
function bbp_update_post_author_caches( $objects = array() ) {
// Bail if no posts
if ( empty( $objects ) ) {
return false;
}
// Default value
$user_ids = array();
// Get the user IDs (could use wp_list_pluck() if this is ever a bottleneck)
foreach ( $objects as $object ) {
$object = get_post( $object );
// Skip if post does not have an author ID.
if ( empty( $object->post_author ) ) {
continue;
}
// If post exists, add post author to the array.
$user_ids[] = (int) $object->post_author;
}
// Unique, non-zero values
$user_ids = bbp_get_unique_array_values( $user_ids );
// Bail if no IDs to prime
if ( empty( $user_ids ) ) {
return false;
}
// Try to prime user caches
cache_users( $user_ids );
// Return
return true;
}
/** Globals *******************************************************************/
/**
* Get the unfiltered value of a global $post's key
*
* Used most frequently when editing a forum/topic/reply
*
* @since 2.1.0 bbPress (r3694)
*
* @param string $field Name of the key
* @param string $context How to sanitize - raw|edit|db|display|attribute|js
* @return string Field value
*/
function bbp_get_global_post_field( $field = 'ID', $context = 'edit' ) {
// Get the post, and maybe get a field from it
$post = get_post();
$retval = isset( $post->{$field} )
? sanitize_post_field( $field, $post->{$field}, $post->ID, $context )
: '';
// Filter & return
return apply_filters( 'bbp_get_global_post_field', $retval, $post, $field, $context );
}
/** Nonces ********************************************************************/
/**
* Makes sure the user requested an action from another page on this site.
*
* To avoid security exploits within the theme.
*
* @since 2.1.0 bbPress (r4022)
*
* @param string $action Action nonce
* @param string $query_arg where to look for nonce in $_REQUEST
*/
function bbp_verify_nonce_request( $action = '', $query_arg = '_wpnonce' ) {
/** Home URL **************************************************************/
// Parse home_url() into pieces to remove query-strings, strange characters,
// and other funny things that plugins might to do to it.
$parsed_home = parse_url( home_url( '/', ( is_ssl() ? 'https' : 'http' ) ) );
// Maybe include the port, if it's included
if ( isset( $parsed_home['port'] ) ) {
$parsed_host = $parsed_home['host'] . ':' . $parsed_home['port'];
} else {
$parsed_host = $parsed_home['host'];
}
// Set the home URL for use in comparisons
$home_url = trim( strtolower( $parsed_home['scheme'] . '://' . $parsed_host . $parsed_home['path'] ), '/' );
/** Requested URL *********************************************************/
// Maybe include the port, if it's included in home_url()
if ( isset( $parsed_home['port'] ) && false === strpos( $_SERVER['HTTP_HOST'], ':' ) ) {
$request_host = $_SERVER['HTTP_HOST'] . ':' . $_SERVER['SERVER_PORT'];
} else {
$request_host = $_SERVER['HTTP_HOST'];
}
// Build the currently requested URL
$scheme = bbp_get_url_scheme();
$requested_url = strtolower( $scheme . $request_host . $_SERVER['REQUEST_URI'] );
/** Look for match ********************************************************/
/**
* Filters the requested URL being nonce-verified.
*
* Useful for configurations like reverse proxying.
*
* @since 2.2.0 bbPress (r4361)
*
* @param string $requested_url The requested URL.
*/
$matched_url = apply_filters( 'bbp_verify_nonce_request_url', $requested_url );
// Check the nonce
$result = isset( $_REQUEST[ $query_arg ] )
? wp_verify_nonce( $_REQUEST[ $query_arg ], $action )
: false;
// Nonce check failed
if ( empty( $result ) || empty( $action ) || ( strpos( $matched_url, $home_url ) !== 0 ) ) {
$result = false;
}
/**
* Fires at the end of the nonce verification check.
*
* @since 2.1.0 bbPress (r4023)
*
* @param string $action Action nonce.
* @param bool $result Boolean result of nonce verification.
*/
do_action( 'bbp_verify_nonce_request', $action, $result );
return $result;
}
/** Feeds *********************************************************************/
/**
* This function is hooked into the WordPress 'request' action and is
* responsible for sniffing out the query vars and serving up RSS2 feeds if
* the stars align and the user has requested a feed of any bbPress type.
*
* @since 2.0.0 bbPress (r3171)
*
* @param array $query_vars
* @return array
*/
function bbp_request_feed_trap( $query_vars = array() ) {
// Looking at a feed
if ( isset( $query_vars['feed'] ) ) {
// Forum/Topic/Reply Feed
if ( isset( $query_vars['post_type'] ) ) {
// Matched post type
$post_type = false;
// Post types to check
$post_types = array(
bbp_get_forum_post_type(),
bbp_get_topic_post_type(),
bbp_get_reply_post_type()
);
// Cast query vars as array outside of foreach loop
$qv_array = (array) $query_vars['post_type'];
// Check if this query is for a bbPress post type
foreach ( $post_types as $bbp_pt ) {
if ( in_array( $bbp_pt, $qv_array, true ) ) {
$post_type = $bbp_pt;
break;
}
}
// Looking at a bbPress post type
if ( ! empty( $post_type ) ) {
// Supported select query vars
$select_query_vars = array(
'p' => false,
'name' => false,
$post_type => false,
);
// Setup matched variables to select
foreach ( $query_vars as $key => $value ) {
if ( isset( $select_query_vars[ $key ] ) ) {
$select_query_vars[ $key ] = $value;
}
}
// Remove any empties
$select_query_vars = array_filter( $select_query_vars );
// What bbPress post type are we looking for feeds on?
switch ( $post_type ) {
// Forum
case bbp_get_forum_post_type() :
// Define local variable(s)
$meta_query = array();
// Single forum
if ( ! empty( $select_query_vars ) ) {
// Load up our own query
query_posts( array_merge( array(
'post_type' => bbp_get_forum_post_type(),
'feed' => true
), $select_query_vars ) );
// Restrict to specific forum ID
$meta_query = array( array(
'key' => '_bbp_forum_id',
'value' => bbp_get_forum_id(),
'type' => 'NUMERIC',
'compare' => '='
) );
}
// Only forum replies
if ( ! empty( $_GET['type'] ) && ( bbp_get_reply_post_type() === $_GET['type'] ) ) {
// The query
$the_query = array(
'author' => 0,
'feed' => true,
'post_type' => bbp_get_reply_post_type(),
'post_parent' => 'any',
'post_status' => bbp_get_public_reply_statuses(),
'posts_per_page' => bbp_get_replies_per_rss_page(),
'order' => 'DESC',
'meta_query' => $meta_query
);
// Output the feed
bbp_display_replies_feed_rss2( $the_query );
// Only forum topics
} elseif ( ! empty( $_GET['type'] ) && ( bbp_get_topic_post_type() === $_GET['type'] ) ) {
// The query
$the_query = array(
'author' => 0,
'feed' => true,
'post_type' => bbp_get_topic_post_type(),
'post_parent' => bbp_get_forum_id(),
'post_status' => bbp_get_public_topic_statuses(),
'posts_per_page' => bbp_get_topics_per_rss_page(),
'order' => 'DESC'
);
// Output the feed
bbp_display_topics_feed_rss2( $the_query );
// All forum topics and replies
} else {
// Exclude private/hidden forums if not looking at single
if ( empty( $select_query_vars ) ) {
$meta_query = array( bbp_exclude_forum_ids( 'meta_query' ) );
}
// The query
$the_query = array(
'author' => 0,
'feed' => true,
'post_type' => array( bbp_get_reply_post_type(), bbp_get_topic_post_type() ),
'post_parent' => 'any',
'post_status' => bbp_get_public_topic_statuses(),
'posts_per_page' => bbp_get_replies_per_rss_page(),
'order' => 'DESC',
'meta_query' => $meta_query
);
// Output the feed
bbp_display_replies_feed_rss2( $the_query );
}
break;
// Topic feed - Show replies
case bbp_get_topic_post_type() :
// Single topic
if ( ! empty( $select_query_vars ) ) {
// Load up our own query
query_posts( array_merge( array(
'post_type' => bbp_get_topic_post_type(),
'feed' => true
), $select_query_vars ) );
// Output the feed
bbp_display_replies_feed_rss2( array( 'feed' => true ) );
// All topics
} else {
// The query
$the_query = array(
'author' => 0,
'feed' => true,
'post_parent' => 'any',
'posts_per_page' => bbp_get_topics_per_rss_page(),
'show_stickies' => false
);
// Output the feed
bbp_display_topics_feed_rss2( $the_query );
}
break;
// Replies
case bbp_get_reply_post_type() :
// The query
$the_query = array(
'posts_per_page' => bbp_get_replies_per_rss_page(),
'meta_query' => array( array( ) ),
'feed' => true
);
// All replies
if ( empty( $select_query_vars ) ) {
bbp_display_replies_feed_rss2( $the_query );
}
break;
}
}
// Single Topic Vview
} elseif ( isset( $query_vars[ bbp_get_view_rewrite_id() ] ) ) {
// Get the view
$view = $query_vars[ bbp_get_view_rewrite_id() ];
// We have a view to display a feed
if ( ! empty( $view ) ) {
// Get the view query
$the_query = bbp_get_view_query_args( $view );
// Output the feed
bbp_display_topics_feed_rss2( $the_query );
}
}
// @todo User profile feeds
}
// No feed so continue on
return $query_vars;
}
/** Templates ******************************************************************/
/**
* Used to guess if page exists at requested path
*
* @since 2.0.0 bbPress (r3304)
*
* @param string $path
* @return mixed False if no page, Page object if true
*/
function bbp_get_page_by_path( $path = '' ) {
// Default to false
$retval = false;
// Path is not empty
if ( ! empty( $path ) ) {
// Pretty permalinks are on so path might exist
if ( get_option( 'permalink_structure' ) ) {
$retval = get_page_by_path( $path );
}
}
// Filter & return
return apply_filters( 'bbp_get_page_by_path', $retval, $path );
}
/**
* Sets the 404 status.
*
* Used primarily with topics/replies inside hidden forums.
*
* @since 2.0.0 bbPress (r3051)
* @since 2.6.0 bbPress (r6583) Use status_header() & nocache_headers()
*
* @param WP_Query $query The query being checked
*
* @return bool Always returns true
*/
function bbp_set_404( $query = null ) {
// Global fallback
if ( empty( $query ) ) {
$query = bbp_get_wp_query();
}
// Setup environment
$query->set_404();
// Setup request
status_header( 404 );
nocache_headers();
}
/**
* Sets the 200 status header.
*
* @since 2.6.0 bbPress (r6583)
*/
function bbp_set_200() {
status_header( 200 );
}
/**
* Maybe handle the default 404 handling for some bbPress conditions
*
* Some conditions (like private/hidden forums and edits) have their own checks
* on `bbp_template_redirect` and are not currently 404s.
*
* @since 2.6.0 bbPress (r6555)
*
* @param bool $override Whether to override the default handler
* @param WP_Query $wp_query The posts query being referenced
*
* @return bool False to leave alone, true to override
*/
function bbp_pre_handle_404( $override = false, $wp_query = false ) {
// Handle a bbPress 404 condition
if ( isset( $wp_query->bbp_is_404 ) ) {
// Either force a 404 when 200, or a 200 when 404
$override = ( true === $wp_query->bbp_is_404 )
? bbp_set_404( $wp_query )
: bbp_set_200();
}
// Return, maybe overridden
return $override;
}
/**
* Maybe pre-assign the posts that are returned from a WP_Query.
*
* This effectively short-circuits the default query for posts, which is
* currently only used to avoid calling the main query when it's not necessary.
*
* @since 2.6.0 bbPress (r6580)
*
* @param mixed $posts Default null. Array of posts (possibly empty)
* @param WP_Query $wp_query
*
* @return mixed Null if no override. Array if overridden.
*/
function bbp_posts_pre_query( $posts = null, $wp_query = false ) {
// Custom 404 handler is set, so set posts to empty array to avoid 2 queries
if ( ! empty( $wp_query->bbp_is_404 ) ) {
$posts = array();
}
// Return, maybe overridden
return $posts;
}
/**
* Get scheme for a URL based on is_ssl() results.
*
* @since 2.6.0 bbPress (r6759)
*
* @return string https:// if is_ssl(), otherwise http://
*/
function bbp_get_url_scheme() {
return is_ssl()
? 'https://'
: 'http://';
}
/** Titles ********************************************************************/
/**
* Is a title longer that the maximum title length?
*
* Uses mb_strlen() in `8bit` mode to treat strings as raw. This matches the
* behavior present in Comments, PHPMailer, RandomCompat, and others.
*
* @since 2.6.0 bbPress (r6783)
*
* @param string $title
* @return bool
*/
function bbp_is_title_too_long( $title = '' ) {
$max = bbp_get_title_max_length();
$len = mb_strlen( $title, '8bit' );
$result = ( $len > $max );
// Filter & return
return (bool) apply_filters( 'bbp_is_title_too_long', $result, $title, $max, $len );
}