forked from alex11/wordpress-plugins
/
bp-core-functions.php
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/
bp-core-functions.php
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<?php
/**
* BuddyPress Common Functions
*
* @package BuddyPress
* @subpackage Functions
*/
// Exit if accessed directly
if ( !defined( 'ABSPATH' ) ) exit;
/** Versions ******************************************************************/
/**
* Output the BuddyPress version
*
* @since BuddyPress (1.6)
* @uses bp_get_version() To get the BuddyPress version
*/
function bp_version() {
echo bp_get_version();
}
/**
* Return the BuddyPress version
*
* @since BuddyPress (1.6)
* @return string The BuddyPress version
*/
function bp_get_version() {
return buddypress()->version;
}
/**
* Output the BuddyPress database version
*
* @since BuddyPress (1.6)
* @uses bp_get_db_version() To get the BuddyPress version
*/
function bp_db_version() {
echo bp_get_db_version();
}
/**
* Return the BuddyPress database version
*
* @since BuddyPress (1.6)
* @return string The BuddyPress version
*/
function bp_get_db_version() {
return buddypress()->db_version;
}
/**
* Output the BuddyPress database version
*
* @since BuddyPress (1.6)
* @uses bp_get_db_version_raw() To get the current BuddyPress version
*/
function bp_db_version_raw() {
echo bp_get_db_version_raw();
}
/**
* Return the BuddyPress database version
*
* @since BuddyPress (1.6)
* @return string The BuddyPress version direct from the database
*/
function bp_get_db_version_raw() {
$bp = buddypress();
return !empty( $bp->db_version_raw ) ? $bp->db_version_raw : 0;
}
/** Functions *****************************************************************/
/**
* Allow filtering of database prefix. Intended for use in multinetwork installations.
*
* @global object $wpdb WordPress database object
* @return string Filtered database prefix
*/
function bp_core_get_table_prefix() {
global $wpdb;
return apply_filters( 'bp_core_get_table_prefix', $wpdb->base_prefix );
}
/**
* Format numbers the BuddyPress way
*
* @param int $number
* @param bool $decimals
* @return string
*/
function bp_core_number_format( $number, $decimals = false ) {
// Force number to 0 if needed
if ( empty( $number ) )
$number = 0;
return apply_filters( 'bp_core_number_format', number_format_i18n( $number, $decimals ), $number, $decimals );
}
/**
* A utility for parsing individual function arguments into an array.
*
* The purpose of this function is to help with backward compatibility in cases where
*
* function foo( $bar = 1, $baz = false, $barry = array(), $blip = false ) { // ...
*
* is deprecated in favor of
*
* function foo( $args = array() ) {
* $defaults = array(
* 'bar' => 1,
* 'arg2' => false,
* 'arg3' => array(),
* 'arg4' => false,
* );
* $r = wp_parse_args( $args, $defaults ); // ...
*
* The first argument, $old_args_keys, is an array that matches the parameter positions (keys) to
* the new $args keys (values):
*
* $old_args_keys = array(
* 0 => 'bar', // because $bar was the 0th parameter for foo()
* 1 => 'baz', // because $baz was the 1st parameter for foo()
* 2 => 'barry', // etc
* 3 => 'blip'
* );
*
* For the second argument, $func_args, you should just pass the value of func_get_args().
*
* @since BuddyPress (1.6)
* @param array $old_args_keys
* @param array $func_args
* @return array $new_args
*/
function bp_core_parse_args_array( $old_args_keys, $func_args ) {
$new_args = array();
foreach( $old_args_keys as $arg_num => $arg_key ) {
if ( isset( $func_args[$arg_num] ) ) {
$new_args[$arg_key] = $func_args[$arg_num];
}
}
return $new_args;
}
/**
* Sanitize an 'order' parameter for use in building SQL queries
*
* Strings like 'DESC', 'desc', ' desc' will be interpreted into 'DESC'.
* Everything else becomes 'ASC'.
*
* @since BuddyPress (1.8)
* @param string $order The 'order' string, as passed to the SQL constructor
* @return string The sanitized value 'DESC' or 'ASC'
*/
function bp_esc_sql_order( $order = '' ) {
$order = strtoupper( trim( $order ) );
return 'DESC' === $order ? 'DESC' : 'ASC';
}
/**
* Are we running username compatibility mode?
*
* @package BuddyPress
* @since BuddyPress (1.5)
*
* @uses apply_filters() Filter 'bp_is_username_compatibility_mode' to alter
* @return bool False when compatibility mode is disabled (default); true when enabled
* @todo Move to members component?
*/
function bp_is_username_compatibility_mode() {
return apply_filters( 'bp_is_username_compatibility_mode', defined( 'BP_ENABLE_USERNAME_COMPATIBILITY_MODE' ) && BP_ENABLE_USERNAME_COMPATIBILITY_MODE );
}
/**
* Should we use the WP Toolbar?
*
* The WP Toolbar, introduced in WP 3.1, is fully supported in BuddyPress as of BP 1.5.
* For BP 1.6, the WP Toolbar is the default.
*
* @return bool False when WP Toolbar support is disabled; true when enabled (default)
* @since BuddyPress (1.5)
* @uses apply_filters() Filter 'bp_use_wp_admin_bar' to alter
*/
function bp_use_wp_admin_bar() {
$use_admin_bar = true;
// Has the WP Toolbar constant been explicity set?
if ( defined( 'BP_USE_WP_ADMIN_BAR' ) && ! BP_USE_WP_ADMIN_BAR )
$use_admin_bar = false;
// Has the admin chosen to use the BuddyBar during an upgrade?
elseif ( (bool) bp_get_option( '_bp_force_buddybar', false ) )
$use_admin_bar = false;
return apply_filters( 'bp_use_wp_admin_bar', $use_admin_bar );
}
/** Directory *****************************************************************/
/**
* Fetches BP pages from the meta table, depending on setup
*
* @package BuddyPress Core
* @since BuddyPress (1.5)
*/
function bp_core_get_directory_page_ids() {
$page_ids = bp_get_option( 'bp-pages' );
// Ensure that empty indexes are unset. Should only matter in edge cases
if ( !empty( $page_ids ) && is_array( $page_ids ) ) {
foreach( (array) $page_ids as $component_name => $page_id ) {
if ( empty( $component_name ) || empty( $page_id ) ) {
unset( $page_ids[$component_name] );
}
}
}
return apply_filters( 'bp_core_get_directory_page_ids', $page_ids );
}
/**
* Stores BP pages in the meta table, depending on setup
*
* bp-pages data is stored in site_options (falls back to options on non-MS), in an array keyed by
* blog_id. This allows you to change your bp_get_root_blog_id() and go through the setup process again.
*
* @package BuddyPress Core
* @since BuddyPress (1.5)
*
* @param array $blog_page_ids The IDs of the WP pages corresponding to BP component directories
*/
function bp_core_update_directory_page_ids( $blog_page_ids ) {
bp_update_option( 'bp-pages', $blog_page_ids );
}
/**
* Get bp-pages names and slugs
*
* @package BuddyPress Core
* @since BuddyPress (1.5)
*
* @return object Page names, IDs, and slugs
*/
function bp_core_get_directory_pages() {
global $wpdb;
// Set pages as standard class
$pages = new stdClass;
// Get pages and IDs
$page_ids = bp_core_get_directory_page_ids();
if ( !empty( $page_ids ) ) {
// Always get page data from the root blog, except on multiblog mode, when it comes
// from the current blog
$posts_table_name = bp_is_multiblog_mode() ? $wpdb->posts : $wpdb->get_blog_prefix( bp_get_root_blog_id() ) . 'posts';
$page_ids_sql = implode( ',', wp_parse_id_list( $page_ids ) );
$page_names = $wpdb->get_results( "SELECT ID, post_name, post_parent, post_title FROM {$posts_table_name} WHERE ID IN ({$page_ids_sql}) AND post_status = 'publish' " );
foreach ( (array) $page_ids as $component_id => $page_id ) {
foreach ( (array) $page_names as $page_name ) {
if ( $page_name->ID == $page_id ) {
if ( !isset( $pages->{$component_id} ) || !is_object( $pages->{$component_id} ) ) {
$pages->{$component_id} = new stdClass;
}
$pages->{$component_id}->name = $page_name->post_name;
$pages->{$component_id}->id = $page_name->ID;
$pages->{$component_id}->title = $page_name->post_title;
$slug[] = $page_name->post_name;
// Get the slug
while ( $page_name->post_parent != 0 ) {
$parent = $wpdb->get_results( $wpdb->prepare( "SELECT post_name, post_parent FROM {$posts_table_name} WHERE ID = %d", $page_name->post_parent ) );
$slug[] = $parent[0]->post_name;
$page_name->post_parent = $parent[0]->post_parent;
}
$pages->{$component_id}->slug = implode( '/', array_reverse( (array) $slug ) );
}
unset( $slug );
}
}
}
return apply_filters( 'bp_core_get_directory_pages', $pages );
}
/**
* Add the pages for the component mapping. These are most often used by components with directories (e.g. groups, members).
*
* @param array $default_components Optional components to create pages for
* @param string $existing 'delete' if you want to delete existing page
* mappings and replace with new ones. Otherwise existing page mappings
* are kept, and the gaps filled in with new pages
* @since BuddyPress (1.7)
*/
function bp_core_add_page_mappings( $components, $existing = 'keep' ) {
// Make sure that the pages are created on the root blog no matter which Dashboard the setup is being run on
if ( ! bp_is_root_blog() )
switch_to_blog( bp_get_root_blog_id() );
$pages = bp_core_get_directory_page_ids();
// Delete any existing pages
if ( 'delete' == $existing ) {
foreach ( (array) $pages as $page_id ) {
wp_delete_post( $page_id, true );
}
$pages = array();
}
$page_titles = array(
'activity' => _x( 'Activity', 'Page title for the Activity directory.', 'buddypress' ),
'groups' => _x( 'Groups', 'Page title for the Groups directory.', 'buddypress' ),
'sites' => _x( 'Sites', 'Page title for the Sites directory.', 'buddypress' ),
'activate' => _x( 'Activate', 'Page title for the user account activation screen.', 'buddypress' ),
'members' => _x( 'Members', 'Page title for the Members directory.', 'buddypress' ),
'register' => _x( 'Register', 'Page title for the user registration screen.', 'buddypress' ),
);
$pages_to_create = array();
foreach ( array_keys( $components ) as $component_name ) {
if ( ! isset( $pages[ $component_name ] ) && isset( $page_titles[ $component_name ] ) ) {
$pages_to_create[ $component_name ] = $page_titles[ $component_name ];
}
}
// Register and Activate are not components, but need pages when
// registration is enabled
if ( bp_get_signup_allowed() ) {
foreach ( array( 'register', 'activate' ) as $slug ) {
if ( ! isset( $pages[ $slug ] ) ) {
$pages_to_create[ $slug ] = $page_titles[ $slug ];
}
}
}
// No need for a Sites directory unless we're on multisite
if ( ! is_multisite() && isset( $pages_to_create['sites'] ) ) {
unset( $pages_to_create['sites'] );
}
// Members must always have a page, no matter what
if ( ! isset( $pages['members'] ) && ! isset( $pages_to_create['members'] ) ) {
$pages_to_create['members'] = $page_titles['members'];
}
// Create the pages
foreach ( $pages_to_create as $component_name => $page_name ) {
$pages[ $component_name ] = wp_insert_post( array(
'comment_status' => 'closed',
'ping_status' => 'closed',
'post_status' => 'publish',
'post_title' => $page_name,
'post_type' => 'page',
) );
}
// Save the page mapping
bp_update_option( 'bp-pages', $pages );
// If we had to switch_to_blog, go back to the original site.
if ( ! bp_is_root_blog() )
restore_current_blog();
}
/**
* Creates a default component slug from a WP page root_slug
*
* Since 1.5, BP components get their root_slug (the slug used immediately
* following the root domain) from the slug of a corresponding WP page.
*
* E.g. if your BP installation at example.com has its members page at
* example.com/community/people, $bp->members->root_slug will be 'community/people'.
*
* By default, this function creates a shorter version of the root_slug for
* use elsewhere in the URL, by returning the content after the final '/'
* in the root_slug ('people' in the example above).
*
* Filter on 'bp_core_component_slug_from_root_slug' to override this method
* in general, or define a specific component slug constant (e.g. BP_MEMBERS_SLUG)
* to override specific component slugs.
*
* @package BuddyPress Core
* @since BuddyPress (1.5)
*
* @param string $root_slug The root slug, which comes from $bp->pages->[component]->slug
* @return string The short slug for use in the middle of URLs
*/
function bp_core_component_slug_from_root_slug( $root_slug ) {
$slug_chunks = explode( '/', $root_slug );
$slug = array_pop( $slug_chunks );
return apply_filters( 'bp_core_component_slug_from_root_slug', $slug, $root_slug );
}
/**
* This function originally let plugins add support for pages in the root of the install.
* These root level pages are now handled by actual WordPress pages and this function is now
* a convenience for compatibility with the new method.
*
* @global $bp BuddyPress global settings
* @param string $slug The slug of the component
*/
function bp_core_add_root_component( $slug ) {
global $bp;
if ( empty( $bp->pages ) )
$bp->pages = bp_core_get_directory_pages();
$match = false;
// Check if the slug is registered in the $bp->pages global
foreach ( (array) $bp->pages as $key => $page ) {
if ( $key == $slug || $page->slug == $slug )
$match = true;
}
// If there was no match, add a page for this root component
if ( empty( $match ) ) {
$bp->add_root[] = $slug;
}
// Make sure that this component is registered as requiring a top-level directory
if ( isset( $bp->{$slug} ) ) {
$bp->loaded_components[$bp->{$slug}->slug] = $bp->{$slug}->id;
$bp->{$slug}->has_directory = true;
}
}
function bp_core_create_root_component_page() {
global $bp;
$new_page_ids = array();
foreach ( (array) $bp->add_root as $slug )
$new_page_ids[$slug] = wp_insert_post( array( 'comment_status' => 'closed', 'ping_status' => 'closed', 'post_title' => ucwords( $slug ), 'post_status' => 'publish', 'post_type' => 'page' ) );
$page_ids = array_merge( (array) $new_page_ids, (array) bp_core_get_directory_page_ids() );
bp_core_update_directory_page_ids( $page_ids );
}
/**
* Adds illegal names to WP so that root components will not conflict with
* blog names on a subdirectory installation.
*
* For example, it would stop someone creating a blog with the slug "groups".
*
* @todo Deprecate?
*/
function bp_core_add_illegal_names() {
update_site_option( 'illegal_names', get_site_option( 'illegal_names' ), array() );
}
/** URI ***********************************************************************/
/**
* Returns the domain for the root blog.
* eg: http://domain.com/ OR https://domain.com
*
* @package BuddyPress Core
* @uses get_blog_option() WordPress function to fetch blog meta.
* @return string The domain URL for the blog.
*/
function bp_core_get_root_domain() {
$domain = get_home_url( bp_get_root_blog_id() );
return apply_filters( 'bp_core_get_root_domain', $domain );
}
/**
* Performs a status safe wp_redirect() that is compatible with bp_catch_uri()
*
* @package BuddyPress Core
* @uses wp_safe_redirect()
*/
function bp_core_redirect( $location, $status = 302 ) {
// On some setups, passing the value of wp_get_referer() may result in an
// empty value for $location, which results in an error. Ensure that we
// have a valid URL.
if ( empty( $location ) )
$location = bp_get_root_domain();
// Make sure we don't call status_header() in bp_core_do_catch_uri() as this
// conflicts with wp_redirect() and wp_safe_redirect().
buddypress()->no_status_set = true;
wp_safe_redirect( $location, $status );
die;
}
/**
* Returns the referrer URL without the http(s)://
*
* @package BuddyPress Core
* @return string The referrer URL
*/
function bp_core_referrer() {
$referer = explode( '/', wp_get_referer() );
unset( $referer[0], $referer[1], $referer[2] );
return implode( '/', $referer );
}
/**
* Get the path of of the current site.
*
* @package BuddyPress Core
*
* @global object $current_site
* @return string
*/
function bp_core_get_site_path() {
global $current_site;
if ( is_multisite() )
$site_path = $current_site->path;
else {
$site_path = (array) explode( '/', home_url() );
if ( count( $site_path ) < 2 )
$site_path = '/';
else {
// Unset the first three segments (http(s)://domain.com part)
unset( $site_path[0] );
unset( $site_path[1] );
unset( $site_path[2] );
if ( !count( $site_path ) )
$site_path = '/';
else
$site_path = '/' . implode( '/', $site_path ) . '/';
}
}
return apply_filters( 'bp_core_get_site_path', $site_path );
}
/** Time **********************************************************************/
/**
* Get the current GMT time to save into the DB
*
* @package BuddyPress Core
* @since BuddyPress (1.2.6)
*/
function bp_core_current_time( $gmt = true ) {
// Get current time in MYSQL format
$current_time = current_time( 'mysql', $gmt );
return apply_filters( 'bp_core_current_time', $current_time );
}
/**
* Based on function created by Dunstan Orchard - http://1976design.com
*
* This function will return an English representation of the time elapsed
* since a given date.
* eg: 2 hours and 50 minutes
* eg: 4 days
* eg: 4 weeks and 6 days
*
* Note that fractions of minutes are not represented in the return string. So
* an interval of 3 minutes will be represented by "3 minutes ago", as will an
* interval of 3 minutes 59 seconds.
*
* @package BuddyPress Core
* @uses apply_filters() Filter 'bp_core_time_since_pre' to bypass BP's calculations
* @uses apply_filters() Filter 'bp_core_time_since' to modify BP's calculations
* @param int $older_date Unix timestamp of date you want to calculate the time since for
* @param int $newer_date Unix timestamp of date to compare older date to. Default false (current time).
* @return string The time since.
*/
function bp_core_time_since( $older_date, $newer_date = false ) {
// Use this filter to bypass BuddyPress's time_since calculations
if ( $pre_value = apply_filters( 'bp_core_time_since_pre', false, $older_date, $newer_date ) ) {
return $pre_value;
}
// Setup the strings
$unknown_text = apply_filters( 'bp_core_time_since_unknown_text', __( 'sometime', 'buddypress' ) );
$right_now_text = apply_filters( 'bp_core_time_since_right_now_text', __( 'right now', 'buddypress' ) );
$ago_text = apply_filters( 'bp_core_time_since_ago_text', __( '%s ago', 'buddypress' ) );
// array of time period chunks
$chunks = array(
YEAR_IN_SECONDS,
30 * DAY_IN_SECONDS,
WEEK_IN_SECONDS,
DAY_IN_SECONDS,
HOUR_IN_SECONDS,
MINUTE_IN_SECONDS,
1
);
if ( !empty( $older_date ) && !is_numeric( $older_date ) ) {
$time_chunks = explode( ':', str_replace( ' ', ':', $older_date ) );
$date_chunks = explode( '-', str_replace( ' ', '-', $older_date ) );
$older_date = gmmktime( (int) $time_chunks[1], (int) $time_chunks[2], (int) $time_chunks[3], (int) $date_chunks[1], (int) $date_chunks[2], (int) $date_chunks[0] );
}
/**
* $newer_date will equal false if we want to know the time elapsed between
* a date and the current time. $newer_date will have a value if we want to
* work out time elapsed between two known dates.
*/
$newer_date = ( !$newer_date ) ? strtotime( bp_core_current_time() ) : $newer_date;
// Difference in seconds
$since = $newer_date - $older_date;
// Something went wrong with date calculation and we ended up with a negative date.
if ( 0 > $since ) {
$output = $unknown_text;
/**
* We only want to output two chunks of time here, eg:
* x years, xx months
* x days, xx hours
* so there's only two bits of calculation below:
*/
} else {
// Step one: the first chunk
for ( $i = 0, $j = count( $chunks ); $i < $j; ++$i ) {
$seconds = $chunks[$i];
// Finding the biggest chunk (if the chunk fits, break)
$count = floor( $since / $seconds );
if ( 0 != $count ) {
break;
}
}
// If $i iterates all the way to $j, then the event happened 0 seconds ago
if ( !isset( $chunks[$i] ) ) {
$output = $right_now_text;
} else {
// Set output var
switch ( $seconds ) {
case YEAR_IN_SECONDS :
$output = sprintf( _n( '%s year', '%s years', $count, 'buddypress' ), $count );
break;
case 30 * DAY_IN_SECONDS :
$output = sprintf( _n( '%s month', '%s months', $count, 'buddypress' ), $count );
break;
case WEEK_IN_SECONDS :
$output = sprintf( _n( '%s week', '%s weeks', $count, 'buddypress' ), $count );
break;
case DAY_IN_SECONDS :
$output = sprintf( _n( '%s day', '%s days', $count, 'buddypress' ), $count );
break;
case HOUR_IN_SECONDS :
$output = sprintf( _n( '%s hour', '%s hours', $count, 'buddypress' ), $count );
break;
case MINUTE_IN_SECONDS :
$output = sprintf( _n( '%s minute', '%s minutes', $count, 'buddypress' ), $count );
break;
default:
$output = sprintf( _n( '%s second', '%s seconds', $count, 'buddypress' ), $count );
}
// Step two: the second chunk
// A quirk in the implementation means that this
// condition fails in the case of minutes and seconds.
// We've left the quirk in place, since fractions of a
// minute are not a useful piece of information for our
// purposes
if ( $i + 2 < $j ) {
$seconds2 = $chunks[$i + 1];
$count2 = floor( ( $since - ( $seconds * $count ) ) / $seconds2 );
// Add to output var
if ( 0 != $count2 ) {
$output .= _x( ',', 'Separator in time since', 'buddypress' ) . ' ';
switch ( $seconds2 ) {
case 30 * DAY_IN_SECONDS :
$output .= sprintf( _n( '%s month', '%s months', $count2, 'buddypress' ), $count2 );
break;
case WEEK_IN_SECONDS :
$output .= sprintf( _n( '%s week', '%s weeks', $count2, 'buddypress' ), $count2 );
break;
case DAY_IN_SECONDS :
$output .= sprintf( _n( '%s day', '%s days', $count2, 'buddypress' ), $count2 );
break;
case HOUR_IN_SECONDS :
$output .= sprintf( _n( '%s hour', '%s hours', $count2, 'buddypress' ), $count2 );
break;
case MINUTE_IN_SECONDS :
$output .= sprintf( _n( '%s minute', '%s minutes', $count2, 'buddypress' ), $count2 );
break;
default:
$output .= sprintf( _n( '%s second', '%s seconds', $count2, 'buddypress' ), $count2 );
}
}
}
// No output, so happened right now
if ( ! (int) trim( $output ) ) {
$output = $right_now_text;
}
}
}
// Append 'ago' to the end of time-since if not 'right now'
if ( $output != $right_now_text ) {
$output = sprintf( $ago_text, $output );
}
return apply_filters( 'bp_core_time_since', $output, $older_date, $newer_date );
}
/** Messages ******************************************************************/
/**
* Adds a feedback (error/success) message to the WP cookie so it can be
* displayed after the page reloads.
*
* @package BuddyPress Core
*
* @global BuddyPress $bp The one true BuddyPress instance
* @param string $message Feedback to give to user
* @param string $type updated|success|error|warning
*/
function bp_core_add_message( $message, $type = '' ) {
global $bp;
// Success is the default
if ( empty( $type ) )
$type = 'success';
// Send the values to the cookie for page reload display
@setcookie( 'bp-message', $message, time() + 60 * 60 * 24, COOKIEPATH );
@setcookie( 'bp-message-type', $type, time() + 60 * 60 * 24, COOKIEPATH );
/***
* Send the values to the $bp global so we can still output messages
* without a page reload
*/
$bp->template_message = $message;
$bp->template_message_type = $type;
}
/**
* Checks if there is a feedback message in the WP cookie, if so, adds a
* "template_notices" action so that the message can be parsed into the template
* and displayed to the user.
*
* After the message is displayed, it removes the message vars from the cookie
* so that the message is not shown to the user multiple times.
*
* @package BuddyPress Core
* @global $bp_message The message text
* @global $bp_message_type The type of message (error/success)
* @uses setcookie() Sets a cookie value for the user.
*/
function bp_core_setup_message() {
global $bp;
if ( empty( $bp->template_message ) && isset( $_COOKIE['bp-message'] ) )
$bp->template_message = stripslashes( $_COOKIE['bp-message'] );
if ( empty( $bp->template_message_type ) && isset( $_COOKIE['bp-message-type'] ) )
$bp->template_message_type = stripslashes( $_COOKIE['bp-message-type'] );
add_action( 'template_notices', 'bp_core_render_message' );
if ( isset( $_COOKIE['bp-message'] ) )
@setcookie( 'bp-message', false, time() - 1000, COOKIEPATH );
if ( isset( $_COOKIE['bp-message-type'] ) )
@setcookie( 'bp-message-type', false, time() - 1000, COOKIEPATH );
}
add_action( 'bp_actions', 'bp_core_setup_message', 5 );
/**
* Renders a feedback message (either error or success message) to the theme template.
* The hook action 'template_notices' is used to call this function, it is not called directly.
*
* @package BuddyPress Core
* @global BuddyPress $bp The one true BuddyPress instance
*/
function bp_core_render_message() {
global $bp;
if ( !empty( $bp->template_message ) ) :
$type = ( 'success' == $bp->template_message_type ) ? 'updated' : 'error';
$content = apply_filters( 'bp_core_render_message_content', $bp->template_message, $type ); ?>
<div id="message" class="bp-template-notice <?php echo $type; ?>">
<?php echo $content; ?>
</div>
<?php
do_action( 'bp_core_render_message' );
endif;
}
/** Last active ***************************************************************/
/**
* Record user activity to the database. Many functions use a "last active" feature to
* show the length of time since the user was last active.
* This function will update that time as a usermeta setting for the user every 5 minutes.
*
* @package BuddyPress Core
* @global $userdata WordPress user data for the current logged in user.
* @uses bp_update_user_meta() BP function to update user metadata in the usermeta table.
*/
function bp_core_record_activity() {
if ( !is_user_logged_in() )
return false;
$user_id = bp_loggedin_user_id();
if ( bp_is_user_inactive( $user_id ) )
return false;
$activity = bp_get_user_meta( $user_id, 'last_activity', true );
if ( !is_numeric( $activity ) )
$activity = strtotime( $activity );
// Get current time
$current_time = bp_core_current_time();
// Use this action to detect the very first activity for a given member
if ( empty( $activity ) ) {
do_action( 'bp_first_activity_for_member', $user_id );
}
if ( empty( $activity ) || strtotime( $current_time ) >= strtotime( '+5 minutes', $activity ) )
bp_update_user_meta( $user_id, 'last_activity', $current_time );
}
add_action( 'wp_head', 'bp_core_record_activity' );
/**
* Formats last activity based on time since date given.
*
* @package BuddyPress Core
* @param string $last_activity_date The date of last activity.
* @param string $string
* @uses bp_core_time_since() This function will return an English representation of the time elapsed.
*/
function bp_core_get_last_activity( $last_activity_date, $string ) {
if ( empty( $last_activity_date ) )
$last_active = __( 'Not recently active', 'buddypress' );
else
$last_active = sprintf( $string, bp_core_time_since( $last_activity_date ) );
return apply_filters( 'bp_core_get_last_activity', $last_active, $last_activity_date, $string );
}
/** Meta **********************************************************************/
/**
* Get the meta_key for a given piece of user metadata
*
* BuddyPress stores a number of pieces of userdata in the WordPress central usermeta table. In
* order to allow plugins to enable multiple instances of BuddyPress on a single WP installation,
* BP's usermeta keys are filtered with this function, so that they can be altered on the fly.
*
* Plugin authors should use BP's _user_meta() functions, which bakes in bp_get_user_meta_key().
* $last_active = bp_get_user_meta( $user_id, 'last_activity', true );
* If you have to use WP's _user_meta() functions for some reason, you should use this function, eg
* $last_active = get_user_meta( $user_id, bp_get_user_meta_key( 'last_activity' ), true );
* If using the WP functions, do not not hardcode your meta keys.
*
* @package BuddyPress
* @since BuddyPress (1.5)
*
* @uses apply_filters() Filter bp_get_user_meta_key to modify keys individually
* @param string $key
* @return string $key
*/
function bp_get_user_meta_key( $key = false ) {
return apply_filters( 'bp_get_user_meta_key', $key );
}
/**
* Get a piece of usermeta
*
* This is a wrapper for get_user_meta() that allows for easy use of bp_get_user_meta_key(), thereby
* increasing compatibility with non-standard BP setups.
*
* @package BuddyPress
* @since BuddyPress (1.5)
*
* @uses bp_get_user_meta_key() For a filterable version of the meta key
* @uses get_user_meta() See get_user_meta() docs for more details on parameters
* @param int $user_id The id of the user whose meta you're fetching
* @param string $key The meta key to retrieve.
* @param bool $single Whether to return a single value.
* @return mixed Will be an array if $single is false. Will be value of meta data field if $single
* is true.
*/
function bp_get_user_meta( $user_id, $key, $single = false ) {
return get_user_meta( $user_id, bp_get_user_meta_key( $key ), $single );
}
/**
* Update a piece of usermeta
*
* This is a wrapper for update_user_meta() that allows for easy use of bp_get_user_meta_key(),
* thereby increasing compatibility with non-standard BP setups.
*
* @package BuddyPress
* @since BuddyPress (1.5)
*
* @uses bp_get_user_meta_key() For a filterable version of the meta key
* @uses update_user_meta() See update_user_meta() docs for more details on parameters
* @param int $user_id The id of the user whose meta you're setting
* @param string $key The meta key to set.
* @param mixed $value Metadata value.
* @param mixed $prev_value Optional. Previous value to check before removing.
* @return bool False on failure, true if success.
*/
function bp_update_user_meta( $user_id, $key, $value, $prev_value = '' ) {
return update_user_meta( $user_id, bp_get_user_meta_key( $key ), $value, $prev_value );
}
/**
* Delete a piece of usermeta
*
* This is a wrapper for delete_user_meta() that allows for easy use of bp_get_user_meta_key(),
* thereby increasing compatibility with non-standard BP setups.
*
* @package BuddyPress
* @since BuddyPress (1.5)
*
* @uses bp_get_user_meta_key() For a filterable version of the meta key
* @uses delete_user_meta() See delete_user_meta() docs for more details on parameters
* @param int $user_id The id of the user whose meta you're deleting
* @param string $key The meta key to delete.
* @param mixed $value Optional. Metadata value.
* @return bool False for failure. True for success.
*/
function bp_delete_user_meta( $user_id, $key, $value = '' ) {
return delete_user_meta( $user_id, bp_get_user_meta_key( $key ), $value );
}
/** Embeds ********************************************************************/
/**
* Initializes {@link BP_Embed} after everything is loaded.
*
* @global object $bp BuddyPress global settings
* @package BuddyPress Core
* @since BuddyPress (1.5)
*/
function bp_embed_init() {
global $bp;
if ( empty( $bp->embed ) )
$bp->embed = new BP_Embed();
}
add_action( 'bp_init', 'bp_embed_init', 9 );
/**
* Are oembeds allowed in activity items?
*
* @return bool False when activity embed support is disabled; true when enabled (default)
* @since BuddyPress (1.5)
*/
function bp_use_embed_in_activity() {
return apply_filters( 'bp_use_oembed_in_activity', !defined( 'BP_EMBED_DISABLE_ACTIVITY' ) || !BP_EMBED_DISABLE_ACTIVITY );
}
/**
* Are oembeds allwoed in activity replies?
*
* @return bool False when activity replies embed support is disabled; true when enabled (default)
* @since BuddyPress (1.5)
*/
function bp_use_embed_in_activity_replies() {
return apply_filters( 'bp_use_embed_in_activity_replies', !defined( 'BP_EMBED_DISABLE_ACTIVITY_REPLIES' ) || !BP_EMBED_DISABLE_ACTIVITY_REPLIES );
}
/**
* Are oembeds allowed in forum posts?
*