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Add inline documentation for ms-blogs.php. See #14953 

git-svn-id: http://svn.automattic.com/wordpress/trunk@15676 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
scribu 2010-10-01 01:32:31 +00:00
parent c63d9afdec
commit a4167676ea
1 changed files with 138 additions and 11 deletions
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147
wp-includes/ms-blogs.php
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@ -5,24 +5,46 @@
*
* @package WordPress
* @subpackage Multisite
* @since 3.0.0
* @since MU
*/
// @todo use update_blog_details
/**
* Update the last_updated field for the current blog.
*
* @since MU
*/
function wpmu_update_blogs_date() {
global $wpdb;
// TODO: use update_blog_details
$wpdb->update( $wpdb->blogs, array('last_updated' => current_time('mysql', true)), array('blog_id' => $wpdb->blogid) );
refresh_blog_details( $wpdb->blogid );
do_action( 'wpmu_blog_updated', $wpdb->blogid );
}
/**
* Get a full blog URL, given a blog id.
*
* @since MU
*
* @param int $blog_id Blog ID
* @return string
*/
function get_blogaddress_by_id( $blog_id ) {
$bloginfo = get_blog_details( (int) $blog_id, false ); // only get bare details!
return esc_url( 'http://' . $bloginfo->domain . $bloginfo->path );
}
/**
* Get a full blog URL, given a blog name.
*
* @since MU
*
* @param string $blogname The (subdomain or directory) name
* @return string
*/
function get_blogaddress_by_name( $blogname ) {
global $current_site;
@ -38,6 +60,15 @@ function get_blogaddress_by_name( $blogname ) {
return esc_url( $url . '/' );
}
/**
* Get a full blog URL, given a domain and a path.
*
* @since MU
*
* @param string $domain
* @param string $path
* @return string
*/
function get_blogaddress_by_domain( $domain, $path ) {
if ( is_subdomain_install() ) {
$url = "http://".$domain.$path;
@ -55,6 +86,14 @@ function get_blogaddress_by_domain( $domain, $path ){
return esc_url( $url );
}
/**
* Given a blog's (subdomain or directory) name, retrieve it's id.
*
* @since MU
*
* @param string $name
* @return int A blog id
*/
function get_id_from_blogname( $name ) {
global $wpdb, $current_site;
$blog_id = wp_cache_get( "get_id_from_blogname_" . $name, 'blog-details' );
@ -76,7 +115,8 @@ function get_id_from_blogname( $name ) {
/**
* Retrieve the details for a blog from the blogs table and blog options.
*
* @since 3.0.0
* @since MU
*
* @param int|string|array $fields A blog ID, a blog name, or an array of fields to query against.
* @param bool $get_all Whether to retrieve all details or only the details in the blogs table. Default is true.
* @return object Blog details.
@ -202,7 +242,7 @@ function get_blog_details( $fields, $get_all = true ) {
/**
* Clear the blog details cache.
*
* @since 3.0.0
* @since MU
*
* @param int $blog_id Blog ID
*/
@ -220,7 +260,7 @@ function refresh_blog_details( $blog_id ) {
/**
* Update the details for a blog. Updates the blogs table for a given blog id.
*
* @since 3.0.0
* @since MU
*
* @param int $blog_id Blog ID
* @param array $details Array of details keyed by blogs table field names.
@ -280,13 +320,11 @@ function update_blog_details( $blog_id, $details = array() ) {
* $blog_id. It returns $value.
* The 'option_$option' filter in get_option() is not called.
*
* @since NA
* @package WordPress MU
* @subpackage Option
* @since MU
* @uses apply_filters() Calls 'blog_option_$optionname' with the option name value.
*
* @param int $blog_id is the id of the blog.
* @param string $setting Name of option to retrieve. Should already be SQL-escaped
* @param string $setting Name of option to retrieve. Should already be SQL-escaped.
* @param string $default (optional) Default value returned if option not found.
* @return mixed Value set for the option.
*/
@ -340,6 +378,15 @@ function get_blog_option( $blog_id, $setting, $default = false ) {
return apply_filters( 'blog_option_' . $setting, maybe_unserialize( $value ), $blog_id );
}
/**
* Add an option for a particular blog.
*
* @since MU
*
* @param int $id The blog id
* @param string $key The option key
* @param mixed $value The option value
*/
function add_blog_option( $id, $key, $value ) {
$id = (int) $id;
@ -349,6 +396,14 @@ function add_blog_option( $id, $key, $value ) {
wp_cache_set( $id."-".$key."-blog_option", $value, 'site-options' );
}
/**
* Delete an option for a particular blog.
*
* @since MU
*
* @param int $id The blog id
* @param string $key The option key
*/
function delete_blog_option( $id, $key ) {
$id = (int) $id;
@ -358,6 +413,16 @@ function delete_blog_option( $id, $key ) {
wp_cache_set( $id."-".$key."-blog_option", '', 'site-options' );
}
/**
* Update an option for a particular blog.
*
* @since MU
*
* @param int $id The blog id
* @param string $key The option key
* @param mixed $value The option value
* @param bool $refresh Wether to refresh blog details or not
*/
function update_blog_option( $id, $key, $value, $refresh = true ) {
$id = (int) $id;
@ -370,6 +435,23 @@ function update_blog_option( $id, $key, $value, $refresh = true ) {
wp_cache_set( $id."-".$key."-blog_option", $value, 'site-options');
}
/**
* Switch the current blog.
*
* This function is useful if you need to pull posts, or other information,
* from other blogs. You can switch back afterwards using restore_current_blog().
*
* Things that aren't switched:
* - autoloaded options. See #14992
* - plugins. See #14941
*
* @see restore_current_blog()
* @since MU
*
* @param int $new_blog The id of the blog you want to switch to. Default: current blog
* @param bool $validate Wether to check if $new_blog exists before proceeding
* @return bool True on success, False if the validation failed
*/
function switch_to_blog( $new_blog, $validate = false ) {
global $wpdb, $table_prefix, $blog_id, $switched, $switched_stack, $wp_roles, $wp_object_cache;
@ -432,6 +514,14 @@ function switch_to_blog( $new_blog, $validate = false ) {
return true;
}
/**
* Restore the current blog, after calling switch_to_blog()
*
* @see switch_to_blog()
* @since MU
*
* @return bool True on success, False if we're already on the current blog
*/
function restore_current_blog() {
global $table_prefix, $wpdb, $blog_id, $switched, $switched_stack, $wp_roles, $wp_object_cache;
@ -490,10 +580,27 @@ function restore_current_blog() {
return true;
}
/**
* Check if a particular blog is archived.
*
* @since MU
*
* @param int $id The blog id
* @return string Wether the blog is archived or not
*/
function is_archived( $id ) {
return get_blog_status($id, 'archived');
}
/**
* Update the 'archived' status of a particular blog.
*
* @since MU
*
* @param int $id The blog id
* @param string $archived The new status
* @return string $archived
*/
function update_archived( $id, $archived ) {
update_blog_status($id, 'archived', $archived);
return $archived;
@ -502,12 +609,13 @@ function update_archived( $id, $archived ) {
/**
* Update a blog details field.
*
* @since 3.0.0
* @since MU
*
* @param int $blog_id BLog ID
* @param string $pref A field name
* @param string $value Value for $pref
* @param bool $refresh Whether to refresh the blog details cache. Default is true.
* @return string $value
*/
function update_blog_status( $blog_id, $pref, $value, $refresh = true ) {
global $wpdb;
@ -530,6 +638,15 @@ function update_blog_status( $blog_id, $pref, $value, $refresh = true ) {
return $value;
}
/**
* Get a blog details field.
*
* @since MU
*
* @param int $id The blog id
* @param string $pref A field name
* @return bool $value
*/
function get_blog_status( $id, $pref ) {
global $wpdb;
@ -540,6 +657,16 @@ function get_blog_status( $id, $pref ) {
return $wpdb->get_var( $wpdb->prepare("SELECT %s FROM {$wpdb->blogs} WHERE blog_id = %d", $pref, $id) );
}
/**
* Get a list of most recently updated blogs.
*
* @since MU
*
* @param $deprecated Not used
* @param int $start The offset
* @param int $quantity The maximum number of blogs to retrieve. Default is 40.
* @return array The list of blogs
*/
function get_last_updated( $deprecated = '', $start = 0, $quantity = 40 ) {
global $wpdb;
return $wpdb->get_results( $wpdb->prepare("SELECT blog_id, domain, path FROM $wpdb->blogs WHERE site_id = %d AND public = '1' AND archived = '0' AND mature = '0' AND spam = '0' AND deleted = '0' AND last_updated != '0000-00-00 00:00:00' ORDER BY last_updated DESC limit %d, %d", $wpdb->siteid, $start, $quantity ) , ARRAY_A );