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0860bb2771
Prior to about 2013, many class methods lacked even access modifiers which made the `@access` notations that much more useful. Now that we've gotten to a point where the codebase is more mature from a maintenance perspective and we can finally remove these notations. Notable exceptions to this change include standalone functions notated as private as well as some classes still considered to represent "private" APIs. See #41452. Built from https://develop.svn.wordpress.org/trunk@41162 git-svn-id: http://core.svn.wordpress.org/trunk@41002 1a063a9b-81f0-0310-95a4-ce76da25c4cd
700 lines
22 KiB
PHP
700 lines
22 KiB
PHP
<?php
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/**
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* Site API: WP_Site_Query class
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*
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* @package WordPress
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* @subpackage Sites
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* @since 4.6.0
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*/
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/**
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* Core class used for querying sites.
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*
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* @since 4.6.0
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*
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* @see WP_Site_Query::__construct() for accepted arguments.
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*/
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class WP_Site_Query {
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/**
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* SQL for database query.
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*
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* @since 4.6.0
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* @var string
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*/
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public $request;
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/**
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* SQL query clauses.
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*
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* @since 4.6.0
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* @var array
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*/
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protected $sql_clauses = array(
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'select' => '',
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'from' => '',
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'where' => array(),
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'groupby' => '',
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'orderby' => '',
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'limits' => '',
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);
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/**
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* Date query container.
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*
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* @since 4.6.0
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* @var object WP_Date_Query
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*/
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public $date_query = false;
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/**
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* Query vars set by the user.
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*
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* @since 4.6.0
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* @var array
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*/
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public $query_vars;
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/**
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* Default values for query vars.
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*
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* @since 4.6.0
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* @var array
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*/
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public $query_var_defaults;
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/**
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* List of sites located by the query.
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*
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* @since 4.6.0
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* @var array
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*/
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public $sites;
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/**
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* The amount of found sites for the current query.
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*
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* @since 4.6.0
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* @var int
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*/
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public $found_sites = 0;
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/**
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* The number of pages.
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*
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* @since 4.6.0
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* @var int
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*/
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public $max_num_pages = 0;
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/**
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* Sets up the site query, based on the query vars passed.
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*
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* @since 4.6.0
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* @since 4.8.0 Introduced the 'lang_id', 'lang__in', and 'lang__not_in' parameters.
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*
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* @param string|array $query {
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* Optional. Array or query string of site query parameters. Default empty.
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*
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* @type array $site__in Array of site IDs to include. Default empty.
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* @type array $site__not_in Array of site IDs to exclude. Default empty.
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* @type bool $count Whether to return a site count (true) or array of site objects.
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* Default false.
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* @type array $date_query Date query clauses to limit sites by. See WP_Date_Query.
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* Default null.
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* @type string $fields Site fields to return. Accepts 'ids' (returns an array of site IDs)
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* or empty (returns an array of complete site objects). Default empty.
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* @type int $ID A site ID to only return that site. Default empty.
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* @type int $number Maximum number of sites to retrieve. Default 100.
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* @type int $offset Number of sites to offset the query. Used to build LIMIT clause.
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* Default 0.
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* @type bool $no_found_rows Whether to disable the `SQL_CALC_FOUND_ROWS` query. Default true.
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* @type string|array $orderby Site status or array of statuses. Accepts 'id', 'domain', 'path',
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* 'network_id', 'last_updated', 'registered', 'domain_length',
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* 'path_length', 'site__in' and 'network__in'. Also accepts false,
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* an empty array, or 'none' to disable `ORDER BY` clause.
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* Default 'id'.
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* @type string $order How to order retrieved sites. Accepts 'ASC', 'DESC'. Default 'ASC'.
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* @type int $network_id Limit results to those affiliated with a given network ID. If 0,
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* include all networks. Default 0.
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* @type array $network__in Array of network IDs to include affiliated sites for. Default empty.
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* @type array $network__not_in Array of network IDs to exclude affiliated sites for. Default empty.
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* @type string $domain Limit results to those affiliated with a given domain. Default empty.
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* @type array $domain__in Array of domains to include affiliated sites for. Default empty.
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* @type array $domain__not_in Array of domains to exclude affiliated sites for. Default empty.
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* @type string $path Limit results to those affiliated with a given path. Default empty.
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* @type array $path__in Array of paths to include affiliated sites for. Default empty.
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* @type array $path__not_in Array of paths to exclude affiliated sites for. Default empty.
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* @type int $public Limit results to public sites. Accepts '1' or '0'. Default empty.
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* @type int $archived Limit results to archived sites. Accepts '1' or '0'. Default empty.
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* @type int $mature Limit results to mature sites. Accepts '1' or '0'. Default empty.
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* @type int $spam Limit results to spam sites. Accepts '1' or '0'. Default empty.
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* @type int $deleted Limit results to deleted sites. Accepts '1' or '0'. Default empty.
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* @type int $lang_id Limit results to a language ID. Default empty.
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* @type array $lang__in Array of language IDs to include affiliated sites for. Default empty.
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* @type array $lang__not_in Array of language IDs to exclude affiliated sites for. Default empty.
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* @type string $search Search term(s) to retrieve matching sites for. Default empty.
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* @type array $search_columns Array of column names to be searched. Accepts 'domain' and 'path'.
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* Default empty array.
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* @type bool $update_site_cache Whether to prime the cache for found sites. Default false.
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* }
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*/
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public function __construct( $query = '' ) {
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$this->query_var_defaults = array(
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'fields' => '',
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'ID' => '',
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'site__in' => '',
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'site__not_in' => '',
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'number' => 100,
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'offset' => '',
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'no_found_rows' => true,
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'orderby' => 'id',
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'order' => 'ASC',
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'network_id' => 0,
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'network__in' => '',
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'network__not_in' => '',
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'domain' => '',
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'domain__in' => '',
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'domain__not_in' => '',
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'path' => '',
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'path__in' => '',
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'path__not_in' => '',
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'public' => null,
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'archived' => null,
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'mature' => null,
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'spam' => null,
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'deleted' => null,
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'lang_id' => null,
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'lang__in' => '',
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'lang__not_in' => '',
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'search' => '',
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'search_columns' => array(),
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'count' => false,
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'date_query' => null, // See WP_Date_Query
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'update_site_cache' => true,
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);
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if ( ! empty( $query ) ) {
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$this->query( $query );
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}
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}
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/**
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* Parses arguments passed to the site query with default query parameters.
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*
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* @since 4.6.0
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*
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* @see WP_Site_Query::__construct()
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*
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* @param string|array $query Array or string of WP_Site_Query arguments. See WP_Site_Query::__construct().
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*/
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public function parse_query( $query = '' ) {
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if ( empty( $query ) ) {
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$query = $this->query_vars;
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}
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$this->query_vars = wp_parse_args( $query, $this->query_var_defaults );
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/**
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* Fires after the site query vars have been parsed.
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*
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* @since 4.6.0
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*
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* @param WP_Site_Query &$this The WP_Site_Query instance (passed by reference).
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*/
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do_action_ref_array( 'parse_site_query', array( &$this ) );
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}
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/**
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* Sets up the WordPress query for retrieving sites.
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*
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* @since 4.6.0
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*
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* @param string|array $query Array or URL query string of parameters.
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* @return array|int List of sites, or number of sites when 'count' is passed as a query var.
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*/
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public function query( $query ) {
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$this->query_vars = wp_parse_args( $query );
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return $this->get_sites();
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}
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/**
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* Retrieves a list of sites matching the query vars.
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*
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* @since 4.6.0
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*
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* @return array|int List of sites, or number of sites when 'count' is passed as a query var.
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*/
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public function get_sites() {
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$this->parse_query();
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/**
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* Fires before sites are retrieved.
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*
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* @since 4.6.0
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*
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* @param WP_Site_Query &$this Current instance of WP_Site_Query, passed by reference.
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*/
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do_action_ref_array( 'pre_get_sites', array( &$this ) );
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// $args can include anything. Only use the args defined in the query_var_defaults to compute the key.
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$_args = wp_array_slice_assoc( $this->query_vars, array_keys( $this->query_var_defaults ) );
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// Ignore the $fields argument as the queried result will be the same regardless.
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unset( $_args['fields'] );
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$key = md5( serialize( $_args ) );
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$last_changed = wp_cache_get_last_changed( 'sites' );
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$cache_key = "get_sites:$key:$last_changed";
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$cache_value = wp_cache_get( $cache_key, 'sites' );
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if ( false === $cache_value ) {
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$site_ids = $this->get_site_ids();
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if ( $site_ids ) {
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$this->set_found_sites();
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}
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$cache_value = array(
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'site_ids' => $site_ids,
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'found_sites' => $this->found_sites,
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);
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wp_cache_add( $cache_key, $cache_value, 'sites' );
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} else {
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$site_ids = $cache_value['site_ids'];
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$this->found_sites = $cache_value['found_sites'];
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}
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if ( $this->found_sites && $this->query_vars['number'] ) {
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$this->max_num_pages = ceil( $this->found_sites / $this->query_vars['number'] );
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}
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// If querying for a count only, there's nothing more to do.
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if ( $this->query_vars['count'] ) {
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// $site_ids is actually a count in this case.
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return intval( $site_ids );
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}
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$site_ids = array_map( 'intval', $site_ids );
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if ( 'ids' == $this->query_vars['fields'] ) {
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$this->sites = $site_ids;
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return $this->sites;
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}
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// Prime site network caches.
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if ( $this->query_vars['update_site_cache'] ) {
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_prime_site_caches( $site_ids );
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}
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// Fetch full site objects from the primed cache.
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$_sites = array();
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foreach ( $site_ids as $site_id ) {
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if ( $_site = get_site( $site_id ) ) {
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$_sites[] = $_site;
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}
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}
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/**
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* Filters the site query results.
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*
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* @since 4.6.0
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*
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* @param array $results An array of sites.
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* @param WP_Site_Query &$this Current instance of WP_Site_Query, passed by reference.
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*/
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$_sites = apply_filters_ref_array( 'the_sites', array( $_sites, &$this ) );
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// Convert to WP_Site instances.
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$this->sites = array_map( 'get_site', $_sites );
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return $this->sites;
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}
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/**
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* Used internally to get a list of site IDs matching the query vars.
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*
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* @since 4.6.0
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*
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* @global wpdb $wpdb WordPress database abstraction object.
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*
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* @return int|array A single count of site IDs if a count query. An array of site IDs if a full query.
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*/
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protected function get_site_ids() {
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global $wpdb;
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$order = $this->parse_order( $this->query_vars['order'] );
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// Disable ORDER BY with 'none', an empty array, or boolean false.
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if ( in_array( $this->query_vars['orderby'], array( 'none', array(), false ), true ) ) {
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$orderby = '';
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} elseif ( ! empty( $this->query_vars['orderby'] ) ) {
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$ordersby = is_array( $this->query_vars['orderby'] ) ?
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$this->query_vars['orderby'] :
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preg_split( '/[,\s]/', $this->query_vars['orderby'] );
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$orderby_array = array();
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foreach ( $ordersby as $_key => $_value ) {
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if ( ! $_value ) {
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continue;
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}
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if ( is_int( $_key ) ) {
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$_orderby = $_value;
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$_order = $order;
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} else {
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$_orderby = $_key;
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$_order = $_value;
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}
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$parsed = $this->parse_orderby( $_orderby );
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if ( ! $parsed ) {
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continue;
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}
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if ( 'site__in' === $_orderby || 'network__in' === $_orderby ) {
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$orderby_array[] = $parsed;
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continue;
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}
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$orderby_array[] = $parsed . ' ' . $this->parse_order( $_order );
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}
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$orderby = implode( ', ', $orderby_array );
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} else {
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$orderby = "blog_id $order";
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}
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$number = absint( $this->query_vars['number'] );
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$offset = absint( $this->query_vars['offset'] );
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if ( ! empty( $number ) ) {
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if ( $offset ) {
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$limits = 'LIMIT ' . $offset . ',' . $number;
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} else {
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$limits = 'LIMIT ' . $number;
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}
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}
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if ( $this->query_vars['count'] ) {
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$fields = 'COUNT(*)';
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} else {
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$fields = 'blog_id';
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}
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// Parse site IDs for an IN clause.
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$site_id = absint( $this->query_vars['ID'] );
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if ( ! empty( $site_id ) ) {
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$this->sql_clauses['where']['ID'] = $wpdb->prepare( 'blog_id = %d', $site_id );
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}
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// Parse site IDs for an IN clause.
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if ( ! empty( $this->query_vars['site__in'] ) ) {
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$this->sql_clauses['where']['site__in'] = "blog_id IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['site__in'] ) ) . ' )';
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}
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// Parse site IDs for a NOT IN clause.
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if ( ! empty( $this->query_vars['site__not_in'] ) ) {
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$this->sql_clauses['where']['site__not_in'] = "blog_id NOT IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['site__not_in'] ) ) . ' )';
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}
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$network_id = absint( $this->query_vars['network_id'] );
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if ( ! empty( $network_id ) ) {
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$this->sql_clauses['where']['network_id'] = $wpdb->prepare( 'site_id = %d', $network_id );
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}
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// Parse site network IDs for an IN clause.
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if ( ! empty( $this->query_vars['network__in'] ) ) {
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$this->sql_clauses['where']['network__in'] = 'site_id IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['network__in'] ) ) . ' )';
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}
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// Parse site network IDs for a NOT IN clause.
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if ( ! empty( $this->query_vars['network__not_in'] ) ) {
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$this->sql_clauses['where']['network__not_in'] = 'site_id NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['network__not_in'] ) ) . ' )';
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}
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if ( ! empty( $this->query_vars['domain'] ) ) {
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$this->sql_clauses['where']['domain'] = $wpdb->prepare( 'domain = %s', $this->query_vars['domain'] );
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}
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// Parse site domain for an IN clause.
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if ( is_array( $this->query_vars['domain__in'] ) ) {
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$this->sql_clauses['where']['domain__in'] = "domain IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['domain__in'] ) ) . "' )";
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}
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// Parse site domain for a NOT IN clause.
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if ( is_array( $this->query_vars['domain__not_in'] ) ) {
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$this->sql_clauses['where']['domain__not_in'] = "domain NOT IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['domain__not_in'] ) ) . "' )";
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}
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if ( ! empty( $this->query_vars['path'] ) ) {
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$this->sql_clauses['where']['path'] = $wpdb->prepare( 'path = %s', $this->query_vars['path'] );
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}
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// Parse site path for an IN clause.
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if ( is_array( $this->query_vars['path__in'] ) ) {
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$this->sql_clauses['where']['path__in'] = "path IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['path__in'] ) ) . "' )";
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}
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// Parse site path for a NOT IN clause.
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if ( is_array( $this->query_vars['path__not_in'] ) ) {
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$this->sql_clauses['where']['path__not_in'] = "path NOT IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['path__not_in'] ) ) . "' )";
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}
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if ( is_numeric( $this->query_vars['archived'] ) ) {
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$archived = absint( $this->query_vars['archived'] );
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$this->sql_clauses['where']['archived'] = $wpdb->prepare( "archived = %d ", $archived );
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}
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if ( is_numeric( $this->query_vars['mature'] ) ) {
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$mature = absint( $this->query_vars['mature'] );
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$this->sql_clauses['where']['mature'] = $wpdb->prepare( "mature = %d ", $mature );
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}
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if ( is_numeric( $this->query_vars['spam'] ) ) {
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$spam = absint( $this->query_vars['spam'] );
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$this->sql_clauses['where']['spam'] = $wpdb->prepare( "spam = %d ", $spam );
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}
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if ( is_numeric( $this->query_vars['deleted'] ) ) {
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$deleted = absint( $this->query_vars['deleted'] );
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$this->sql_clauses['where']['deleted'] = $wpdb->prepare( "deleted = %d ", $deleted );
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}
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if ( is_numeric( $this->query_vars['public'] ) ) {
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$public = absint( $this->query_vars['public'] );
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$this->sql_clauses['where']['public'] = $wpdb->prepare( "public = %d ", $public );
|
|
}
|
|
|
|
if ( is_numeric( $this->query_vars['lang_id'] ) ) {
|
|
$lang_id = absint( $this->query_vars['lang_id'] );
|
|
$this->sql_clauses['where']['lang_id'] = $wpdb->prepare( "lang_id = %d ", $lang_id );
|
|
}
|
|
|
|
// Parse site language IDs for an IN clause.
|
|
if ( ! empty( $this->query_vars['lang__in'] ) ) {
|
|
$this->sql_clauses['where']['lang__in'] = 'lang_id IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['lang__in'] ) ) . ' )';
|
|
}
|
|
|
|
// Parse site language IDs for a NOT IN clause.
|
|
if ( ! empty( $this->query_vars['lang__not_in'] ) ) {
|
|
$this->sql_clauses['where']['lang__not_in'] = 'lang_id NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['lang__not_in'] ) ) . ' )';
|
|
}
|
|
|
|
// Falsey search strings are ignored.
|
|
if ( strlen( $this->query_vars['search'] ) ) {
|
|
$search_columns = array();
|
|
|
|
if ( $this->query_vars['search_columns'] ) {
|
|
$search_columns = array_intersect( $this->query_vars['search_columns'], array( 'domain', 'path' ) );
|
|
}
|
|
|
|
if ( ! $search_columns ) {
|
|
$search_columns = array( 'domain', 'path' );
|
|
}
|
|
|
|
/**
|
|
* Filters the columns to search in a WP_Site_Query search.
|
|
*
|
|
* The default columns include 'domain' and 'path.
|
|
*
|
|
* @since 4.6.0
|
|
*
|
|
* @param array $search_columns Array of column names to be searched.
|
|
* @param string $search Text being searched.
|
|
* @param WP_Site_Query $this The current WP_Site_Query instance.
|
|
*/
|
|
$search_columns = apply_filters( 'site_search_columns', $search_columns, $this->query_vars['search'], $this );
|
|
|
|
$this->sql_clauses['where']['search'] = $this->get_search_sql( $this->query_vars['search'], $search_columns );
|
|
}
|
|
|
|
$date_query = $this->query_vars['date_query'];
|
|
if ( ! empty( $date_query ) && is_array( $date_query ) ) {
|
|
$this->date_query = new WP_Date_Query( $date_query, 'registered' );
|
|
$this->sql_clauses['where']['date_query'] = preg_replace( '/^\s*AND\s*/', '', $this->date_query->get_sql() );
|
|
}
|
|
|
|
$join = '';
|
|
|
|
$where = implode( ' AND ', $this->sql_clauses['where'] );
|
|
|
|
$pieces = array( 'fields', 'join', 'where', 'orderby', 'limits', 'groupby' );
|
|
|
|
/**
|
|
* Filters the site query clauses.
|
|
*
|
|
* @since 4.6.0
|
|
*
|
|
* @param array $pieces A compacted array of site query clauses.
|
|
* @param WP_Site_Query &$this Current instance of WP_Site_Query, passed by reference.
|
|
*/
|
|
$clauses = apply_filters_ref_array( 'sites_clauses', array( compact( $pieces ), &$this ) );
|
|
|
|
$fields = isset( $clauses['fields'] ) ? $clauses['fields'] : '';
|
|
$join = isset( $clauses['join'] ) ? $clauses['join'] : '';
|
|
$where = isset( $clauses['where'] ) ? $clauses['where'] : '';
|
|
$orderby = isset( $clauses['orderby'] ) ? $clauses['orderby'] : '';
|
|
$limits = isset( $clauses['limits'] ) ? $clauses['limits'] : '';
|
|
$groupby = isset( $clauses['groupby'] ) ? $clauses['groupby'] : '';
|
|
|
|
if ( $where ) {
|
|
$where = 'WHERE ' . $where;
|
|
}
|
|
|
|
if ( $groupby ) {
|
|
$groupby = 'GROUP BY ' . $groupby;
|
|
}
|
|
|
|
if ( $orderby ) {
|
|
$orderby = "ORDER BY $orderby";
|
|
}
|
|
|
|
$found_rows = '';
|
|
if ( ! $this->query_vars['no_found_rows'] ) {
|
|
$found_rows = 'SQL_CALC_FOUND_ROWS';
|
|
}
|
|
|
|
$this->sql_clauses['select'] = "SELECT $found_rows $fields";
|
|
$this->sql_clauses['from'] = "FROM $wpdb->blogs $join";
|
|
$this->sql_clauses['groupby'] = $groupby;
|
|
$this->sql_clauses['orderby'] = $orderby;
|
|
$this->sql_clauses['limits'] = $limits;
|
|
|
|
$this->request = "{$this->sql_clauses['select']} {$this->sql_clauses['from']} {$where} {$this->sql_clauses['groupby']} {$this->sql_clauses['orderby']} {$this->sql_clauses['limits']}";
|
|
|
|
if ( $this->query_vars['count'] ) {
|
|
return intval( $wpdb->get_var( $this->request ) );
|
|
}
|
|
|
|
$site_ids = $wpdb->get_col( $this->request );
|
|
|
|
return array_map( 'intval', $site_ids );
|
|
}
|
|
|
|
/**
|
|
* Populates found_sites and max_num_pages properties for the current query
|
|
* if the limit clause was used.
|
|
*
|
|
* @since 4.6.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*/
|
|
private function set_found_sites() {
|
|
global $wpdb;
|
|
|
|
if ( $this->query_vars['number'] && ! $this->query_vars['no_found_rows'] ) {
|
|
/**
|
|
* Filters the query used to retrieve found site count.
|
|
*
|
|
* @since 4.6.0
|
|
*
|
|
* @param string $found_sites_query SQL query. Default 'SELECT FOUND_ROWS()'.
|
|
* @param WP_Site_Query $site_query The `WP_Site_Query` instance.
|
|
*/
|
|
$found_sites_query = apply_filters( 'found_sites_query', 'SELECT FOUND_ROWS()', $this );
|
|
|
|
$this->found_sites = (int) $wpdb->get_var( $found_sites_query );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Used internally to generate an SQL string for searching across multiple columns.
|
|
*
|
|
* @since 4.6.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param string $string Search string.
|
|
* @param array $columns Columns to search.
|
|
* @return string Search SQL.
|
|
*/
|
|
protected function get_search_sql( $string, $columns ) {
|
|
global $wpdb;
|
|
|
|
if ( false !== strpos( $string, '*' ) ) {
|
|
$like = '%' . implode( '%', array_map( array( $wpdb, 'esc_like' ), explode( '*', $string ) ) ) . '%';
|
|
} else {
|
|
$like = '%' . $wpdb->esc_like( $string ) . '%';
|
|
}
|
|
|
|
$searches = array();
|
|
foreach ( $columns as $column ) {
|
|
$searches[] = $wpdb->prepare( "$column LIKE %s", $like );
|
|
}
|
|
|
|
return '(' . implode( ' OR ', $searches ) . ')';
|
|
}
|
|
|
|
/**
|
|
* Parses and sanitizes 'orderby' keys passed to the site query.
|
|
*
|
|
* @since 4.6.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param string $orderby Alias for the field to order by.
|
|
* @return string|false Value to used in the ORDER clause. False otherwise.
|
|
*/
|
|
protected function parse_orderby( $orderby ) {
|
|
global $wpdb;
|
|
|
|
$parsed = false;
|
|
|
|
switch ( $orderby ) {
|
|
case 'site__in':
|
|
$site__in = implode( ',', array_map( 'absint', $this->query_vars['site__in'] ) );
|
|
$parsed = "FIELD( {$wpdb->blogs}.blog_id, $site__in )";
|
|
break;
|
|
case 'network__in':
|
|
$network__in = implode( ',', array_map( 'absint', $this->query_vars['network__in'] ) );
|
|
$parsed = "FIELD( {$wpdb->blogs}.site_id, $network__in )";
|
|
break;
|
|
case 'domain':
|
|
case 'last_updated':
|
|
case 'path':
|
|
case 'registered':
|
|
$parsed = $orderby;
|
|
break;
|
|
case 'network_id':
|
|
$parsed = 'site_id';
|
|
break;
|
|
case 'domain_length':
|
|
$parsed = 'CHAR_LENGTH(domain)';
|
|
break;
|
|
case 'path_length':
|
|
$parsed = 'CHAR_LENGTH(path)';
|
|
break;
|
|
case 'id':
|
|
$parsed = 'blog_id';
|
|
break;
|
|
}
|
|
|
|
return $parsed;
|
|
}
|
|
|
|
/**
|
|
* Parses an 'order' query variable and cast it to 'ASC' or 'DESC' as necessary.
|
|
*
|
|
* @since 4.6.0
|
|
*
|
|
* @param string $order The 'order' query variable.
|
|
* @return string The sanitized 'order' query variable.
|
|
*/
|
|
protected function parse_order( $order ) {
|
|
if ( ! is_string( $order ) || empty( $order ) ) {
|
|
return 'ASC';
|
|
}
|
|
|
|
if ( 'ASC' === strtoupper( $order ) ) {
|
|
return 'ASC';
|
|
} else {
|
|
return 'DESC';
|
|
}
|
|
}
|
|
}
|