mirror of
https://github.com/WordPress/WordPress.git
synced 2024-12-27 11:38:01 +01:00
fb6d8bae49
Applying these specially-crafted `@see` tags allows the Code Reference parser to recognize and link these elements as actions and filters. See #36921. Built from https://develop.svn.wordpress.org/trunk@37539 git-svn-id: http://core.svn.wordpress.org/trunk@37507 1a063a9b-81f0-0310-95a4-ce76da25c4cd
1115 lines
39 KiB
PHP
1115 lines
39 KiB
PHP
<?php
|
|
/**
|
|
* Comment API: WP_Comment_Query class
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Comments
|
|
* @since 4.4.0
|
|
*/
|
|
|
|
/**
|
|
* Core class used for querying comments.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @see WP_Comment_Query::__construct() for accepted arguments.
|
|
*/
|
|
class WP_Comment_Query {
|
|
|
|
/**
|
|
* SQL for database query.
|
|
*
|
|
* @since 4.0.1
|
|
* @access public
|
|
* @var string
|
|
*/
|
|
public $request;
|
|
|
|
/**
|
|
* Metadata query container
|
|
*
|
|
* @since 3.5.0
|
|
* @access public
|
|
* @var object WP_Meta_Query
|
|
*/
|
|
public $meta_query = false;
|
|
|
|
/**
|
|
* Metadata query clauses.
|
|
*
|
|
* @since 4.4.0
|
|
* @access protected
|
|
* @var array
|
|
*/
|
|
protected $meta_query_clauses;
|
|
|
|
/**
|
|
* SQL query clauses.
|
|
*
|
|
* @since 4.4.0
|
|
* @access protected
|
|
* @var array
|
|
*/
|
|
protected $sql_clauses = array(
|
|
'select' => '',
|
|
'from' => '',
|
|
'where' => array(),
|
|
'groupby' => '',
|
|
'orderby' => '',
|
|
'limits' => '',
|
|
);
|
|
|
|
/**
|
|
* SQL WHERE clause.
|
|
*
|
|
* Stored after the {@see 'comments_clauses'} filter is run on the compiled WHERE sub-clauses.
|
|
*
|
|
* @since 4.4.2
|
|
* @access protected
|
|
* @var string
|
|
*/
|
|
protected $filtered_where_clause;
|
|
|
|
/**
|
|
* Date query container
|
|
*
|
|
* @since 3.7.0
|
|
* @access public
|
|
* @var object WP_Date_Query
|
|
*/
|
|
public $date_query = false;
|
|
|
|
/**
|
|
* Query vars set by the user.
|
|
*
|
|
* @since 3.1.0
|
|
* @access public
|
|
* @var array
|
|
*/
|
|
public $query_vars;
|
|
|
|
/**
|
|
* Default values for query vars.
|
|
*
|
|
* @since 4.2.0
|
|
* @access public
|
|
* @var array
|
|
*/
|
|
public $query_var_defaults;
|
|
|
|
/**
|
|
* List of comments located by the query.
|
|
*
|
|
* @since 4.0.0
|
|
* @access public
|
|
* @var array
|
|
*/
|
|
public $comments;
|
|
|
|
/**
|
|
* The amount of found comments for the current query.
|
|
*
|
|
* @since 4.4.0
|
|
* @access public
|
|
* @var int
|
|
*/
|
|
public $found_comments = 0;
|
|
|
|
/**
|
|
* The number of pages.
|
|
*
|
|
* @since 4.4.0
|
|
* @access public
|
|
* @var int
|
|
*/
|
|
public $max_num_pages = 0;
|
|
|
|
/**
|
|
* Make private/protected methods readable for backward compatibility.
|
|
*
|
|
* @since 4.0.0
|
|
* @access public
|
|
*
|
|
* @param callable $name Method to call.
|
|
* @param array $arguments Arguments to pass when calling.
|
|
* @return mixed|false Return value of the callback, false otherwise.
|
|
*/
|
|
public function __call( $name, $arguments ) {
|
|
if ( 'get_search_sql' === $name ) {
|
|
return call_user_func_array( array( $this, $name ), $arguments );
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Constructor.
|
|
*
|
|
* Sets up the comment query, based on the query vars passed.
|
|
*
|
|
* @since 4.2.0
|
|
* @since 4.4.0 `$parent__in` and `$parent__not_in` were added.
|
|
* @since 4.4.0 Order by `comment__in` was added. `$update_comment_meta_cache`, `$no_found_rows`,
|
|
* `$hierarchical`, and `$update_comment_post_cache` were added.
|
|
* @since 4.5.0 Introduced the `$author_url` argument.
|
|
* @access public
|
|
*
|
|
* @param string|array $query {
|
|
* Optional. Array or query string of comment query parameters. Default empty.
|
|
*
|
|
* @type string $author_email Comment author email address. Default empty.
|
|
* @type string $author_url Comment author URL. Default empty.
|
|
* @type array $author__in Array of author IDs to include comments for. Default empty.
|
|
* @type array $author__not_in Array of author IDs to exclude comments for. Default empty.
|
|
* @type array $comment__in Array of comment IDs to include. Default empty.
|
|
* @type array $comment__not_in Array of comment IDs to exclude. Default empty.
|
|
* @type bool $count Whether to return a comment count (true) or array of
|
|
* comment objects (false). Default false.
|
|
* @type array $date_query Date query clauses to limit comments by. See WP_Date_Query.
|
|
* Default null.
|
|
* @type string $fields Comment fields to return. Accepts 'ids' for comment IDs
|
|
* only or empty for all fields. Default empty.
|
|
* @type int $ID Currently unused.
|
|
* @type array $include_unapproved Array of IDs or email addresses of users whose unapproved
|
|
* comments will be returned by the query regardless of
|
|
* `$status`. Default empty.
|
|
* @type int $karma Karma score to retrieve matching comments for.
|
|
* Default empty.
|
|
* @type string $meta_key Include comments with a matching comment meta key.
|
|
* Default empty.
|
|
* @type string $meta_value Include comments with a matching comment meta value.
|
|
* Requires `$meta_key` to be set. Default empty.
|
|
* @type array $meta_query Meta query clauses to limit retrieved comments by.
|
|
* See WP_Meta_Query. Default empty.
|
|
* @type int $number Maximum number of comments to retrieve.
|
|
* Default null (no limit).
|
|
* @type int $offset Number of comments to offset the query. Used to build
|
|
* LIMIT clause. Default 0.
|
|
* @type bool $no_found_rows Whether to disable the `SQL_CALC_FOUND_ROWS` query.
|
|
* Default: true.
|
|
* @type string|array $orderby Comment status or array of statuses. To use 'meta_value'
|
|
* or 'meta_value_num', `$meta_key` must also be defined.
|
|
* To sort by a specific `$meta_query` clause, use that
|
|
* clause's array key. Accepts 'comment_agent',
|
|
* 'comment_approved', 'comment_author',
|
|
* 'comment_author_email', 'comment_author_IP',
|
|
* 'comment_author_url', 'comment_content', 'comment_date',
|
|
* 'comment_date_gmt', 'comment_ID', 'comment_karma',
|
|
* 'comment_parent', 'comment_post_ID', 'comment_type',
|
|
* 'user_id', 'comment__in', 'meta_value', 'meta_value_num',
|
|
* the value of $meta_key, and the array keys of
|
|
* `$meta_query`. Also accepts false, an empty array, or
|
|
* 'none' to disable `ORDER BY` clause.
|
|
* Default: 'comment_date_gmt'.
|
|
* @type string $order How to order retrieved comments. Accepts 'ASC', 'DESC'.
|
|
* Default: 'DESC'.
|
|
* @type int $parent Parent ID of comment to retrieve children of.
|
|
* Default empty.
|
|
* @type array $parent__in Array of parent IDs of comments to retrieve children for.
|
|
* Default empty.
|
|
* @type array $parent__not_in Array of parent IDs of comments *not* to retrieve
|
|
* children for. Default empty.
|
|
* @type array $post_author__in Array of author IDs to retrieve comments for.
|
|
* Default empty.
|
|
* @type array $post_author__not_in Array of author IDs *not* to retrieve comments for.
|
|
* Default empty.
|
|
* @type int $post_ID Currently unused.
|
|
* @type int $post_id Limit results to those affiliated with a given post ID.
|
|
* Default 0.
|
|
* @type array $post__in Array of post IDs to include affiliated comments for.
|
|
* Default empty.
|
|
* @type array $post__not_in Array of post IDs to exclude affiliated comments for.
|
|
* Default empty.
|
|
* @type int $post_author Post author ID to limit results by. Default empty.
|
|
* @type string|array $post_status Post status or array of post statuses to retrieve
|
|
* affiliated comments for. Pass 'any' to match any value.
|
|
* Default empty.
|
|
* @type string $post_type Post type or array of post types to retrieve affiliated
|
|
* comments for. Pass 'any' to match any value. Default empty.
|
|
* @type string $post_name Post name to retrieve affiliated comments for.
|
|
* Default empty.
|
|
* @type int $post_parent Post parent ID to retrieve affiliated comments for.
|
|
* Default empty.
|
|
* @type string $search Search term(s) to retrieve matching comments for.
|
|
* Default empty.
|
|
* @type string $status Comment status to limit results by. Accepts 'hold'
|
|
* (`comment_status=0`), 'approve' (`comment_status=1`),
|
|
* 'all', or a custom comment status. Default 'all'.
|
|
* @type string|array $type Include comments of a given type, or array of types.
|
|
* Accepts 'comment', 'pings' (includes 'pingback' and
|
|
* 'trackback'), or anycustom type string. Default empty.
|
|
* @type array $type__in Include comments from a given array of comment types.
|
|
* Default empty.
|
|
* @type array $type__not_in Exclude comments from a given array of comment types.
|
|
* Default empty.
|
|
* @type int $user_id Include comments for a specific user ID. Default empty.
|
|
* @type bool|string $hierarchical Whether to include comment descendants in the results.
|
|
* 'threaded' returns a tree, with each comment's children
|
|
* stored in a `children` property on the `WP_Comment`
|
|
* object. 'flat' returns a flat array of found comments plus
|
|
* their children. Pass `false` to leave out descendants.
|
|
* The parameter is ignored (forced to `false`) when
|
|
* `$fields` is 'ids' or 'counts'. Accepts 'threaded',
|
|
* 'flat', or false. Default: false.
|
|
* @type bool $update_comment_meta_cache Whether to prime the metadata cache for found comments.
|
|
* Default true.
|
|
* @type bool $update_comment_post_cache Whether to prime the cache for comment posts.
|
|
* Default false.
|
|
* }
|
|
*/
|
|
public function __construct( $query = '' ) {
|
|
$this->query_var_defaults = array(
|
|
'author_email' => '',
|
|
'author_url' => '',
|
|
'author__in' => '',
|
|
'author__not_in' => '',
|
|
'include_unapproved' => '',
|
|
'fields' => '',
|
|
'ID' => '',
|
|
'comment__in' => '',
|
|
'comment__not_in' => '',
|
|
'karma' => '',
|
|
'number' => '',
|
|
'offset' => '',
|
|
'no_found_rows' => true,
|
|
'orderby' => '',
|
|
'order' => 'DESC',
|
|
'parent' => '',
|
|
'parent__in' => '',
|
|
'parent__not_in' => '',
|
|
'post_author__in' => '',
|
|
'post_author__not_in' => '',
|
|
'post_ID' => '',
|
|
'post_id' => 0,
|
|
'post__in' => '',
|
|
'post__not_in' => '',
|
|
'post_author' => '',
|
|
'post_name' => '',
|
|
'post_parent' => '',
|
|
'post_status' => '',
|
|
'post_type' => '',
|
|
'status' => 'all',
|
|
'type' => '',
|
|
'type__in' => '',
|
|
'type__not_in' => '',
|
|
'user_id' => '',
|
|
'search' => '',
|
|
'count' => false,
|
|
'meta_key' => '',
|
|
'meta_value' => '',
|
|
'meta_query' => '',
|
|
'date_query' => null, // See WP_Date_Query
|
|
'hierarchical' => false,
|
|
'update_comment_meta_cache' => true,
|
|
'update_comment_post_cache' => false,
|
|
);
|
|
|
|
if ( ! empty( $query ) ) {
|
|
$this->query( $query );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse arguments passed to the comment query with default query parameters.
|
|
*
|
|
* @since 4.2.0 Extracted from WP_Comment_Query::query().
|
|
*
|
|
* @access public
|
|
*
|
|
* @param string|array $query WP_Comment_Query arguments. See WP_Comment_Query::__construct()
|
|
*/
|
|
public function parse_query( $query = '' ) {
|
|
if ( empty( $query ) ) {
|
|
$query = $this->query_vars;
|
|
}
|
|
|
|
$this->query_vars = wp_parse_args( $query, $this->query_var_defaults );
|
|
|
|
/**
|
|
* Fires after the comment query vars have been parsed.
|
|
*
|
|
* @since 4.2.0
|
|
*
|
|
* @param WP_Comment_Query &$this The WP_Comment_Query instance (passed by reference).
|
|
*/
|
|
do_action_ref_array( 'parse_comment_query', array( &$this ) );
|
|
}
|
|
|
|
/**
|
|
* Sets up the WordPress query for retrieving comments.
|
|
*
|
|
* @since 3.1.0
|
|
* @since 4.1.0 Introduced 'comment__in', 'comment__not_in', 'post_author__in',
|
|
* 'post_author__not_in', 'author__in', 'author__not_in', 'post__in',
|
|
* 'post__not_in', 'include_unapproved', 'type__in', and 'type__not_in'
|
|
* arguments to $query_vars.
|
|
* @since 4.2.0 Moved parsing to WP_Comment_Query::parse_query().
|
|
* @access public
|
|
*
|
|
* @param string|array $query Array or URL query string of parameters.
|
|
* @return array|int List of comments, or number of comments when 'count' is passed as a query var.
|
|
*/
|
|
public function query( $query ) {
|
|
$this->query_vars = wp_parse_args( $query );
|
|
return $this->get_comments();
|
|
}
|
|
|
|
/**
|
|
* Get a list of comments matching the query vars.
|
|
*
|
|
* @since 4.2.0
|
|
* @access public
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @return int|array List of comments or number of found comments if `$count` argument is true.
|
|
*/
|
|
public function get_comments() {
|
|
global $wpdb;
|
|
|
|
$this->parse_query();
|
|
|
|
// Parse meta query
|
|
$this->meta_query = new WP_Meta_Query();
|
|
$this->meta_query->parse_query_vars( $this->query_vars );
|
|
|
|
/**
|
|
* Fires before comments are retrieved.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
|
|
*/
|
|
do_action_ref_array( 'pre_get_comments', array( &$this ) );
|
|
|
|
// Reparse query vars, in case they were modified in a 'pre_get_comments' callback.
|
|
$this->meta_query->parse_query_vars( $this->query_vars );
|
|
if ( ! empty( $this->meta_query->queries ) ) {
|
|
$this->meta_query_clauses = $this->meta_query->get_sql( 'comment', $wpdb->comments, 'comment_ID', $this );
|
|
}
|
|
|
|
// $args can include anything. Only use the args defined in the query_var_defaults to compute the key.
|
|
$key = md5( serialize( wp_array_slice_assoc( $this->query_vars, array_keys( $this->query_var_defaults ) ) ) );
|
|
$last_changed = wp_cache_get( 'last_changed', 'comment' );
|
|
if ( ! $last_changed ) {
|
|
$last_changed = microtime();
|
|
wp_cache_set( 'last_changed', $last_changed, 'comment' );
|
|
}
|
|
$cache_key = "get_comment_ids:$key:$last_changed";
|
|
|
|
$comment_ids = wp_cache_get( $cache_key, 'comment' );
|
|
if ( false === $comment_ids ) {
|
|
$comment_ids = $this->get_comment_ids();
|
|
wp_cache_add( $cache_key, $comment_ids, 'comment' );
|
|
}
|
|
|
|
// If querying for a count only, there's nothing more to do.
|
|
if ( $this->query_vars['count'] ) {
|
|
// $comment_ids is actually a count in this case.
|
|
return intval( $comment_ids );
|
|
}
|
|
|
|
$comment_ids = array_map( 'intval', $comment_ids );
|
|
|
|
$this->comment_count = count( $this->comments );
|
|
|
|
if ( $comment_ids && $this->query_vars['number'] && ! $this->query_vars['no_found_rows'] ) {
|
|
/**
|
|
* Filters the query used to retrieve found comment count.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param string $found_comments_query SQL query. Default 'SELECT FOUND_ROWS()'.
|
|
* @param WP_Comment_Query $comment_query The `WP_Comment_Query` instance.
|
|
*/
|
|
$found_comments_query = apply_filters( 'found_comments_query', 'SELECT FOUND_ROWS()', $this );
|
|
$this->found_comments = (int) $wpdb->get_var( $found_comments_query );
|
|
|
|
$this->max_num_pages = ceil( $this->found_comments / $this->query_vars['number'] );
|
|
}
|
|
|
|
if ( 'ids' == $this->query_vars['fields'] ) {
|
|
$this->comments = $comment_ids;
|
|
return $this->comments;
|
|
}
|
|
|
|
_prime_comment_caches( $comment_ids, $this->query_vars['update_comment_meta_cache'] );
|
|
|
|
// Fetch full comment objects from the primed cache.
|
|
$_comments = array();
|
|
foreach ( $comment_ids as $comment_id ) {
|
|
if ( $_comment = get_comment( $comment_id ) ) {
|
|
$_comments[] = $_comment;
|
|
}
|
|
}
|
|
|
|
// Prime comment post caches.
|
|
if ( $this->query_vars['update_comment_post_cache'] ) {
|
|
$comment_post_ids = array();
|
|
foreach ( $_comments as $_comment ) {
|
|
$comment_post_ids[] = $_comment->comment_post_ID;
|
|
}
|
|
|
|
_prime_post_caches( $comment_post_ids, false, false );
|
|
}
|
|
|
|
/**
|
|
* Filters the comment query results.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param array $results An array of comments.
|
|
* @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
|
|
*/
|
|
$_comments = apply_filters_ref_array( 'the_comments', array( $_comments, &$this ) );
|
|
|
|
// Convert to WP_Comment instances
|
|
$comments = array_map( 'get_comment', $_comments );
|
|
|
|
if ( $this->query_vars['hierarchical'] ) {
|
|
$comments = $this->fill_descendants( $comments );
|
|
}
|
|
|
|
$this->comments = $comments;
|
|
return $this->comments;
|
|
}
|
|
|
|
/**
|
|
* Used internally to get a list of comment IDs matching the query vars.
|
|
*
|
|
* @since 4.4.0
|
|
* @access protected
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*/
|
|
protected function get_comment_ids() {
|
|
global $wpdb;
|
|
|
|
// Assemble clauses related to 'comment_approved'.
|
|
$approved_clauses = array();
|
|
|
|
// 'status' accepts an array or a comma-separated string.
|
|
$status_clauses = array();
|
|
$statuses = $this->query_vars['status'];
|
|
if ( ! is_array( $statuses ) ) {
|
|
$statuses = preg_split( '/[\s,]+/', $statuses );
|
|
}
|
|
|
|
// 'any' overrides other statuses.
|
|
if ( ! in_array( 'any', $statuses ) ) {
|
|
foreach ( $statuses as $status ) {
|
|
switch ( $status ) {
|
|
case 'hold' :
|
|
$status_clauses[] = "comment_approved = '0'";
|
|
break;
|
|
|
|
case 'approve' :
|
|
$status_clauses[] = "comment_approved = '1'";
|
|
break;
|
|
|
|
case 'all' :
|
|
case '' :
|
|
$status_clauses[] = "( comment_approved = '0' OR comment_approved = '1' )";
|
|
break;
|
|
|
|
default :
|
|
$status_clauses[] = $wpdb->prepare( "comment_approved = %s", $status );
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( ! empty( $status_clauses ) ) {
|
|
$approved_clauses[] = '( ' . implode( ' OR ', $status_clauses ) . ' )';
|
|
}
|
|
}
|
|
|
|
// User IDs or emails whose unapproved comments are included, regardless of $status.
|
|
if ( ! empty( $this->query_vars['include_unapproved'] ) ) {
|
|
$include_unapproved = $this->query_vars['include_unapproved'];
|
|
|
|
// Accepts arrays or comma-separated strings.
|
|
if ( ! is_array( $include_unapproved ) ) {
|
|
$include_unapproved = preg_split( '/[\s,]+/', $include_unapproved );
|
|
}
|
|
|
|
$unapproved_ids = $unapproved_emails = array();
|
|
foreach ( $include_unapproved as $unapproved_identifier ) {
|
|
// Numeric values are assumed to be user ids.
|
|
if ( is_numeric( $unapproved_identifier ) ) {
|
|
$approved_clauses[] = $wpdb->prepare( "( user_id = %d AND comment_approved = '0' )", $unapproved_identifier );
|
|
|
|
// Otherwise we match against email addresses.
|
|
} else {
|
|
$approved_clauses[] = $wpdb->prepare( "( comment_author_email = %s AND comment_approved = '0' )", $unapproved_identifier );
|
|
}
|
|
}
|
|
}
|
|
|
|
// Collapse comment_approved clauses into a single OR-separated clause.
|
|
if ( ! empty( $approved_clauses ) ) {
|
|
if ( 1 === count( $approved_clauses ) ) {
|
|
$this->sql_clauses['where']['approved'] = $approved_clauses[0];
|
|
} else {
|
|
$this->sql_clauses['where']['approved'] = '( ' . implode( ' OR ', $approved_clauses ) . ' )';
|
|
}
|
|
}
|
|
|
|
$order = ( 'ASC' == strtoupper( $this->query_vars['order'] ) ) ? 'ASC' : 'DESC';
|
|
|
|
// Disable ORDER BY with 'none', an empty array, or boolean false.
|
|
if ( in_array( $this->query_vars['orderby'], array( 'none', array(), false ), true ) ) {
|
|
$orderby = '';
|
|
} elseif ( ! empty( $this->query_vars['orderby'] ) ) {
|
|
$ordersby = is_array( $this->query_vars['orderby'] ) ?
|
|
$this->query_vars['orderby'] :
|
|
preg_split( '/[,\s]/', $this->query_vars['orderby'] );
|
|
|
|
$orderby_array = array();
|
|
$found_orderby_comment_ID = false;
|
|
foreach ( $ordersby as $_key => $_value ) {
|
|
if ( ! $_value ) {
|
|
continue;
|
|
}
|
|
|
|
if ( is_int( $_key ) ) {
|
|
$_orderby = $_value;
|
|
$_order = $order;
|
|
} else {
|
|
$_orderby = $_key;
|
|
$_order = $_value;
|
|
}
|
|
|
|
if ( ! $found_orderby_comment_ID && in_array( $_orderby, array( 'comment_ID', 'comment__in' ) ) ) {
|
|
$found_orderby_comment_ID = true;
|
|
}
|
|
|
|
$parsed = $this->parse_orderby( $_orderby );
|
|
|
|
if ( ! $parsed ) {
|
|
continue;
|
|
}
|
|
|
|
if ( 'comment__in' === $_orderby ) {
|
|
$orderby_array[] = $parsed;
|
|
continue;
|
|
}
|
|
|
|
$orderby_array[] = $parsed . ' ' . $this->parse_order( $_order );
|
|
}
|
|
|
|
// If no valid clauses were found, order by comment_date_gmt.
|
|
if ( empty( $orderby_array ) ) {
|
|
$orderby_array[] = "$wpdb->comments.comment_date_gmt $order";
|
|
}
|
|
|
|
// To ensure determinate sorting, always include a comment_ID clause.
|
|
if ( ! $found_orderby_comment_ID ) {
|
|
$comment_ID_order = '';
|
|
|
|
// Inherit order from comment_date or comment_date_gmt, if available.
|
|
foreach ( $orderby_array as $orderby_clause ) {
|
|
if ( preg_match( '/comment_date(?:_gmt)*\ (ASC|DESC)/', $orderby_clause, $match ) ) {
|
|
$comment_ID_order = $match[1];
|
|
break;
|
|
}
|
|
}
|
|
|
|
// If no date-related order is available, use the date from the first available clause.
|
|
if ( ! $comment_ID_order ) {
|
|
foreach ( $orderby_array as $orderby_clause ) {
|
|
if ( false !== strpos( 'ASC', $orderby_clause ) ) {
|
|
$comment_ID_order = 'ASC';
|
|
} else {
|
|
$comment_ID_order = 'DESC';
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Default to DESC.
|
|
if ( ! $comment_ID_order ) {
|
|
$comment_ID_order = 'DESC';
|
|
}
|
|
|
|
$orderby_array[] = "$wpdb->comments.comment_ID $comment_ID_order";
|
|
}
|
|
|
|
$orderby = implode( ', ', $orderby_array );
|
|
} else {
|
|
$orderby = "$wpdb->comments.comment_date_gmt $order";
|
|
}
|
|
|
|
$number = absint( $this->query_vars['number'] );
|
|
$offset = absint( $this->query_vars['offset'] );
|
|
|
|
if ( ! empty( $number ) ) {
|
|
if ( $offset ) {
|
|
$limits = 'LIMIT ' . $offset . ',' . $number;
|
|
} else {
|
|
$limits = 'LIMIT ' . $number;
|
|
}
|
|
}
|
|
|
|
if ( $this->query_vars['count'] ) {
|
|
$fields = 'COUNT(*)';
|
|
} else {
|
|
$fields = "$wpdb->comments.comment_ID";
|
|
}
|
|
|
|
$post_id = absint( $this->query_vars['post_id'] );
|
|
if ( ! empty( $post_id ) ) {
|
|
$this->sql_clauses['where']['post_id'] = $wpdb->prepare( 'comment_post_ID = %d', $post_id );
|
|
}
|
|
|
|
// Parse comment IDs for an IN clause.
|
|
if ( ! empty( $this->query_vars['comment__in'] ) ) {
|
|
$this->sql_clauses['where']['comment__in'] = "$wpdb->comments.comment_ID IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['comment__in'] ) ) . ' )';
|
|
}
|
|
|
|
// Parse comment IDs for a NOT IN clause.
|
|
if ( ! empty( $this->query_vars['comment__not_in'] ) ) {
|
|
$this->sql_clauses['where']['comment__not_in'] = "$wpdb->comments.comment_ID NOT IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['comment__not_in'] ) ) . ' )';
|
|
}
|
|
|
|
// Parse comment parent IDs for an IN clause.
|
|
if ( ! empty( $this->query_vars['parent__in'] ) ) {
|
|
$this->sql_clauses['where']['parent__in'] = 'comment_parent IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['parent__in'] ) ) . ' )';
|
|
}
|
|
|
|
// Parse comment parent IDs for a NOT IN clause.
|
|
if ( ! empty( $this->query_vars['parent__not_in'] ) ) {
|
|
$this->sql_clauses['where']['parent__not_in'] = 'comment_parent NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['parent__not_in'] ) ) . ' )';
|
|
}
|
|
|
|
// Parse comment post IDs for an IN clause.
|
|
if ( ! empty( $this->query_vars['post__in'] ) ) {
|
|
$this->sql_clauses['where']['post__in'] = 'comment_post_ID IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post__in'] ) ) . ' )';
|
|
}
|
|
|
|
// Parse comment post IDs for a NOT IN clause.
|
|
if ( ! empty( $this->query_vars['post__not_in'] ) ) {
|
|
$this->sql_clauses['where']['post__not_in'] = 'comment_post_ID NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post__not_in'] ) ) . ' )';
|
|
}
|
|
|
|
if ( '' !== $this->query_vars['author_email'] ) {
|
|
$this->sql_clauses['where']['author_email'] = $wpdb->prepare( 'comment_author_email = %s', $this->query_vars['author_email'] );
|
|
}
|
|
|
|
if ( '' !== $this->query_vars['author_url'] ) {
|
|
$this->sql_clauses['where']['author_url'] = $wpdb->prepare( 'comment_author_url = %s', $this->query_vars['author_url'] );
|
|
}
|
|
|
|
if ( '' !== $this->query_vars['karma'] ) {
|
|
$this->sql_clauses['where']['karma'] = $wpdb->prepare( 'comment_karma = %d', $this->query_vars['karma'] );
|
|
}
|
|
|
|
// Filtering by comment_type: 'type', 'type__in', 'type__not_in'.
|
|
$raw_types = array(
|
|
'IN' => array_merge( (array) $this->query_vars['type'], (array) $this->query_vars['type__in'] ),
|
|
'NOT IN' => (array) $this->query_vars['type__not_in'],
|
|
);
|
|
|
|
$comment_types = array();
|
|
foreach ( $raw_types as $operator => $_raw_types ) {
|
|
$_raw_types = array_unique( $_raw_types );
|
|
|
|
foreach ( $_raw_types as $type ) {
|
|
switch ( $type ) {
|
|
// An empty translates to 'all', for backward compatibility
|
|
case '':
|
|
case 'all' :
|
|
break;
|
|
|
|
case 'comment':
|
|
case 'comments':
|
|
$comment_types[ $operator ][] = "''";
|
|
break;
|
|
|
|
case 'pings':
|
|
$comment_types[ $operator ][] = "'pingback'";
|
|
$comment_types[ $operator ][] = "'trackback'";
|
|
break;
|
|
|
|
default:
|
|
$comment_types[ $operator ][] = $wpdb->prepare( '%s', $type );
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( ! empty( $comment_types[ $operator ] ) ) {
|
|
$types_sql = implode( ', ', $comment_types[ $operator ] );
|
|
$this->sql_clauses['where']['comment_type__' . strtolower( str_replace( ' ', '_', $operator ) ) ] = "comment_type $operator ($types_sql)";
|
|
}
|
|
}
|
|
|
|
if ( $this->query_vars['hierarchical'] && ! $this->query_vars['parent'] ) {
|
|
$this->query_vars['parent'] = 0;
|
|
}
|
|
|
|
if ( '' !== $this->query_vars['parent'] ) {
|
|
$this->sql_clauses['where']['parent'] = $wpdb->prepare( 'comment_parent = %d', $this->query_vars['parent'] );
|
|
}
|
|
|
|
if ( is_array( $this->query_vars['user_id'] ) ) {
|
|
$this->sql_clauses['where']['user_id'] = 'user_id IN (' . implode( ',', array_map( 'absint', $this->query_vars['user_id'] ) ) . ')';
|
|
} elseif ( '' !== $this->query_vars['user_id'] ) {
|
|
$this->sql_clauses['where']['user_id'] = $wpdb->prepare( 'user_id = %d', $this->query_vars['user_id'] );
|
|
}
|
|
|
|
// Falsy search strings are ignored.
|
|
if ( strlen( $this->query_vars['search'] ) ) {
|
|
$search_sql = $this->get_search_sql(
|
|
$this->query_vars['search'],
|
|
array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_content' )
|
|
);
|
|
|
|
// Strip leading 'AND'.
|
|
$this->sql_clauses['where']['search'] = preg_replace( '/^\s*AND\s*/', '', $search_sql );
|
|
}
|
|
|
|
// If any post-related query vars are passed, join the posts table.
|
|
$join_posts_table = false;
|
|
$plucked = wp_array_slice_assoc( $this->query_vars, array( 'post_author', 'post_name', 'post_parent' ) );
|
|
$post_fields = array_filter( $plucked );
|
|
|
|
if ( ! empty( $post_fields ) ) {
|
|
$join_posts_table = true;
|
|
foreach ( $post_fields as $field_name => $field_value ) {
|
|
// $field_value may be an array.
|
|
$esses = array_fill( 0, count( (array) $field_value ), '%s' );
|
|
$this->sql_clauses['where'][ $field_name ] = $wpdb->prepare( " {$wpdb->posts}.{$field_name} IN (" . implode( ',', $esses ) . ')', $field_value );
|
|
}
|
|
}
|
|
|
|
// 'post_status' and 'post_type' are handled separately, due to the specialized behavior of 'any'.
|
|
foreach ( array( 'post_status', 'post_type' ) as $field_name ) {
|
|
$q_values = array();
|
|
if ( ! empty( $this->query_vars[ $field_name ] ) ) {
|
|
$q_values = $this->query_vars[ $field_name ];
|
|
if ( ! is_array( $q_values ) ) {
|
|
$q_values = explode( ',', $q_values );
|
|
}
|
|
|
|
// 'any' will cause the query var to be ignored.
|
|
if ( in_array( 'any', $q_values, true ) || empty( $q_values ) ) {
|
|
continue;
|
|
}
|
|
|
|
$join_posts_table = true;
|
|
|
|
$esses = array_fill( 0, count( $q_values ), '%s' );
|
|
$this->sql_clauses['where'][ $field_name ] = $wpdb->prepare( " {$wpdb->posts}.{$field_name} IN (" . implode( ',', $esses ) . ")", $q_values );
|
|
}
|
|
}
|
|
|
|
// Comment author IDs for an IN clause.
|
|
if ( ! empty( $this->query_vars['author__in'] ) ) {
|
|
$this->sql_clauses['where']['author__in'] = 'user_id IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['author__in'] ) ) . ' )';
|
|
}
|
|
|
|
// Comment author IDs for a NOT IN clause.
|
|
if ( ! empty( $this->query_vars['author__not_in'] ) ) {
|
|
$this->sql_clauses['where']['author__not_in'] = 'user_id NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['author__not_in'] ) ) . ' )';
|
|
}
|
|
|
|
// Post author IDs for an IN clause.
|
|
if ( ! empty( $this->query_vars['post_author__in'] ) ) {
|
|
$join_posts_table = true;
|
|
$this->sql_clauses['where']['post_author__in'] = 'post_author IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post_author__in'] ) ) . ' )';
|
|
}
|
|
|
|
// Post author IDs for a NOT IN clause.
|
|
if ( ! empty( $this->query_vars['post_author__not_in'] ) ) {
|
|
$join_posts_table = true;
|
|
$this->sql_clauses['where']['post_author__not_in'] = 'post_author NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post_author__not_in'] ) ) . ' )';
|
|
}
|
|
|
|
$join = '';
|
|
|
|
if ( $join_posts_table ) {
|
|
$join .= "JOIN $wpdb->posts ON $wpdb->posts.ID = $wpdb->comments.comment_post_ID";
|
|
}
|
|
|
|
if ( ! empty( $this->meta_query_clauses ) ) {
|
|
$join .= $this->meta_query_clauses['join'];
|
|
|
|
// Strip leading 'AND'.
|
|
$this->sql_clauses['where']['meta_query'] = preg_replace( '/^\s*AND\s*/', '', $this->meta_query_clauses['where'] );
|
|
|
|
if ( ! $this->query_vars['count'] ) {
|
|
$groupby = "{$wpdb->comments}.comment_ID";
|
|
}
|
|
}
|
|
|
|
if ( ! empty( $this->query_vars['date_query'] ) && is_array( $this->query_vars['date_query'] ) ) {
|
|
$this->date_query = new WP_Date_Query( $this->query_vars['date_query'], 'comment_date' );
|
|
$this->sql_clauses['where']['date_query'] = preg_replace( '/^\s*AND\s*/', '', $this->date_query->get_sql() );
|
|
}
|
|
|
|
$where = implode( ' AND ', $this->sql_clauses['where'] );
|
|
|
|
$pieces = array( 'fields', 'join', 'where', 'orderby', 'limits', 'groupby' );
|
|
/**
|
|
* Filters the comment query clauses.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param array $pieces A compacted array of comment query clauses.
|
|
* @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
|
|
*/
|
|
$clauses = apply_filters_ref_array( 'comments_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' ] : '';
|
|
|
|
$this->filtered_where_clause = $where;
|
|
|
|
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->comments $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 ) );
|
|
} else {
|
|
$comment_ids = $wpdb->get_col( $this->request );
|
|
return array_map( 'intval', $comment_ids );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fetch descendants for located comments.
|
|
*
|
|
* Instead of calling `get_children()` separately on each child comment, we do a single set of queries to fetch
|
|
* the descendant trees for all matched top-level comments.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param array $comments Array of top-level comments whose descendants should be filled in.
|
|
* @return array
|
|
*/
|
|
protected function fill_descendants( $comments ) {
|
|
global $wpdb;
|
|
|
|
$levels = array(
|
|
0 => wp_list_pluck( $comments, 'comment_ID' ),
|
|
);
|
|
|
|
/*
|
|
* The WHERE clause for the descendant query is the same as for the top-level
|
|
* query, minus the `parent`, `parent__in`, and `parent__not_in` sub-clauses.
|
|
*/
|
|
$_where = $this->filtered_where_clause;
|
|
$exclude_keys = array( 'parent', 'parent__in', 'parent__not_in' );
|
|
foreach ( $exclude_keys as $exclude_key ) {
|
|
if ( isset( $this->sql_clauses['where'][ $exclude_key ] ) ) {
|
|
$clause = $this->sql_clauses['where'][ $exclude_key ];
|
|
|
|
// Strip the clause as well as any adjacent ANDs.
|
|
$pattern = '|(?:AND)?\s*' . $clause . '\s*(?:AND)?|';
|
|
$_where_parts = preg_split( $pattern, $_where );
|
|
|
|
// Remove empties.
|
|
$_where_parts = array_filter( array_map( 'trim', $_where_parts ) );
|
|
|
|
// Reassemble with an AND.
|
|
$_where = implode( ' AND ', $_where_parts );
|
|
}
|
|
}
|
|
|
|
// Fetch an entire level of the descendant tree at a time.
|
|
$level = 0;
|
|
do {
|
|
$parent_ids = $levels[ $level ];
|
|
if ( ! $parent_ids ) {
|
|
break;
|
|
}
|
|
|
|
$where = 'WHERE ' . $_where . ' AND comment_parent IN (' . implode( ',', array_map( 'intval', $parent_ids ) ) . ')';
|
|
$comment_ids = $wpdb->get_col( "{$this->sql_clauses['select']} {$this->sql_clauses['from']} {$where} {$this->sql_clauses['groupby']} ORDER BY comment_date_gmt ASC, comment_ID ASC" );
|
|
|
|
$level++;
|
|
$levels[ $level ] = $comment_ids;
|
|
} while ( $comment_ids );
|
|
|
|
// Prime comment caches for non-top-level comments.
|
|
$descendant_ids = array();
|
|
for ( $i = 1; $i < count( $levels ); $i++ ) {
|
|
$descendant_ids = array_merge( $descendant_ids, $levels[ $i ] );
|
|
}
|
|
|
|
_prime_comment_caches( $descendant_ids, $this->query_vars['update_comment_meta_cache'] );
|
|
|
|
// Assemble a flat array of all comments + descendants.
|
|
$all_comments = $comments;
|
|
foreach ( $descendant_ids as $descendant_id ) {
|
|
$all_comments[] = get_comment( $descendant_id );
|
|
}
|
|
|
|
// If a threaded representation was requested, build the tree.
|
|
if ( 'threaded' === $this->query_vars['hierarchical'] ) {
|
|
$threaded_comments = $ref = array();
|
|
foreach ( $all_comments as $k => $c ) {
|
|
$_c = get_comment( $c->comment_ID );
|
|
|
|
// If the comment isn't in the reference array, it goes in the top level of the thread.
|
|
if ( ! isset( $ref[ $c->comment_parent ] ) ) {
|
|
$threaded_comments[ $_c->comment_ID ] = $_c;
|
|
$ref[ $_c->comment_ID ] = $threaded_comments[ $_c->comment_ID ];
|
|
|
|
// Otherwise, set it as a child of its parent.
|
|
} else {
|
|
|
|
$ref[ $_c->comment_parent ]->add_child( $_c );
|
|
$ref[ $_c->comment_ID ] = $ref[ $_c->comment_parent ]->get_child( $_c->comment_ID );
|
|
}
|
|
}
|
|
|
|
// Set the 'populated_children' flag, to ensure additional database queries aren't run.
|
|
foreach ( $ref as $_ref ) {
|
|
$_ref->populated_children( true );
|
|
}
|
|
|
|
$comments = $threaded_comments;
|
|
} else {
|
|
$comments = $all_comments;
|
|
}
|
|
|
|
return $comments;
|
|
}
|
|
|
|
/**
|
|
* Used internally to generate an SQL string for searching across multiple columns
|
|
*
|
|
* @since 3.1.0
|
|
* @access protected
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param string $string
|
|
* @param array $cols
|
|
* @return string
|
|
*/
|
|
protected function get_search_sql( $string, $cols ) {
|
|
global $wpdb;
|
|
|
|
$like = '%' . $wpdb->esc_like( $string ) . '%';
|
|
|
|
$searches = array();
|
|
foreach ( $cols as $col ) {
|
|
$searches[] = $wpdb->prepare( "$col LIKE %s", $like );
|
|
}
|
|
|
|
return ' AND (' . implode(' OR ', $searches) . ')';
|
|
}
|
|
|
|
/**
|
|
* Parse and sanitize 'orderby' keys passed to the comment query.
|
|
*
|
|
* @since 4.2.0
|
|
* @access protected
|
|
*
|
|
* @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;
|
|
|
|
$allowed_keys = array(
|
|
'comment_agent',
|
|
'comment_approved',
|
|
'comment_author',
|
|
'comment_author_email',
|
|
'comment_author_IP',
|
|
'comment_author_url',
|
|
'comment_content',
|
|
'comment_date',
|
|
'comment_date_gmt',
|
|
'comment_ID',
|
|
'comment_karma',
|
|
'comment_parent',
|
|
'comment_post_ID',
|
|
'comment_type',
|
|
'user_id',
|
|
);
|
|
|
|
if ( ! empty( $this->query_vars['meta_key'] ) ) {
|
|
$allowed_keys[] = $this->query_vars['meta_key'];
|
|
$allowed_keys[] = 'meta_value';
|
|
$allowed_keys[] = 'meta_value_num';
|
|
}
|
|
|
|
$meta_query_clauses = $this->meta_query->get_clauses();
|
|
if ( $meta_query_clauses ) {
|
|
$allowed_keys = array_merge( $allowed_keys, array_keys( $meta_query_clauses ) );
|
|
}
|
|
|
|
$parsed = false;
|
|
if ( $orderby == $this->query_vars['meta_key'] || $orderby == 'meta_value' ) {
|
|
$parsed = "$wpdb->commentmeta.meta_value";
|
|
} elseif ( $orderby == 'meta_value_num' ) {
|
|
$parsed = "$wpdb->commentmeta.meta_value+0";
|
|
} elseif ( $orderby == 'comment__in' ) {
|
|
$comment__in = implode( ',', array_map( 'absint', $this->query_vars['comment__in'] ) );
|
|
$parsed = "FIELD( {$wpdb->comments}.comment_ID, $comment__in )";
|
|
} elseif ( in_array( $orderby, $allowed_keys ) ) {
|
|
|
|
if ( isset( $meta_query_clauses[ $orderby ] ) ) {
|
|
$meta_clause = $meta_query_clauses[ $orderby ];
|
|
$parsed = sprintf( "CAST(%s.meta_value AS %s)", esc_sql( $meta_clause['alias'] ), esc_sql( $meta_clause['cast'] ) );
|
|
} else {
|
|
$parsed = "$wpdb->comments.$orderby";
|
|
}
|
|
}
|
|
|
|
return $parsed;
|
|
}
|
|
|
|
/**
|
|
* Parse an 'order' query variable and cast it to ASC or DESC as necessary.
|
|
*
|
|
* @since 4.2.0
|
|
* @access protected
|
|
*
|
|
* @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 'DESC';
|
|
}
|
|
|
|
if ( 'ASC' === strtoupper( $order ) ) {
|
|
return 'ASC';
|
|
} else {
|
|
return 'DESC';
|
|
}
|
|
}
|
|
}
|