: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
$this->is_privacy_policy = false;
$this->is_attachment = false;
$this->is_singular = false;
$this->is_robots = false;
$this->is_favicon = false;
$this->is_posts_page = false;
$this->is_post_type_archive = false;
* Initiates object properties and sets default values.
$this->query_vars = array();
unset( $this->queried_object );
unset( $this->queried_object_id );
$this->current_post = -1;
$this->in_the_loop = false;
$this->before_loop = true;
unset( $this->comments );
$this->comment_count = 0;
$this->current_comment = -1;
$this->max_num_pages = 0;
$this->max_num_comment_pages = 0;
$this->init_query_flags();
* Reparses the query vars.
public function parse_query_vars() {
* Fills in the query variables, which do not exist within the parameter.
* @since 4.5.0 Removed the `comments_popup` public query variable.
* @param array $query_vars Defined query variables.
* @return array Complete query variables with undefined ones filled in empty.
public function fill_query_vars( $query_vars ) {
foreach ( $keys as $key ) {
if ( ! isset( $query_vars[ $key ] ) ) {
$query_vars[ $key ] = '';
foreach ( $array_keys as $key ) {
if ( ! isset( $query_vars[ $key ] ) ) {
$query_vars[ $key ] = array();
* Parses a query string and sets query type booleans.
* @since 4.2.0 Introduced the ability to order by specific clauses of a `$meta_query`, by passing the clause's
* array key to `$orderby`.
* @since 4.4.0 Introduced `$post_name__in` and `$title` parameters. `$s` was updated to support excluded
* search terms, by prepending a hyphen.
* @since 4.5.0 Removed the `$comments_popup` parameter.
* Introduced the `$comment_status` and `$ping_status` parameters.
* Introduced `RAND(x)` syntax for `$orderby`, which allows an integer seed value to random sorts.
* @since 4.6.0 Added 'post_name__in' support for `$orderby`. Introduced the `$lazy_load_term_meta` argument.
* @since 4.9.0 Introduced the `$comment_count` parameter.
* @since 5.1.0 Introduced the `$meta_compare_key` parameter.
* @since 5.3.0 Introduced the `$meta_type_key` parameter.
* @since 6.1.0 Introduced the `$update_menu_item_cache` parameter.
* @since 6.2.0 Introduced the `$search_columns` parameter.
* @param string|array $query {
* Optional. Array or string of Query parameters.
* @type int $attachment_id Attachment post ID. Used for 'attachment' post_type.
* @type int|string $author Author ID, or comma-separated list of IDs.
* @type string $author_name User 'user_nicename'.
* @type int[] $author__in An array of author IDs to query from.
* @type int[] $author__not_in An array of author IDs not to query from.
* @type bool $cache_results Whether to cache post information. Default true.
* @type int|string $cat Category ID or comma-separated list of IDs (this or any children).
* @type int[] $category__and An array of category IDs (AND in).
* @type int[] $category__in An array of category IDs (OR in, no children).
* @type int[] $category__not_in An array of category IDs (NOT in).
* @type string $category_name Use category slug (not name, this or any children).
* @type array|int $comment_count Filter results by comment count. Provide an integer to match
* comment count exactly. Provide an array with integer 'value'
* and 'compare' operator ('=', '!=', '>', '>=', '<', '<=' ) to
* compare against comment_count in a specific way.
* @type string $comment_status Comment status.
* @type int $comments_per_page The number of comments to return per page.
* Default 'comments_per_page' option.
* @type array $date_query An associative array of WP_Date_Query arguments.
* See WP_Date_Query::__construct().
* @type int $day Day of the month. Default empty. Accepts numbers 1-31.
* @type bool $exact Whether to search by exact keyword. Default false.
* @type string $fields Post fields to query for. Accepts:
* - '' Returns an array of complete post objects (`WP_Post[]`).
* - 'ids' Returns an array of post IDs (`int[]`).
* - 'id=>parent' Returns an associative array of parent post IDs,
* keyed by post ID (`int[]`).
* @type int $hour Hour of the day. Default empty. Accepts numbers 0-23.
* @type int|bool $ignore_sticky_posts Whether to ignore sticky posts or not. Setting this to false
* excludes stickies from 'post__in'. Accepts 1|true, 0|false.
* @type int $m Combination YearMonth. Accepts any four-digit year and month
* numbers 01-12. Default empty.
* @type string|string[] $meta_key Meta key or keys to filter by.
* @type string|string[] $meta_value Meta value or values to filter by.
* @type string $meta_compare MySQL operator used for comparing the meta value.
* See WP_Meta_Query::__construct() for accepted values and default value.
* @type string $meta_compare_key MySQL operator used for comparing the meta key.
* See WP_Meta_Query::__construct() for accepted values and default value.
* @type string $meta_type MySQL data type that the meta_value column will be CAST to for comparisons.
* See WP_Meta_Query::__construct() for accepted values and default value.
* @type string $meta_type_key MySQL data type that the meta_key column will be CAST to for comparisons.
* See WP_Meta_Query::__construct() for accepted values and default value.
* @type array $meta_query An associative array of WP_Meta_Query arguments.
* See WP_Meta_Query::__construct() for accepted values.
* @type int $menu_order The menu order of the posts.
* @type int $minute Minute of the hour. Default empty. Accepts numbers 0-59.
* @type int $monthnum The two-digit month. Default empty. Accepts numbers 1-12.
* @type string $name Post slug.
* @type bool $nopaging Show all posts (true) or paginate (false). Default false.
* @type bool $no_found_rows Whether to skip counting the total rows found. Enabling can improve
* performance. Default false.
* @type int $offset The number of posts to offset before retrieval.
* @type string $order Designates ascending or descending order of posts. Default 'DESC'.
* @type string|array $orderby Sort retrieved posts by parameter. One or more options may be passed.
* To use 'meta_value', or 'meta_value_num', 'meta_key=keyname' must be
* also be defined. To sort by a specific `$meta_query` clause, use that
* clause's array key. Accepts:
* - 'RAND(x)' (where 'x' is an integer seed value)
* - The array keys of `$meta_query`.
* Default is 'date', except when a search is being performed, when
* the default is 'relevance'.
* @type int $page Show the number of posts that would show up on page X of a
* @type int $paged The number of the current page.
* @type int $page_id Page ID.
* @type string $pagename Page slug.
* @type string $perm Show posts if user has the appropriate capability.
* @type string $ping_status Ping status.
* @type int[] $post__in An array of post IDs to retrieve, sticky posts will be included.
* @type int[] $post__not_in An array of post IDs not to retrieve. Note: a string of comma-
* separated IDs will NOT work.
* @type string $post_mime_type The mime type of the post. Used for 'attachment' post_type.
* @type string[] $post_name__in An array of post slugs that results must match.
* @type int $post_parent Page ID to retrieve child pages for. Use 0 to only retrieve
* @type int[] $post_parent__in An array containing parent page IDs to query child pages from.
* @type int[] $post_parent__not_in An array containing parent page IDs not to query child pages from.
* @type string|string[] $post_type A post type slug (string) or array of post type slugs.
* Default 'any' if using 'tax_query'.
* @type string|string[] $post_status A post status (string) or array of post statuses.
* @type int $posts_per_page The number of posts to query for. Use -1 to request all posts.
* @type int $posts_per_archive_page The number of posts to query for by archive page. Overrides
* 'posts_per_page' when is_archive(), or is_search() are true.
* @type string $s Search keyword(s). Prepending a term with a hyphen will
* exclude posts matching that term. Eg, 'pillow -sofa' will
* return posts containing 'pillow' but not 'sofa'. The
* character used for exclusion can be modified using the
* the 'wp_query_search_exclusion_prefix' filter.
* @type string[] $search_columns Array of column names to be searched. Accepts 'post_title',
* 'post_excerpt' and 'post_content'. Default empty array.
* @type int $second Second of the minute. Default empty. Accepts numbers 0-59.
* @type bool $sentence Whether to search by phrase. Default false.
* @type bool $suppress_filters Whether to suppress filters. Default false.
* @type string $tag Tag slug. Comma-separated (either), Plus-separated (all).
* @type int[] $tag__and An array of tag IDs (AND in).
* @type int[] $tag__in An array of tag IDs (OR in).
* @type int[] $tag__not_in An array of tag IDs (NOT in).
* @type int $tag_id Tag id or comma-separated list of IDs.
* @type string[] $tag_slug__and An array of tag slugs (AND in).
* @type string[] $tag_slug__in An array of tag slugs (OR in). unless 'ignore_sticky_posts' is
* true. Note: a string of comma-separated IDs will NOT work.
* @type array $tax_query An associative array of WP_Tax_Query arguments.
* See WP_Tax_Query::__construct().
* @type string $title Post title.
* @type bool $update_post_meta_cache Whether to update the post meta cache. Default true.
* @type bool $update_post_term_cache Whether to update the post term cache. Default true.
* @type bool $update_menu_item_cache Whether to update the menu item cache. Default false.
* @type bool $lazy_load_term_meta Whether to lazy-load term meta. Setting to false will
* disable cache priming for term meta, so that each
* get_term_meta() call will hit the database.
* Defaults to the value of `$update_post_term_cache`.
* @type int $w The week number of the year. Default empty. Accepts numbers 0-53.
* @type int $year The four-digit year. Default empty. Accepts any four-digit year.
public function parse_query( $query = '' ) {
if ( ! empty( $query ) ) {
$this->query = wp_parse_args( $query );
$this->query_vars = $this->query;
} elseif ( ! isset( $this->query ) ) {
$this->query = $this->query_vars;
$this->query_vars = $this->fill_query_vars( $this->query_vars );
$qv = &$this->query_vars;
$this->query_vars_changed = true;
if ( ! empty( $qv['robots'] ) ) {
} elseif ( ! empty( $qv['favicon'] ) ) {
$this->is_favicon = true;
if ( ! is_scalar( $qv['p'] ) || (int) $qv['p'] < 0 ) {
$qv['p'] = (int) $qv['p'];
$qv['page_id'] = is_scalar( $qv['page_id'] ) ? absint( $qv['page_id'] ) : 0;
$qv['year'] = is_scalar( $qv['year'] ) ? absint( $qv['year'] ) : 0;
$qv['monthnum'] = is_scalar( $qv['monthnum'] ) ? absint( $qv['monthnum'] ) : 0;
$qv['day'] = is_scalar( $qv['day'] ) ? absint( $qv['day'] ) : 0;
$qv['w'] = is_scalar( $qv['w'] ) ? absint( $qv['w'] ) : 0;
$qv['m'] = is_scalar( $qv['m'] ) ? preg_replace( '|[^0-9]|', '', $qv['m'] ) : '';
$qv['paged'] = is_scalar( $qv['paged'] ) ? absint( $qv['paged'] ) : 0;
$qv['cat'] = preg_replace( '|[^0-9,-]|', '', $qv['cat'] ); // Array or comma-separated list of positive or negative integers.
$qv['author'] = is_scalar( $qv['author'] ) ? preg_replace( '|[^0-9,-]|', '', $qv['author'] ) : ''; // Comma-separated list of positive or negative integers.
$qv['pagename'] = is_scalar( $qv['pagename'] ) ? trim( $qv['pagename'] ) : '';
$qv['name'] = is_scalar( $qv['name'] ) ? trim( $qv['name'] ) : '';
$qv['title'] = is_scalar( $qv['title'] ) ? trim( $qv['title'] ) : '';
if ( is_scalar( $qv['hour'] ) && '' !== $qv['hour'] ) {
$qv['hour'] = absint( $qv['hour'] );
if ( is_scalar( $qv['minute'] ) && '' !== $qv['minute'] ) {
$qv['minute'] = absint( $qv['minute'] );
if ( is_scalar( $qv['second'] ) && '' !== $qv['second'] ) {
$qv['second'] = absint( $qv['second'] );
if ( is_scalar( $qv['menu_order'] ) && '' !== $qv['menu_order'] ) {
$qv['menu_order'] = absint( $qv['menu_order'] );
// Fairly large, potentially too large, upper bound for search string lengths.
if ( ! is_scalar( $qv['s'] ) || ( ! empty( $qv['s'] ) && strlen( $qv['s'] ) > 1600 ) ) {
// Compat. Map subpost to attachment.
if ( is_scalar( $qv['subpost'] ) && '' != $qv['subpost'] ) {
$qv['attachment'] = $qv['subpost'];
if ( is_scalar( $qv['subpost_id'] ) && '' != $qv['subpost_id'] ) {
$qv['attachment_id'] = $qv['subpost_id'];
$qv['attachment_id'] = is_scalar( $qv['attachment_id'] ) ? absint( $qv['attachment_id'] ) : 0;
if ( ( '' !== $qv['attachment'] ) || ! empty( $qv['attachment_id'] ) ) {
$this->is_attachment = true;
} elseif ( '' !== $qv['name'] ) {
} elseif ( '' !== $qv['pagename'] || ! empty( $qv['page_id'] ) ) {
$this->is_single = false;
// Look for archive queries. Dates, categories, authors, search, post type archives.
if ( isset( $this->query['s'] ) ) {
if ( '' !== $qv['second'] ) {
if ( '' !== $qv['minute'] ) {
if ( '' !== $qv['hour'] ) {
if ( ! $this->is_date ) {
$date = sprintf( '%04d-%02d-%02d', $qv['year'], $qv['monthnum'], $qv['day'] );
if ( $qv['monthnum'] && $qv['year'] && ! wp_checkdate( $qv['monthnum'], $qv['day'], $qv['year'], $date ) ) {
if ( ! $this->is_date ) {
if ( 12 < $qv['monthnum'] ) {
if ( ! $this->is_date ) {
if ( strlen( $qv['m'] ) > 9 ) {
} elseif ( strlen( $qv['m'] ) > 7 ) {
} elseif ( strlen( $qv['m'] ) > 5 ) {
$this->query_vars_hash = false;
$this->parse_tax_query( $qv );
foreach ( $this->tax_query->queries as $tax_query ) {
if ( ! is_array( $tax_query ) ) {
if ( isset( $tax_query['operator'] ) && 'NOT IN' !== $tax_query['operator'] ) {
switch ( $tax_query['taxonomy'] ) {
$this->is_category = true;
if ( empty( $qv['author'] ) || ( '0' == $qv['author'] ) ) {
$this->is_author = false;
if ( '' !== $qv['author_name'] ) {
if ( ! empty( $qv['post_type'] ) && ! is_array( $qv['post_type'] ) ) {
$post_type_obj = get_post_type_object( $qv['post_type'] );
if ( ! empty( $post_type_obj->has_archive ) ) {
$this->is_post_type_archive = true;
if ( $this->is_post_type_archive || $this->is_date || $this->is_author || $this->is_category || $this->is_tag || $this->is_tax ) {
$this->is_archive = true;
if ( '' != $qv['feed'] ) {
if ( '' != $qv['embed'] ) {