: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
$q['posts_per_page'] = get_option( 'posts_per_rss' );
$q['posts_per_page'] = (int) $q['posts_per_page'];
if ( $q['posts_per_page'] < -1 ) {
$q['posts_per_page'] = abs( $q['posts_per_page'] );
} elseif ( 0 == $q['posts_per_page'] ) {
$q['posts_per_page'] = 1;
if ( ! isset( $q['comments_per_page'] ) || 0 == $q['comments_per_page'] ) {
$q['comments_per_page'] = get_option( 'comments_per_page' );
if ( $this->is_home && ( empty( $this->query ) || 'true' === $q['preview'] ) && ( 'page' === get_option( 'show_on_front' ) ) && get_option( 'page_on_front' ) ) {
$q['page_id'] = get_option( 'page_on_front' );
if ( isset( $q['page'] ) ) {
$q['page'] = is_scalar( $q['page'] ) ? absint( trim( $q['page'], '/' ) ) : 0;
// If true, forcibly turns off SQL_CALC_FOUND_ROWS even when limits are present.
if ( isset( $q['no_found_rows'] ) ) {
$q['no_found_rows'] = (bool) $q['no_found_rows'];
$q['no_found_rows'] = false;
switch ( $q['fields'] ) {
$fields = "{$wpdb->posts}.ID";
$fields = "{$wpdb->posts}.ID, {$wpdb->posts}.post_parent";
$fields = "{$wpdb->posts}.*";
if ( '' !== $q['menu_order'] ) {
$where .= " AND {$wpdb->posts}.menu_order = " . $q['menu_order'];
// The "m" parameter is meant for months but accepts datetimes of varying specificity.
$where .= " AND YEAR({$wpdb->posts}.post_date)=" . substr( $q['m'], 0, 4 );
if ( strlen( $q['m'] ) > 5 ) {
$where .= " AND MONTH({$wpdb->posts}.post_date)=" . substr( $q['m'], 4, 2 );
if ( strlen( $q['m'] ) > 7 ) {
$where .= " AND DAYOFMONTH({$wpdb->posts}.post_date)=" . substr( $q['m'], 6, 2 );
if ( strlen( $q['m'] ) > 9 ) {
$where .= " AND HOUR({$wpdb->posts}.post_date)=" . substr( $q['m'], 8, 2 );
if ( strlen( $q['m'] ) > 11 ) {
$where .= " AND MINUTE({$wpdb->posts}.post_date)=" . substr( $q['m'], 10, 2 );
if ( strlen( $q['m'] ) > 13 ) {
$where .= " AND SECOND({$wpdb->posts}.post_date)=" . substr( $q['m'], 12, 2 );
// Handle the other individual date parameters.
$date_parameters = array();
if ( '' !== $q['hour'] ) {
$date_parameters['hour'] = $q['hour'];
if ( '' !== $q['minute'] ) {
$date_parameters['minute'] = $q['minute'];
if ( '' !== $q['second'] ) {
$date_parameters['second'] = $q['second'];
$date_parameters['year'] = $q['year'];
$date_parameters['monthnum'] = $q['monthnum'];
$date_parameters['week'] = $q['w'];
$date_parameters['day'] = $q['day'];
if ( $date_parameters ) {
$date_query = new WP_Date_Query( array( $date_parameters ) );
$where .= $date_query->get_sql();
unset( $date_parameters, $date_query );
// Handle complex date queries.
if ( ! empty( $q['date_query'] ) ) {
$this->date_query = new WP_Date_Query( $q['date_query'] );
$where .= $this->date_query->get_sql();
// If we've got a post_type AND it's not "any" post_type.
if ( ! empty( $q['post_type'] ) && 'any' !== $q['post_type'] ) {
foreach ( (array) $q['post_type'] as $_post_type ) {
$ptype_obj = get_post_type_object( $_post_type );
if ( ! $ptype_obj || ! $ptype_obj->query_var || empty( $q[ $ptype_obj->query_var ] ) ) {
if ( ! $ptype_obj->hierarchical ) {
// Non-hierarchical post types can directly use 'name'.
$q['name'] = $q[ $ptype_obj->query_var ];
// Hierarchical post types will operate through 'pagename'.
$q['pagename'] = $q[ $ptype_obj->query_var ];
// Only one request for a slug is possible, this is why name & pagename are overwritten above.
if ( '' !== $q['title'] ) {
$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_title = %s", stripslashes( $q['title'] ) );
// Parameters related to 'post_name'.
if ( '' !== $q['name'] ) {
$q['name'] = sanitize_title_for_query( $q['name'] );
$where .= " AND {$wpdb->posts}.post_name = '" . $q['name'] . "'";
} elseif ( '' !== $q['pagename'] ) {
if ( isset( $this->queried_object_id ) ) {
$reqpage = $this->queried_object_id;
if ( 'page' !== $q['post_type'] ) {
foreach ( (array) $q['post_type'] as $_post_type ) {
$ptype_obj = get_post_type_object( $_post_type );
if ( ! $ptype_obj || ! $ptype_obj->hierarchical ) {
$reqpage = get_page_by_path( $q['pagename'], OBJECT, $_post_type );
$reqpage = get_page_by_path( $q['pagename'] );
if ( ! empty( $reqpage ) ) {
$page_for_posts = get_option( 'page_for_posts' );
if ( ( 'page' !== get_option( 'show_on_front' ) ) || empty( $page_for_posts ) || ( $reqpage != $page_for_posts ) ) {
$q['pagename'] = sanitize_title_for_query( wp_basename( $q['pagename'] ) );
$q['name'] = $q['pagename'];
$where .= " AND ({$wpdb->posts}.ID = '$reqpage')";
$reqpage_obj = get_post( $reqpage );
if ( is_object( $reqpage_obj ) && 'attachment' === $reqpage_obj->post_type ) {
$this->is_attachment = true;
$post_type = 'attachment';
$q['post_type'] = 'attachment';
$q['attachment_id'] = $reqpage;
} elseif ( '' !== $q['attachment'] ) {
$q['attachment'] = sanitize_title_for_query( wp_basename( $q['attachment'] ) );
$q['name'] = $q['attachment'];
$where .= " AND {$wpdb->posts}.post_name = '" . $q['attachment'] . "'";
} elseif ( is_array( $q['post_name__in'] ) && ! empty( $q['post_name__in'] ) ) {
$q['post_name__in'] = array_map( 'sanitize_title_for_query', $q['post_name__in'] );
$post_name__in = "'" . implode( "','", $q['post_name__in'] ) . "'";
$where .= " AND {$wpdb->posts}.post_name IN ($post_name__in)";
// If an attachment is requested by number, let it supersede any post number.
if ( $q['attachment_id'] ) {
$q['p'] = absint( $q['attachment_id'] );
// If a post number is specified, load that post.
$where .= " AND {$wpdb->posts}.ID = " . $q['p'];
} elseif ( $q['post__in'] ) {
$post__in = implode( ',', array_map( 'absint', $q['post__in'] ) );
$where .= " AND {$wpdb->posts}.ID IN ($post__in)";
} elseif ( $q['post__not_in'] ) {
$post__not_in = implode( ',', array_map( 'absint', $q['post__not_in'] ) );
$where .= " AND {$wpdb->posts}.ID NOT IN ($post__not_in)";
if ( is_numeric( $q['post_parent'] ) ) {
$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_parent = %d ", $q['post_parent'] );
} elseif ( $q['post_parent__in'] ) {
$post_parent__in = implode( ',', array_map( 'absint', $q['post_parent__in'] ) );
$where .= " AND {$wpdb->posts}.post_parent IN ($post_parent__in)";
} elseif ( $q['post_parent__not_in'] ) {
$post_parent__not_in = implode( ',', array_map( 'absint', $q['post_parent__not_in'] ) );
$where .= " AND {$wpdb->posts}.post_parent NOT IN ($post_parent__not_in)";
if ( ( 'page' !== get_option( 'show_on_front' ) ) || ( get_option( 'page_for_posts' ) != $q['page_id'] ) ) {
$where = " AND {$wpdb->posts}.ID = " . $q['page_id'];
// If a search pattern is specified, load the posts that match.
if ( strlen( $q['s'] ) ) {
$search = $this->parse_search( $q );
if ( ! $q['suppress_filters'] ) {
* Filters the search SQL that is used in the WHERE clause of WP_Query.
* @param string $search Search SQL for WHERE clause.
* @param WP_Query $query The current WP_Query object.
$search = apply_filters_ref_array( 'posts_search', array( $search, &$this ) );
if ( ! $this->is_singular ) {
$this->parse_tax_query( $q );
$clauses = $this->tax_query->get_sql( $wpdb->posts, 'ID' );
$join .= $clauses['join'];
$where .= $clauses['where'];
if ( empty( $post_type ) ) {
// Do a fully inclusive search for currently registered post types of queried taxonomies.
$taxonomies = array_keys( $this->tax_query->queried_terms );
foreach ( get_post_types( array( 'exclude_from_search' => false ) ) as $pt ) {
$object_taxonomies = 'attachment' === $pt ? get_taxonomies_for_attachments() : get_object_taxonomies( $pt );
if ( array_intersect( $taxonomies, $object_taxonomies ) ) {
} elseif ( count( $post_type ) === 1 ) {
$post_type = $post_type[0];
// Sort post types to ensure same cache key generation.
$post_status_join = true;
} elseif ( in_array( 'attachment', (array) $post_type, true ) ) {
$post_status_join = true;
* Ensure that 'taxonomy', 'term', 'term_id', 'cat', and
* 'category_name' vars are set for backward compatibility.
if ( ! empty( $this->tax_query->queried_terms ) ) {
* Set 'taxonomy', 'term', and 'term_id' to the
* first taxonomy other than 'post_tag' or 'category'.
if ( ! isset( $q['taxonomy'] ) ) {
foreach ( $this->tax_query->queried_terms as $queried_taxonomy => $queried_items ) {
if ( empty( $queried_items['terms'][0] ) ) {
if ( ! in_array( $queried_taxonomy, array( 'category', 'post_tag' ), true ) ) {
$q['taxonomy'] = $queried_taxonomy;
if ( 'slug' === $queried_items['field'] ) {
$q['term'] = $queried_items['terms'][0];
$q['term_id'] = $queried_items['terms'][0];
// Take the first one we find.
// 'cat', 'category_name', 'tag_id'.
foreach ( $this->tax_query->queried_terms as $queried_taxonomy => $queried_items ) {
if ( empty( $queried_items['terms'][0] ) ) {
if ( 'category' === $queried_taxonomy ) {
$the_cat = get_term_by( $queried_items['field'], $queried_items['terms'][0], 'category' );
$this->set( 'cat', $the_cat->term_id );
$this->set( 'category_name', $the_cat->slug );
if ( 'post_tag' === $queried_taxonomy ) {
$the_tag = get_term_by( $queried_items['field'], $queried_items['terms'][0], 'post_tag' );
$this->set( 'tag_id', $the_tag->term_id );
if ( ! empty( $this->tax_query->queries ) || ! empty( $this->meta_query->queries ) || ! empty( $this->allow_query_attachment_by_filename ) ) {
$groupby = "{$wpdb->posts}.ID";
if ( ! empty( $q['author'] ) && '0' != $q['author'] ) {
$q['author'] = addslashes_gpc( '' . urldecode( $q['author'] ) );
$authors = array_unique( array_map( 'intval', preg_split( '/[,\s]+/', $q['author'] ) ) );
foreach ( $authors as $author ) {
$key = $author > 0 ? 'author__in' : 'author__not_in';
$q[ $key ][] = abs( $author );
$q['author'] = implode( ',', $authors );
if ( ! empty( $q['author__not_in'] ) ) {
$author__not_in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__not_in'] ) ) );
$where .= " AND {$wpdb->posts}.post_author NOT IN ($author__not_in) ";
} elseif ( ! empty( $q['author__in'] ) ) {
$author__in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__in'] ) ) );
$where .= " AND {$wpdb->posts}.post_author IN ($author__in) ";
// Author stuff for nice URLs.
if ( '' !== $q['author_name'] ) {
if ( str_contains( $q['author_name'], '/' ) ) {
$q['author_name'] = explode( '/', $q['author_name'] );
if ( $q['author_name'][ count( $q['author_name'] ) - 1 ] ) {
$q['author_name'] = $q['author_name'][ count( $q['author_name'] ) - 1 ]; // No trailing slash.
$q['author_name'] = $q['author_name'][ count( $q['author_name'] ) - 2 ]; // There was a trailing slash.
$q['author_name'] = sanitize_title_for_query( $q['author_name'] );
$q['author'] = get_user_by( 'slug', $q['author_name'] );
$q['author'] = $q['author']->ID;
$whichauthor .= " AND ({$wpdb->posts}.post_author = " . absint( $q['author'] ) . ')';
// Matching by comment count.
if ( isset( $q['comment_count'] ) ) {
// Numeric comment count is converted to array format.
if ( is_numeric( $q['comment_count'] ) ) {
$q['comment_count'] = array(
'value' => (int) $q['comment_count'],
if ( isset( $q['comment_count']['value'] ) ) {
$q['comment_count'] = array_merge(
// Fallback for invalid compare operators is '='.
$compare_operators = array( '=', '!=', '>', '>=', '<', '<=' );
if ( ! in_array( $q['comment_count']['compare'], $compare_operators, true ) ) {
$q['comment_count']['compare'] = '=';
$where .= $wpdb->prepare( " AND {$wpdb->posts}.comment_count {$q['comment_count']['compare']} %d", $q['comment_count']['value'] );
// MIME-Type stuff for attachment browsing.
if ( isset( $q['post_mime_type'] ) && '' !== $q['post_mime_type'] ) {
$whichmimetype = wp_post_mime_type_where( $q['post_mime_type'], $wpdb->posts );
$where .= $search . $whichauthor . $whichmimetype;
if ( ! empty( $this->allow_query_attachment_by_filename ) ) {
$join .= " LEFT JOIN {$wpdb->postmeta} AS sq1 ON ( {$wpdb->posts}.ID = sq1.post_id AND sq1.meta_key = '_wp_attached_file' )";
if ( ! empty( $this->meta_query->queries ) ) {
$clauses = $this->meta_query->get_sql( 'post', $wpdb->posts, 'ID', $this );
$join .= $clauses['join'];
$where .= $clauses['where'];
$rand = ( isset( $q['orderby'] ) && 'rand' === $q['orderby'] );
if ( ! isset( $q['order'] ) ) {
$q['order'] = $rand ? '' : 'DESC';
$q['order'] = $rand ? '' : $this->parse_order( $q['order'] );
// These values of orderby should ignore the 'order' parameter.
$force_asc = array( 'post__in', 'post_name__in', 'post_parent__in' );
if ( isset( $q['orderby'] ) && in_array( $q['orderby'], $force_asc, true ) ) {
if ( empty( $q['orderby'] ) ) {
* Boolean false or empty array blanks out ORDER BY,
* while leaving the value unset or otherwise empty sets the default.
if ( isset( $q['orderby'] ) && ( is_array( $q['orderby'] ) || false === $q['orderby'] ) ) {
$orderby = "{$wpdb->posts}.post_date " . $q['order'];
} elseif ( 'none' === $q['orderby'] ) {
$orderby_array = array();
if ( is_array( $q['orderby'] ) ) {
foreach ( $q['orderby'] as $_orderby => $order ) {
$orderby = addslashes_gpc( urldecode( $_orderby ) );
$parsed = $this->parse_orderby( $orderby );
$orderby_array[] = $parsed . ' ' . $this->parse_order( $order );
$orderby = implode( ', ', $orderby_array );
$q['orderby'] = urldecode( $q['orderby'] );
$q['orderby'] = addslashes_gpc( $q['orderby'] );
foreach ( explode( ' ', $q['orderby'] ) as $i => $orderby ) {
$parsed = $this->parse_orderby( $orderby );
// Only allow certain values for safety.
$orderby_array[] = $parsed;
$orderby = implode( ' ' . $q['order'] . ', ', $orderby_array );
if ( empty( $orderby ) ) {
$orderby = "{$wpdb->posts}.post_date " . $q['order'];
} elseif ( ! empty( $q['order'] ) ) {
$orderby .= " {$q['order']}";
// Order search results by relevance only when another "orderby" is not specified in the query.
if ( ! empty( $q['s'] ) ) {
if ( ! empty( $q['search_orderby_title'] ) && ( empty( $q['orderby'] ) && ! $this->is_feed ) || ( isset( $q['orderby'] ) && 'relevance' === $q['orderby'] ) ) {
$search_orderby = $this->parse_search_order( $q );
if ( ! $q['suppress_filters'] ) {
* Filters the ORDER BY used when ordering search results.
* @param string $search_orderby The ORDER BY clause.
* @param WP_Query $query The current WP_Query instance.