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WP_Date_Query::__construct( array $date_query, string $default_column = 'post_date' )

Constructor.

Description

Time-related parameters that normally require integer values (‘year’, ‘month’, ‘week’, ‘dayofyear’, ‘day’, ‘dayofweek’, ‘dayofweek_iso’, ‘hour’, ‘minute’, ‘second’) accept arrays of integers for some values of ‘compare’. When ‘compare’ is ‘IN’ or ‘NOT IN’, arrays are accepted; when ‘compare’ is ‘BETWEEN’ or ‘NOT BETWEEN’, arrays of two valid values are required. See individual argument descriptions for accepted values.

Parameters

$date_query

(array) (Required) Array of date query clauses.

'...$0'
(array)
- 'column'
  (string) Optional. The column to query against. If undefined, inherits the value of the $default_column parameter. Accepts 'post_date', 'post_date_gmt', 'post_modified','post_modified_gmt', 'comment_date', 'comment_date_gmt'. Default 'post_date'.
- 'compare'
  (string) Optional. The comparison operator. Accepts '=', '!=', '>', '>=', '<', '<=', 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN'. Default '='.
- 'relation'
  (string) Optional. The boolean relationship between the date queries. Accepts 'OR' or 'AND'. Default 'OR'.
- '...$0'
  (array) Optional. An array of first-order clause parameters, or another fully-formed date query.
  - 'before'
    (string|array) Optional. Date to retrieve posts before. Accepts strtotime()-compatible string, or array of 'year', 'month', 'day' values.
    - 'year'
      (string) The four-digit year. Default empty. Accepts any four-digit year.
    - 'month'
      (string) Optional when passing array.The month of the year. Default (string:empty)|(array:1). Accepts numbers 1-12.
    - 'day'
      (string) Optional when passing array.The day of the month. Default (string:empty)|(array:1). Accepts numbers 1-31.
  - 'after'
    (string|array) Optional. Date to retrieve posts after. Accepts strtotime()-compatible string, or array of 'year', 'month', 'day' values.
    - 'year'
      (string) The four-digit year. Accepts any four-digit year. Default empty.
    - 'month'
      (string) Optional when passing array. The month of the year. Accepts numbers 1-12. Default (string:empty)|(array:12).
    - 'day'
      (string) Optional when passing array.The day of the month. Accepts numbers 1-31. Default (string:empty)|(array:last day of month).
  - 'column'
    (string) Optional. Used to add a clause comparing a column other than the column specified in the top-level $column parameter. Accepts 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt', 'comment_date', 'comment_date_gmt'. Default is the value of top-level $column.
  - 'compare'
    (string) Optional. The comparison operator. Accepts '=', '!=', '>', '>=', '<', '<=', 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN'. 'IN', 'NOT IN', 'BETWEEN', and 'NOT BETWEEN'. Comparisons support arrays in some time-related parameters. Default '='.
  - 'inclusive'
    (bool) Optional. Include results from dates specified in 'before' or 'after'. Default false.
  - 'year'
    (int|array) Optional. The four-digit year number. Accepts any four-digit year or an array of years if $compare supports it. Default empty.
  - 'month'
    (int|array) Optional. The two-digit month number. Accepts numbers 1-12 or an array of valid numbers if $compare supports it. Default empty.
  - 'week'
    (int|array) Optional. The week number of the year. Accepts numbers 0-53 or an array of valid numbers if $compare supports it. Default empty.
  - 'dayofyear'
    (int|array) Optional. The day number of the year. Accepts numbers 1-366 or an array of valid numbers if $compare supports it.
  - 'day'
    (int|array) Optional. The day of the month. Accepts numbers 1-31 or an array of valid numbers if $compare supports it. Default empty.
  - 'dayofweek'
    (int|array) Optional. The day number of the week. Accepts numbers 1-7 (1 is Sunday) or an array of valid numbers if $compare supports it. Default empty.
  - 'dayofweek_iso'
    (int|array) Optional. The day number of the week (ISO). Accepts numbers 1-7 (1 is Monday) or an array of valid numbers if $compare supports it. Default empty.
  - 'hour'
    (int|array) Optional. The hour of the day. Accepts numbers 0-23 or an array of valid numbers if $compare supports it. Default empty.
  - 'minute'
    (int|array) Optional. The minute of the hour. Accepts numbers 0-60 or an array of valid numbers if $compare supports it. Default empty.
  - 'second'
    (int|array) Optional. The second of the minute. Accepts numbers 0-60 or an array of valid numbers if $compare supports it. Default empty. }

$default_column

(string) (Optional) Default column to query against. Accepts 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt', 'comment_date', 'comment_date_gmt'.

Default value: 'post_date'

Source

File: wp-includes/class-wp-date-query.php

public function __construct( $date_query, $default_column = 'post_date' ) {
		if ( empty( $date_query ) || ! is_array( $date_query ) ) {
			return;
		}

		if ( isset( $date_query['relation'] ) && 'OR' === strtoupper( $date_query['relation'] ) ) {
			$this->relation = 'OR';
		} else {
			$this->relation = 'AND';
		}

		// Support for passing time-based keys in the top level of the $date_query array.
		if ( ! isset( $date_query[0] ) ) {
			$date_query = array( $date_query );
		}

		if ( ! empty( $date_query['column'] ) ) {
			$date_query['column'] = esc_sql( $date_query['column'] );
		} else {
			$date_query['column'] = esc_sql( $default_column );
		}

		$this->column = $this->validate_column( $this->column );

		$this->compare = $this->get_compare( $date_query );

		$this->queries = $this->sanitize_query( $date_query );
	}

Uses

Uses	Description
wp-includes/class-wp-date-query.php: WP_Date_Query::sanitize_query()	Recursive-friendly query sanitizer.
wp-includes/formatting.php: esc_sql()	Escapes data for use in a MySQL query.
wp-includes/class-wp-date-query.php: WP_Date_Query::validate_column()	Validates a column name parameter.
wp-includes/class-wp-date-query.php: WP_Date_Query::get_compare()	Determines and validates what comparison operator to use.

Used By

Used By	Description
wp-includes/class-wp-site-query.php: WP_Site_Query::get_site_ids()	Used internally to get a list of site IDs matching the query vars.
wp-includes/class-wp-comment-query.php: WP_Comment_Query::get_comment_ids()	Used internally to get a list of comment IDs matching the query vars.
wp-includes/class-wp-query.php: WP_Query::get_posts()	Retrieves an array of posts based on query variables.
wp-includes/class-wp-user-query.php: WP_User_Query::prepare_query()	Prepare the query variables.

Changelog

Version	Description
4.1.0	Introduced 'dayofweek_iso' time type parameter.
4.0.0	The $inclusive logic was updated to include all times within the date range.
3.7.0	Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_date_query/__construct