WP_Date_Query::is_first_order_clause()
Method: Determines whether this is a first-order clause.
Source: wp-includes/class-wp-date-query.php:250
WP_Date_Query::get_compare()
Method: Determines and validates what comparison operator to use.
Source: wp-includes/class-wp-date-query.php:263
WP_Date_Query::validate_date_values()
Method: Validates the given date_query values and triggers errors if something is not valid.
Source: wp-includes/class-wp-date-query.php:285
WP_Date_Query::validate_column()
Method: Validates a column name parameter.
Source: wp-includes/class-wp-date-query.php:481
date_query_valid_columns
Filter Hook: Filters the list of valid date query columns.
Source: wp-includes/class-wp-date-query.php:510
WP_Date_Query::get_sql()
Method: Generates WHERE clause to be appended to a main query.
Source: wp-includes/class-wp-date-query.php:554
get_date_sql
Filter Hook: Filters the date query WHERE clause.
Source: wp-includes/class-wp-date-query.php:567
WP_Date_Query::get_sql_clauses()
Method: Generates SQL clauses to be appended to a main query.
Source: wp-includes/class-wp-date-query.php:585