WP_Date_Query.

props Viper007Bond.
see #18694.

Built from https://develop.svn.wordpress.org/trunk@25139


git-svn-id: http://core.svn.wordpress.org/trunk@25119 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/comment.php

@@ -196,6 +196,15 @@ class WP_Comment_Query {
 	 */
 	var $meta_query = false;
 
+	/**
+	 * Date query container
+	 *
+	 * @since 3.7.0
+	 * @access public
+	 * @var object WP_Date_Query
+	 */
+	var $date_query = false;
+
 	/**
 	 * Execute the query
 	 *
@@ -231,6 +240,7 @@ function query( $query_vars ) {
 			'meta_key' => '',
 			'meta_value' => '',
 			'meta_query' => '',
+			'date_query' => null, // See WP_Date_Query
 		);
 
 		$groupby = '';
@@ -360,6 +370,11 @@ function query( $query_vars ) {
 			$groupby = "{$wpdb->comments}.comment_ID";
 		}
 
+		if ( ! empty( $date_query ) && is_array( $date_query ) ) {
+			$date_query_object = new WP_Date_Query( $date_query, 'comment_date' );
+			$where .= $date_query_object->get_sql();
+		}
+
 		$pieces = array( 'fields', 'join', 'where', 'orderby', 'order', 'limits', 'groupby' );
 		$clauses = apply_filters_ref_array( 'comments_clauses', array( compact( $pieces ), &$this ) );
 		foreach ( $pieces as $piece )