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Source View: date_query_valid_columns

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Line Code
166           );
167           /**
168            * Filter the list of valid date query columns.
169            *
170            * @since 3.7.0
171            *
172            * @param array $valid_columns An array of valid date query columns. Defaults are 'post_date', 'post_date_gmt',
173            *                             'post_modified', 'post_modified_gmt', 'comment_date', 'comment_date_gmt'
174            */
175           if ( ! in_array( $column, apply_filters( 'date_query_valid_columns', $valid_columns ) ) )
176                $column = 'post_date';
177
178           return $column;
179      }
180
181      /**
182       * Turns an array of date query parameters into a MySQL string.
183       *
184       * @since 3.7.0