- * Given one or more Titles and the name of a property, returns an
- * associative array mapping page ID to property value. Pages in the
- * provided set of Titles that do not have a value for the given
- * property will not appear in the returned array. If a single Title
- * is provided, it does not need to be passed in an array, but an array
- * will always be returned. An empty array will be returned if no
- * matching properties were found.
- *
- * @param array|Title $titles
- * @param string $propertyName
+ * Given one or more Titles and one or more names of properties,
+ * returns an associative array mapping page ID to property value.
+ * Pages in the provided set of Titles that do not have a value for
+ * the given properties will not appear in the returned array. If a
+ * single Title is provided, it does not need to be passed in an array,
+ * but an array will always be returned. If a single property name is
+ * provided, it does not need to be passed in an array. In that case,
+ * an associtive array mapping page ID to property value will be
+ * returned; otherwise, an associative array mapping page ID to
+ * an associative array mapping property name to property value will be
+ * returned. An empty array will be returned if no matching properties
+ * were found.