constants.fetch-modes.xml Fix the call sequence (#5361)

Thank you. Sorry, I don't know why it hasn't been merged yet.

Author: mmalferov

reference/pdo/constants.fetch-modes.xml

@@ -1061,6 +1061,7 @@ while ($stmt->fetch(\PDO::FETCH_BOUND)) {
    <programlisting role="php">
 <![CDATA[
 <?php
+
 class TestEntity
 {
     public $userid;
@@ -1073,10 +1074,12 @@ class TestEntity
 }
 
 $obj = new TestEntity();
-$stmt->setFetchMode(\PDO::FETCH_INTO, $obj);
 
 $stmt = $db->query("SELECT userid, name, country, referred_by_userid FROM users");
+
+$stmt->setFetchMode(\PDO::FETCH_INTO, $obj);
 $result = $stmt->fetch();
+
 var_dump($result);
 ]]>
    </programlisting>