Fixed PHP bug #52122 (implode(): No description of return value for degenerate case)

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@300736 c90b9560-bf6c-de11-be94-00142212c4b1

reference/strings/functions/implode.xml

@@ -102,6 +102,9 @@ $comma_separated = implode(",", $array);
 
 echo $comma_separated; // lastname,email,phone
 
+// Empty string when using an empty array:
+var_dump(implode('hello', array())); // string(0) ""
+
 ?>
 ]]>
     </programlisting>