Combobox с автозаполнением

<?php
    $availableTags = array('Aaa', 'Bbb', 'Ccc'); // или заполняем массив данными из БД
?>
 
<script type="text/javascript">
 
var availableTags = <?php echo json_encode($availableTags); ?>;
 
// ...
 
</script>

 if ($conn)
{
     $tsql_search = "SELECT TipUstr FROM Modemy";
          $result_search = sqlsrv_query($conn,$tsql_search,array());
          
if( $result_search === false)
{
     echo "Error in query preparation/execution.\n";
     die( print_r( sqlsrv_errors(), true));
}
 
while( $row_search = sqlsrv_fetch_array( $result_search, SQLSRV_FETCH_ASSOC))
{
    $availableTags[] = $row_search['TipUstr'];
}
 
sqlsrv_free_stmt( $result_search);
          
          
}
else
{
     echo "Connection could not be established.\n";
     die( print_r( sqlsrv_errors(), true));
}

$availableTags = array("ActionScript",
        "AppleScript",
        "Asp",
        "BASIC",
        "C",
        "C++",
        "Clojure",
        "COBOL",
        "ColdFusion",
        "Erlang",
        "Fortran",
        "Groovy",
        "Haskell",
        "Java",
        "JavaScript",
        "Lisp",
        "Perl",
        "PHP",
        "Python",
        "Ruby",
        "Scala",
        "Scheme");

echo empty($availableTags) ? '[empty]' : print_r($availableTags, true);

Array ( [0] => ActionScript [1] => AppleScript [2] => Asp [3] => BASIC [4] => C [5] => C++ [6] => Clojure [7] => COBOL [8] => ColdFusion [9] => Erlang [10] => Fortran [11] => Groovy [12] => Haskell [13] => Java [14] => JavaScript [15] => Lisp [16] => Perl [17] => PHP [18] => Python [19] => Ruby [20] => Scala [21] => Scheme )

$availableTags = array("ActionScript",
        "AppleScript",
        "Asp",
        "BASIC",
        "C",
        "C++",
        "Clojure",
        "COBOL",
        "ColdFusion",
        "Erlang",
        "Fortran",
        "Groovy",
        "Haskell",
        "Java",
        "JavaScript",
        "Lisp",
        "Perl",
        "PHP",
        "Python",
        "Ruby",
        "Scala",
        "Scheme",
    "Лондон",
    "Париж",
    "Москва");