MS SQL not working in IIS PHP

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SQL

IIS

PHP

I have created a VB.net based program and now want to create a "self-service" website to access the same information which is in MS SQL Server Management. I have the following code in the index.php file but when the site is loaded all that is shown is the welcome at the top. Anything I put in PHP before the attempt to connect shows but then after nothing is displayed, for example, in the code, there is 2 Echoed Welcomes, Only the 1st echo test is displayed. In the below code it technically should say "Couldnt connect to SQL Server on $Server" since I have random info as the connection but it doesn't echo anything.

<pre><?php

echo"Welcome";//*******************************1st Echo Test

$Server = "localhost";
$User = "your_name";
$Pass = "your_password";
$DB = "examples";

//connection to the database
$dbconn = mssql_connect($Server, $User, $Pass)
  or die("Couldn't connect to SQL Server on $Server");

//select a database to work with
$selected = mssql_select_db($DB, $dbconn)
  or die("Couldn't open database $myDB");

//declare the SQL statement that will query the database
$query = "SELECT name from test ";

//execute the SQL query and return records
$result = mssql_query($query);

$numRows = mssql_num_rows($result);
echo "<h1>" . $numRows . " Row" . ($numRows == 1 ? "" : "s") . " Returned </h1>";

//display the results
while($row = mssql_fetch_array($result))
{
  echo "<br>" . $row["name"];
}
//close the connection
mssql_close($dbconn);

echo"Welcome";//*******************************2nd Echo Test
?>

What I have tried:

I was looking into it and someone said to uncomment in the php.ini file the below statement which I did.

extension=php_pdo_mssql.dll

Uncommented it in the Developement and Production File.