How can I access to database from PHP?

See more:

C#

PHP

Hi Everyone

I tried to access to database from php but i couldn't after some attempts
this is the code

$mysqli = new mysqli("ipAddress(hostname)", "UserName", "Password", "DbName");

   if($mysqli->connect_error) 
     die('Connect Error (' . mysqli_connect_errno() . ') '. mysqli_connect_error());

   else echo "Success";

also this

$dbhandle = mysql_connect("ipAddress(hostname)", "UserName", "Password") 
		
		 or die("Unable to connect to MySQL");
		 
		//echo "Connected to MySQL<br>";

		//select a database to work with
		$selected = mysql_select_db("DbName",$dbhandle) 
		  or die("Could not select Database");

give me error messsage

Access denied for user 'UserName'@'ipAddress' (using password: YES) in ../client.php



but when I use C#
No Error Message

string query = string.Format("Select {0} from information_schema.tables ", "table_name");
            MySqlDataAdapter DA = new MySqlDataAdapter(query,"Server=ipAddress;User Id=userName;Password=Password;Database=DbName");

            DataSet Ds = new DataSet();
            DA.Fill(Ds, "Tables");

plz help me

What I have tried:

I tried to use many different codes in php but i couldn't to access database