php database

<?php
// Provide login information
$servername = "localhost";
$username = "username";
$password = "password";

// Create connection
$conn = new mysqli($servername, $username, $password);

// Check connection
  if ($conn->connect_error) {
      die("Connection failed: " . $conn->connect_error);
  } else {
      echo "Connected successfully";
  }

?>

<?php
$servername = "localhost";
$username = "username";
$password = "password";

// Create connection
$conn = new mysqli($servername, $username, $password);

 
// Check connection

 if ($conn->connect_error) {

  die("Connection failed: " . $conn->connect_error);
}

echo "Connected successfully";

?>
 

<?php
$servername = "localhost";
$username = "yourusername"; // For MYSQL the predifined username is root
$password = "yourpassword"; // For MYSQL the predifined password is " "(blank)

// Create connection
$conn = new mysqli($servername, $username, $password);

 
// Check connection

 if ($conn->connect_error) {

    die("Connection failed: " . $conn->connect_error);
}

echo "Connected successfully";

?>