username="abc"
password="123"

<?php
define ('DB_HOST','localhost');

define ('DB_USER','root');

define ('DB_PASS','');

define ('DB_NAME','schools');

$con=mysqli_connect(DB_HOST,DB_USER,DB_PASS,DB_NAME);


// Check connection
if (mysqli_connect_errno())

  {
  echo "Failed to connect to MySQL: " . mysqli_connect_error();
  }
  else{
      //echo"successfully connect";
  }
?>