[Solved] Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [duplicate]

by 


  <?php
$con = mysqli_connect("localhost","root","","register");

// Check connection
if (mysqli_connect_errno())
 {
 echo "Failed to connect to MySQL: " . mysqli_connect_error();
  }
?>

// try this..

solved Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [duplicate]