php code

<?php
session_start();
//generating connection with the database cude
  global $query1,$conn;
$server="localhost";
$username="root";
$password="";

$db="cude";
$conn=mysqli_connect($server,$username,$password,$db);
//Storing the sign_in details of the user in user_details table under cude database.
if(isset($_POST['name'])){
 $name=$_POST['name'];
$gender=$_POST['gender'];
$password=$_POST['password'];
$phone=$_POST['phone'];
$email=$_POST['email'];
$regno=$_POST['regno'];
//Now we are checking if the password is matching with confirm password entered by the user.
$conpassword=$_POST['conpassword'];
if($password!=$conpassword){
echo "<p class='match'>The two passwords do not match</p>";
}
//If not then we insert the details into the table named as 'user_details' using INSERT INTO command.
else{
    $query="INSERT INTO `user_details` (`Name`, `Reg_No`, `Mobile_No`, `gender`,`email`,`Password`) VALUES ( '$name', '$regno', '$phone', '$gender','$email', '$password');";
  
  //generating a query on the connection with the database.  
if($conn->query($query)==true){
    //echo"SUCCESSFULL";
  }
else{
   // echo "ERROR:$sql<br"
}
echo "<p class='match'You have signed up successfully.</p>";
}
}