what is alternative ways to replace , the function function_construct()

Question

<?php

class curd
{
private $conn;
//what is the errors below in the function
function__construct()
{

try
{
$this->conn = new mysqli("localhost", "root","","php_oops");
}
catch(Exception $e)
{
echo "not connected. Try again ";
}
}

public function insert($data)
{
echo "<pre>";
print_r($data);
echo "</pre>";
}

}

?>

Answer 1

Please use appropriate tags for programming language. Thanks!

Answer 2

If you come across such doubt in the future, between function and construct put space okay.
function __cunstruct()