PHP create fuction for insert record php - Net-Raft.com

// index.php
<?php
require_once ("/Includes/connectDB.php");
require_once ("/Includes/myfunctions.php");
?>

// connectDB.php
<?php
require_once ("/Includes/myconnectiondata.php");

// Create database connection
$databaseConnection = new mysqli(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);
if ($databaseConnection->connect_error)
{
die("Database selection failed: " . $databaseConnection->connect_error);
}
else
{
echo "Connection created!";
}
?>

// myconnectiondata.php
<?php
define('DB_NAME', 'xxx');
define('DB_USER', 'xxx');
define('DB_PASSWORD', 'xxx');
define('DB_HOST', 'localhost');
?>

// myfunctions.php
<?php
insert_record($databaseConnection);

function insert_record($databaseConnection)

{

$query_insert = "INSERT INTO MYTABLE1 (username, password) VALUES ('myuser', 'mypassword')";

if ($databaseConnection->query($query_insert)) {
echo "</br>Record created!";
}
else
{
echo "</br>An error has occurred!";
}

mysqli_close($databaseConnection);

}
?>