testDb.php

<?php
$dbCon = mysqli_connect("localhost", "root", "yourpasshere", "tutorials");
 
/* check connection */
if (mysqli_connect_errno()) {
	printf("Connect failed: %s\n", mysqli_connect_error());
	exit();
}
 
/* check if server is alive */
if (mysqli_ping($dbCon)) {
	printf ("Our connection is ok!\n");
} else {
	printf ("Error: %s\n", mysqli_error($link));
}
 
/* close connection */
mysqli_close($dbCon);
?>