<?php
// connect to database

$con = mysqli_connect('localhost','ssdacom_DbUserssd', '6pvT4gQ4Sk', 'ssdacom_ssdabdb');
// check for connection errors
if(mysqli_connect_errno())
	die(mysqli_connect_error());
// function to execute query and automatically check for errors
function query($sql){
	$result = mysqli_query($GLOBALS['con'], $sql);
	if(!$result){
		die(mysqli_error($GLOBALS['con']));
	}
	return $result;
}
/*function return the last inserted id*/
function lastId(){
	return mysqli_insert_id($GLOBALS['con']);
}

/*function returns the error in recently executed query*/
function error(){
	return mysqli_error($GLOBALS['con']);
}


/*function return the number of rows of passed query*/
function num_rows($query){
	return mysqli_num_rows($query);
}
?>