public function postLog() { // check database connections $conn = $this->databaseConnection(); if ($conn) { $username = trim($_POST['username']); $password = trim($_POST['password']); $queries = new Queries(); $password = sha1($password); $sqlQuery = $queries->loginUser($username, $password); $result = mysqli_query($conn, $sqlQuery); if (mysqli_num_rows($result) > 0) { echo json_encode(array('response' => 1)); } else { echo json_encode(array('response' => 0)); } } else { $connection = false; echo "There was an error, please contact web administrator."; return false; } }