hilda

Hello everyone I've got a salary.txt as follow: And the php code with follow:<?$salary = file("salary.txt");echo max($salary);echo min($salary);?> But the output is: 900017000 Any ideas? Thanks!

HiHere is the login page <?session_start(); session_register("login_session"); $username = "";$password = ""; if (isset($_POST["Username"])) $username = $_POST["Username"];if (isset($_POST["Password"])) $password = $_POST["Password"]; if ($username != "" && $password != "") { $link = mysql_connect("localhost","root","root"); mysql_select_db("database"); $sql = "SELECT * FROM trainee WHERE password='"; $sql.= $password."' AND username='".$username."'"; $result = mysql_query($sql); if (mysql_fetch_row($result) != false) { $_SESSION["login_session"] = true; if ($username = "trainee"){ header("Location: student.php");} }else echo '<script type="text/javascript"> window.onload=function(){alert("It is incorrect! Please enter again!");} </script>'; mysql_close($link);}?> Below is the form for login <div class="sidebar"> <div class="sidebar_item" id="login_form"> <p> </p> <form method="post" action="login_stu.php"> <fieldset> <legend align="center">Trainee Login</legend> <p> <label for="ID"> Username:</label> <input type="text" name="Username" /> </p> <p> <label for="PASSWORD"> Password:<br /> </label> <input type="password" name="Password" /> </p> <p align="center"> <input type="submit" name="submit" value="Login" style="height:1.7em; width:3.5em;"/> </p> </fieldset> </form> </div> </div> I got a page requiring me to display the usernameAnd I have tried the following code but failed. <?session_start();echo $_SESSION['username'];?> <?session_start();echo $username;?> Any idea? Thank you.