Online PHP editor | perf for tiUqB

<?php <?php session_start(); // ***************************************** // // ********** DECLARE VARIABLES ********** // // ***************************************** // $username = 'username'; $password = 'password'; $random1 = 'secret_key1'; $random2 = 'secret_key2'; $hash = md5($random1.$pass.$random2); $self = $_SERVER['REQUEST_URI']; // ************************************ // // ********** USER LOGOUT ********** // // ************************************ // if(isset($_GET['logout'])) { unset($_SESSION['login']); } // *********************************************** // // ********** USER IS LOGGED IN ********** // // *********************************************** // if (isset($_SESSION['login']) && $_SESSION['login'] == $hash) { ?> <p>Hello <?php echo $username; ?>, you have successfully logged in!</p> <a href="?logout=true">Logout?</a> <?php } // *********************************************** // // ********** FORM HAS BEEN SUBMITTED ********** // // *********************************************** // else if (isset($_POST['submit'])) { if ($_POST['username'] == $username && $_POST['password'] == $password){ //IF USERNAME AND PASSWORD ARE CORRECT SET THE LOG-IN SESSION $_SESSION["login"] = $hash; header("Location: $_SERVER[PHP_SELF]"); } else { // DISPLAY FORM WITH ERROR display_login_form(); echo '<p>Username or password is invalid</p>'; } } // *********************************************** // // ********** SHOW THE LOG-IN FORM ********** // // *********************************************** // else { display_login_form(); } function display_login_form(){ ?> <form action="<?php echo $self; ?>" method='post'> <label for="username">username</label> <input type="text" name="username" id="username"> <label for="password">password</label> <input type="password" name="password" id="password"> <input type="submit" name="submit" value="submit"> </form> <?php } ?>

Version	System time (s)	User time (s)	Memory (MiB)
7.0.1	0.000	0.047	20.12
7.0.0	0.017	0.043	20.05
5.6.16	0.007	0.083	20.54
5.6.15	0.010	0.043	18.25
5.6.14	0.013	0.037	18.25
5.6.13	0.007	0.060	18.14
5.6.12	0.003	0.047	21.09
5.6.11	0.007	0.080	20.95
5.6.10	0.020	0.060	21.13
5.6.9	0.017	0.077	21.03
5.6.8	0.010	0.077	20.37
5.5.30	0.010	0.037	17.98
5.5.29	0.010	0.040	17.98
5.5.28	0.003	0.040	20.87
5.5.27	0.010	0.070	20.95
5.5.26	0.003	0.090	20.64
5.5.25	0.000	0.053	20.61
5.5.24	0.017	0.070	20.36