<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-gb" lang="en-gb" >
 
<head>
        <title>zSignin Form (v0.9BETA)</title>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <link href="base.css" rel="stylesheet" type="text/css" />
</head>
<body>
<?php
 
$error = array();
 
function displaylogin(){
        print '<form class="signin" method="POST" action' . $_SERVER['PHP_SELF'] . '>';
        print '<h3>Sign in here</h3>';
        print 'Username <input type="text" name="luser" size="8" value="' . $_REQUEST['luser'] . '" /><br />';
        print 'Password <input type="password" name="lpass" size="8:" /><br />';
        print '<input type="submit" value="Go!" />';
        print '</form>';
}
 
$filename = md5($_REQUEST['luser']);
 
if (!file_exists($filename)) { //checks if the username exists
        $error[] = '<span class="error">We can`t find that user, are you sure you have an account?</span>';
} else {
        $fp = fopen($filename, "r"); //takes data from user file and stores in an array
        while (!feof($fp)) {
                $userdetails[] = fgets($fp, 1024);
        }       
        /* order of details in array
        username
        Fname Sname
        password
        email
        */
        echo $_REQUEST['lpass'] . '<br />' . $userdetails[2] . '<br />'; //testing purposes only: display submitted password and the password on file
        if (!($_REQUEST['lpass'] == $userdetails[2])) //compares the passwords. If not the same, should populate the error array
                $error[] = '<span class="error">Your password seems to be wrong. Have another go.</span>';
}
 
if (!$_REQUEST['luser'] || !$_REQUEST['lpass']) { //checks both fields have been filled in
        echo '<span class="error">You need to fill in both fields, otherwise we can`t tell who you are!</span>';
        displaylogin();
} else if (!$error[0] == "" ){  //if errors exist, print them and redisplay the form
        foreach ($error as $errorout) {
                print $errorout . "<br />";
        }
        displaylogin();
} else { //if no errors, print hello user
        print "Hello, " . $userdetails[0];
}
 
?>
 
</body>
</html>

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>
	<title>zSignin Form (v0.9BETA)</title>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<link href="base.css" rel="stylesheet" type="text/css" />
</head>
<body>
<?php

$error = array();

function displaylogin(){
	print '<form class="signin" method="POST" action' . $_SERVER['PHP_SELF'] . '>';
	print '<h3>Sign in here</h3>';
	print 'Username <input type="text" name="luser" size="8" value="' . $_REQUEST['luser'] . '" /><br />';
	print 'Password <input type="password" name="lpass" size="8:" /><br />';
	print '<input type="submit" value="Go!" />';
	print '</form>';
}

$filename = md5($_REQUEST['luser']);

if (!file_exists($filename)) { //checks if the username exists
	$error[] = '<span class="error">We can`t find that user, are you sure you have an account?</span>';
} else {
	$fp = fopen($filename, "r"); //takes data from user file and stores in an array
	while (!feof($fp)) {
		$userdetails[] = fgets($fp, 1024);
	}	
	/* order of details in array
	username
	Fname Sname
	password
	email
	*/
	echo $_REQUEST['lpass'] . '<br />' . $userdetails[2] . '<br />'; //testing purposes only: display submitted password and the password on file
	if (!($_REQUEST['lpass'] == $userdetails[2])) //compares the passwords. If not the same, should populate the error array
		$error[] = '<span class="error">Your password seems to be wrong. Have another go.</span>';
}

if (!$_REQUEST['luser'] || !$_REQUEST['lpass']) { //checks both fields have been filled in
	echo '<span class="error">You need to fill in both fields, otherwise we can`t tell who you are!</span>';
	displaylogin();
} else if (!$error[0] == "" ){  //if errors exist, print them and redisplay the form
	foreach ($error as $errorout) {
		print $errorout . "<br />";
	}
	displaylogin();
} else { //if no errors, print hello user
	print "Hello, " . $userdetails[0];
}

</body>
</html>

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