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create table user_info (
user_id char(18),
fname char(15),
email char(35));
//File: index.php
<?
$form = "
<form action=\"index.php\" method=\"post\">
<input type=\"hidden\" name=\"seenform\" value=\"y\">
Your first name?:<br>
<input type=\"text\" name=\"fname\" value=\"\"><br>
Your email?:<br>
<input type=\"text\" name=\"email\" value=\"\"><br>
<input type=\"submit\" value=\"Register!\">
</form>
";
if ((! isset ($seenform)) && (! isset ($userid))) :
print $form;
elseif (isset ($seenform) && (! isset ($userid))) :
$uniq_id = uniqid(rand());
@mysql_pconnect("localhost", "root", "") or die("Could not connect to MySQL server!");
@mysql_select_db("user") or die("Could not select user database!");
$query = "INSERT INTO user_info VALUES('$uniq_id', '$fname', '$email')";
$result = mysql_query($query) or die("Could not insert user information!");
setcookie ("userid", $uniq_id, time()+2592000);
print "Congratulations $fname! You are now registered!.";
elseif (isset($userid)) :
@mysql_pconnect("localhost", "root", "") or die("Could not connect to MySQL server!");
@mysql_select_db("user") or die("Could not select user database!");
$query = "SELECT * FROM user_info WHERE user_id = '$userid'";
$result = mysql_query($query) or die("Could not extract user information!");
$row = mysql_fetch_array($result);
print "Hi ".$row["fname"].",<br>";
print "Your email address is ".$row["email"];
endif;
?>
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