PHP/Login Authentication/User Registration — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Текущая версия на 07:05, 26 мая 2010
Adding a User
<html>
<body>
<?php
$self = $_SERVER["PHP_SELF"];
$firstname = $_POST["firstname"];
$lastname = $_POST["lastname"];
$username = $_POST["username"];
$password = $_POST["password"];
if( (!$firstname) or (!$lastname) or (!$username) or (!$password) )
{
$form ="Please enter all new user details...";
$form.="<form action=\"$self\"";
$form.=" method=\"post\">First Name: ";
$form.="<input type=\"text\" name=\"firstname\"";
$form.=" value=\"$firstname\"><br>Last Name: ";
$form.="<input type=\"text\" name=\"lastname\"";
$form.=" value=\"$lastname\"><br>User Name: ";
$form.="<input type=\"text\" name=\"username\"";
$form.=" value=\"$username\"><br>Password: ";
$form.="<input type=\"text\" name=\"password\"";
$form.=" value=\"$password\"><br>";
$form.="<input type=\"submit\" value=\"Submit\">";
$form.="</form>";
echo($form);
}
else
{
$conn = @mysql_connect("localhost","root", "") or die("Could not connect to MySQL");
$db = @mysql_select_db("my_database",$conn) or die("Could not select database");
$sql = "insert into users (first_name,last_name,user_name,password)values (\"$firstname\",\"$lastname\",\"$username\",password(\"$password\") )";
$result = @mysql_query($sql,$conn)or die("Could not execute query");
if($result){
echo("New user $username added");
}
}
?>
</body></html>
A user registration process
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;
?>