<form name="foo" action="adduser" method="post">
Username: <input type="text" name="username" value="<?=$_POST['username']?>" /><br />
Password: <input type="password" name="password" value="<?=$_POST['password']?>" />
</form><?php
if (!empty($_POST['username']) && !empty($_POST['password'])) {
// your code here
}
else {
// do something else, as password or username was missing!
}
?>
localhost/test');
<?php
//first, check whether a form was submitted
if (isset($_POST['some_field_from_the_form']))
{
//we have input, let's proccess it
if (is_valid_input_from_form())
{
//produce "success" web page or send user
//to another page using header('Location...')
}
else
{
//reproduce the form, but with an error
//message describing what the user did wrong
//and the fields pre-filled-in with the user's
//last-submitted data
}
}
else
{
//we have no input, so we output our blank form
}
?>...
<form action="save.php" method="POST">
<table>
<tr>
<td width=90><span class=style12>Ime:</td><td width=150><input type="text" name="[red]firsname[/red]" /></td></tr>
<tr><td width=90><span class=style12>Prezime:</td><td width=150><input type="text" name="[red]lastname[/red]" /></td></tr>
...<?php
session_start();
if ((!empty($_POST['username']) && !empty($_POST['password'])) && $_POST['do'] == "add") {
// your code here
$_SESSION['unam'] = $_POST['username'];
$_SESSION['upass'] = $_POST['password'];
//unset($_POST['username']);
//unset($_POST['password']);
echo "username: {$_SESSION['unam']} - Password: {$_SESSION['upass']}
<form name=\"foo\" action=\"?\" method=\"post\">
<input type=\"submit\" value=\"modify\" action=\"submit\" />
</form>
";
}
else {
echo "
<form name=\"foo\" action=\"?\" method=\"post\">
Username: <input type=\"text\" name=\"username\" value=\"{$_SESSION['unam']}\" /><br />
Password: <input type=\"password\" name=\"password\" value=\"{$_SESSION['upass']}\" />
<input type=\"hidden\" name=\"do\" value=\"add\" />
<input type=\"submit\" value=\"add\" action=\"submit\" />
</form>";
}
?>echo $_POST['some_variable'];