SO-7664670

<?php
if (array_key_exists('submit', $_POST))
{
    foreach ($_POST as $key => $val)
    {
        ${$key} = trim( strip_tags($val) );

        // Not needed, just a flag for this sample
        $submitted = TRUE;
    }
}
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style type="text/css">
input
{
    display:block;
    margin-bottom:10px;
}
form
{
    margin-top:15px;
}
</style>
</head>
<body>
<?php
if(isset($submitted))
{
    echo "$street, $city, $state, $zip";
}
?>
<form method="post" id="form1" action="<?php htmlentities($_SERVER['PHP_SELF'], ENT_QUOTES, 'UTF-8'); ?>">
<fieldset>
    <legend>Personal Information</legend>
    <label>First Name</label>
    <input type="text" name="firstName" id="firstName" value="" tabindex="1" />

    <label>last Name</label>
    <input type="text" name="lastName" id="lastName" value="" tabindex="2" />

    <label>Email Address</label>
    <input type="text" name="email" id="email" value="" tabindex="3" />

    <label>Street</label>
    <input type="text" name="street" id="street" value="" tabindex="4" />

    <label>City</label>
    <input type="text" name="city" id="city" value="" tabindex="5" />

    <label>State</label>
    <input type="text" name="state" id="state" value="" tabindex="7" />

    <label>Zip</label>
    <input type="text" name="zip" id="zip" value="" tabindex="8" />

    <input type="submit" name="submit" id="submit" value="Submit" tabindex="7" />
</fieldset>
</form>
</body>
</html>