Create an XHTML form that collects a name, address, phone number, and zip code.
ID: 3557294 • Letter: C
Question
Create an XHTML form that collects a name, address, phone number, and zip code. The phone number must be input in the format of ddd-ddd-dddd and the zip code must be in the format of ddddd-dddd. Write a PHP script that checks the submitted information and verifies the format of the phone number and zip code. If the information correctly matches the format, display the information contained in the submitted form. If the data does not match the required format, return an error message exampling the format problem.
Explanation / Answer
i am giving you the code of one i developed similar to this i hopr this helps...
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>Validating User Input.</title>
<style type="text/css">
<!--
label,input {
display: block;
width: 150px;
float: left;
margin-bottom: 10px;
}
label {
text-align: right;
width: 75px;
padding-right: 20px;
}
br {
clear: left;
}
-->
</style>
</head>
<body>
<h3>* denotes required field!</h3>
<form action="<?php echo $_SERVER['PHP_SELF'];?>" method="post">
<p>
<label for="name">Name</label>
<input id="name" type="text" name="userName" maxlength="25" />*<br />
<label for="address">Address</label>
<input id="address" type="text" name="userAddress" maxlength="100" /><br />
<label for="city">City</label>
<input id="city" type="text" name="userCity" maxlength="25" /><br />
<label for="zip">Zip</label>
<input id="zip" type="text" name="userZip" maxlength="5" /><br />
<label for="email">Email</label>
<input id="email" type="text" name="userEmail" maxlength="50" />*<br />
<label for="submit">Submit</label>
<input id="submit" type="submit" value="Mail It!" /><br />
</p>
</form>
<?php
/**
* This function can be used to check the sanity of variables
*
* @access private
*
* @param string $type The type of variable can be bool, float, numeric, string, array, or object
* @param string $string The variable name you would like to check
* @param string $length The maximum length of the variable
*
* return bool
*/
function sanityCheck($string, $type, $length){
// assign the type
$type = 'is_'.$type;
if(!$type($string))
{
return FALSE;
}
// now we see if there is anything in the string
elseif(empty($string))
{
return FALSE;
}
// then we check how long the string is
elseif(strlen($string) > $length)
{
return FALSE;
}
else
{
// if all is well, we return TRUE
return TRUE;
}
}
/**
* This function if the $_POST vars are set
*
* @access private
*
* return bool
*/
function checkSet(){
return isset($_POST['userName'], $_POST['userAddress'], $_POST['userCity'], $_POST['userZip'], $_POST['userEmail']);
}
/**
* This function checks a number is greater than zero
* and exactly $length digits. returns TRUE on success.
*
* @access private
*
* @param int $num The number to check
* @param int $length The number of digits in the number
*
* return bool
*/
function checkNumber($num, $length){
if($num > 0 && strlen($num) == $length)
{
return TRUE;
}
}
/**
* This function checks if an email address in a valid format
*
* @access private
*
* @param string $email The email address to check
*
* return bool
*/
function checkEmail($email){
return preg_match('/^S+@[wd.-]{2,}.[w]{2,6}$/iU', $email) ? TRUE : FALSE;
}
// check all our variables are set
if(checkSet() != FALSE)
{
// check the POST variable userName is sane, and is not empty
if(empty($_POST['userName'])==FALSE && sanityCheck($_POST['userName'], 'string', 25) != FALSE)
{
//If all is well we can assign the value of POST field to a variable
$userName = $_POST['userName'];
}
else
{
// if all is not well, we echo an error and exit the script
echo 'Username is not set';
exit();
}
// here we test for the sanity of userAddress, we dont need to stop the
// the script if it is empty as it is not a required field.
if(sanityCheck($_POST['userAddress'], 'string', 100) != FALSE)
{
// if all is well we assign the userAddress to a variable
$userAddress = $_POST['userAddress'];
}
else
{
// if all is not well, we simply give the userAddress a blank value
$userAddress = '';
}
// here we test for the sanity of userCity, we dont need to stop the
// the script if it is empty as it is not a required field.
if(sanityCheck($_POST['userCity'], 'string', 25) != FALSE)
{
// again we assign the POSTed value to a variable
$userCity = $_POST['userCity'];
}
else
{
// or give the variable a blank value
$userCity = '';
}
// check the sanity of the number and that it is greater than zero and 5 digits long
if(sanityCheck($_POST['userZip'], 'numeric', 5) != FALSE && checkNumber($_POST['userZip'], 5) == TRUE)
{
// if the number is valid, we assign it to a variable
$userZip = $_POST['userZip'];
}
else
{
// or give the variable a blank value
$userZip='';
}
// check the sanity of the userEmail sent from the form
if(sanityCheck($_POST['userEmail'], 'string', 5) != FALSE && checkEmail($_POST['userEmail']) != FALSE)
{
// if the checks are ok for the email we assign the email address to a variable
$userEmail = $_POST['userEmail'];
}
else
{
// if all is not well we echo an error message
echo 'Invalid Email Address Supplied';
// and exit the script
exit();
}
// Connect to the MySQL
$link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
if (!$link)
{
die('Not connected : ' . mysql_error());
}
// select test as the current db
$db_selected = mysql_select_db('test', $link);
if (!$db_selected)
{
die ("Database not selected : " . mysql_error());
}
// Build our query here and check each variable with mysql_real_escape_string()
$query = sprintf("INSERT INTO people (userName, userAddress, userCity, userZip, userEmail)
VALUES( '%s', '%s','%s','%s','%s')",
mysql_real_escape_string($userName),
mysql_real_escape_string($userAddress),
mysql_real_escape_string($userCity),
mysql_real_escape_string($userZip),
mysql_real_escape_string($userEmail));
// run the query
if(!mysql_query($query))
{
echo 'Query failed '.mysql_error();
exit();
}
else
{
// if all is well we mail off a little thank you email. We know it is
// safe to do so because we have validated the email address.
$subject = 'Submission';
$msg= 'Thank you for submitting your information';
if(!mail($userEmail,$subject,$msg, "From: $userEmail Reply-To: $userEmail X-Mailer: PHP/" . phpversion()))
{
echo 'Unable to send confirmation mail';
}
else
{
echo 'Thank you for your submission, a confirmation email has bee sent to '.$userEmail;
}
}
}
else
{
// this will be the default message if the form accessed without POSTing
echo '<p>Please fill in the form above</p>';
}
?>
</body>
</html>
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