tag
print '';
}
function display_form($defaults) {
global $subject_options;
?>
$value ) { $data[$key] = trim($value); }
if (empty($data['email'])) {
$errors[] = "Email address is required";
} elseif (! preg_match( '/^[^@\s]+@([-a-z0-9]+\.)+[a-z]{2,}$/i',$data['email'])) {
$errors[] = 'Email address appears to be invalid';
}
if (empty($data['comments'])) {
$errors[] = 'The comments field is required';
}
if (strlen($data['comments']) > 3000 ) {
$errors[] = 'The comments field exceeds the maximum length';
}
if (!empty($data['phone']) && 10 != strlen(preg_replace('/\D/','',$data['phone']))) {
$errors[] = 'Your phone number must contain 10 digits.';
}
if (empty($data['subject'])) {
$errors[] = 'Subject field is required';
}
if (! array_key_exists($data['subject'],$GLOBALS['subject_options'])) {
$errors[] = 'Invalid subject field';
}
return $errors;
}
function process($data) {
echo "
Thank you for your submission. Your comments are genuinely appreciated.
";
}
// end function definitions ///////////////////////////
// begin form-handling logic ///////////////////////////
$subject_options = array(''=>'[select one]','rant'=>'rant','praise'=>'praise','question'=>'question');
if ($_POST) {
$errors = validate_form($_POST);
if ($errors) {
echo "
Sorry, we are unable to process your submission because: