'."\n";
if ($use_header_footer) include $footer_file;
}
else {
header("Location: $thank_you_url");
}
session_unset();
session_destroy();
}
} //else submitted
function showForm()
{
global $name, $email, $tel, $subject, $message, $code;
global $where_included, $use_header_footer, $header_file, $footer_file;
global $form_width, $form_height, $form_background, $form_border_color, $form_border_width, $form_border_style, $cell_padding, $left_col_width;
if ($use_header_footer) {
include $header_file;
$form_width = '100%';
}
echo <<
{$GLOBALS['error_message']}
EOD;
if ($use_header_footer) include $footer_file;
}
function clean_var($variable) {
$variable = strip_tags(stripslashes(trim(rtrim($variable))));
return $variable;
}
/**
Email validation function. Thanks to http://www.linuxjournal.com/article/9585
*/
function validEmail($email)
{
$isValid = true;
$atIndex = strrpos($email, "@");
if (is_bool($atIndex) && !$atIndex)
{
$isValid = false;
}
else
{
$domain = substr($email, $atIndex+1);
$local = substr($email, 0, $atIndex);
$localLen = strlen($local);
$domainLen = strlen($domain);
if ($localLen < 1 || $localLen > 64)
{
// local part length exceeded
$isValid = false;
}
else if ($domainLen < 1 || $domainLen > 255)
{
// domain part length exceeded
$isValid = false;
}
else if ($local[0] == '.' || $local[$localLen-1] == '.')
{
// local part starts or ends with '.'
$isValid = false;
}
else if (preg_match('/\\.\\./', $local))
{
// local part has two consecutive dots
$isValid = false;
}
else if (!preg_match('/^[A-Za-z0-9\\-\\.]+$/', $domain))
{
// character not valid in domain part
$isValid = false;
}
else if (preg_match('/\\.\\./', $domain))
{
// domain part has two consecutive dots
$isValid = false;
}
else if (!preg_match('/^(\\\\.|[A-Za-z0-9!#%&`_=\\/$\'*+?^{}|~.-])+$/', str_replace("\\\\","",$local)))
{
// character not valid in local part unless
// local part is quoted
if (!preg_match('/^"(\\\\"|[^"])+"$/',
str_replace("\\\\","",$local)))
{
$isValid = false;
}
}
if ($isValid && function_exists('checkdnsrr'))
{
if (!(checkdnsrr($domain,"MX") || checkdnsrr($domain,"A"))) {
// domain not found in DNS
$isValid = false;
}
}
}
return $isValid;
}
?>