function isSuspect($value, $pattern, &$suspect)
{
if (is_array($value)) {
foreach ($value as $item) {
isSuspect($item, $pattern, $suspect);
}
} else {
if (preg_match($pattern, $value)) {
$suspect = true;
}
}
}
function isSuspect($val, $pattern, &$suspect)
{
if (is_array($val)) {
foreach ($val as $item) {
isSuspect($item, $pattern, $suspect);
}
} else {
// If the pattern matches, set $suspect to true.
if (preg_match($pattern, $val)) {
$suspect = true;
}
}
}
function isSuspect($val, $pattern, &$suspect)
{
if (is_array($val)) {
foreach ($val as $item) {
isSuspect($item, $pattern, $suspect);
}
} else {
// if one of the suspect phrases is found, set Boolean to true
if (preg_match($pattern, $val)) {
$suspect = true;
}
}
}
function isSuspect($val, $pattern, &$suspect)
{
//if the variable is an array, loop through each element
//and pass it recursively back to the same function
if (is_array($val)) {
foreach ($val as $item) {
isSuspect($item, $pattern, $suspect);
}
} else {
//if one of the suspect phrases is found, set Boolean to true
if (preg_match($pattern, $val)) {
$suspect = true;
}
}
}
<?php
$m_missing = "";
$mail_error = "";
$c_values = array('email' => '', 'subject' => '', 'message' => '');
extract($c_values);
if (isset($_POST['contactus'])) {
$suspect = false;
$pattern = '/Content-Type:|Bcc:|Cc:/i';
function isSuspect($val, $pattern, &$suspect)
{
foreach ($val as $item) {
$suspect = preg_match($pattern, $item) ? true : false;
}
}
isSuspect($_POST, $pattern, $suspect);
if (!$suspect) {
foreach ($_POST as $key => $value) {
$value = pure_it($value);
empty($value) ? $m_missing = "Please fill out all the fileds." : (${$key} = $value);
}
}
$headers = "";
if (!$suspect && !empty($email)) {
$validemail = filter_input(INPUT_POST, 'email', FILTER_VALIDATE_EMAIL);
if ($validemail) {
$headers .= "From: {$validemail}\r\n";
} else {
$mail_error = "Invalid email address!";
}
}
