function sparkpost_allowed_headers in Sparkpost email 7
Same name and namespace in other branches
- 7.2 sparkpost.module \sparkpost_allowed_headers()
Limit headers to SparkPost whitelist.
Parameters
array $headers: Array of headers.
Return value
array Array of headers.
1 call to sparkpost_allowed_headers()
- SparkpostMailSystem::mail in includes/
sparkpost.mail.inc - Send the email message.
File
- ./
sparkpost.module, line 234 - Sparkpost integration.
Code
function sparkpost_allowed_headers($headers = array()) {
foreach ($headers as $header => $value) {
if (strpos($header, 'X-') === 0) {
continue;
}
elseif (in_array($header, array(
'Return-Path',
'Cc',
))) {
// Only Return-Path and Cc are supported.
// Bcc recipients will be added to recipient list automatically and
// removed from here.
continue;
}
unset($headers[$header]);
}
return $headers;
}