function Headers::isUniqueHeader

1 call to Headers::isUniqueHeader()

MessageListener::setHeaders in vendor/symfony/mailer/EventListener/MessageListener.php

File

vendor/symfony/mime/Header/Headers.php, line 218

Class

Headers

A collection of headers.

Namespace

Symfony\Component\Mime\Header

Code

public static function isUniqueHeader(string $name) : bool {
    return \in_array(strtolower($name), self::UNIQUE_HEADERS, true);
}