Oihana Php Enums

InformationalHeaderTrait

Informational header field names (RFC 5322 §3.6.5).

COMMENTS : string = 'Comments': `Comments` — Additional comments on the message body (may repeat).
KEYWORDS : string = 'Keywords': `Keywords` — Comma-separated list of keywords / phrases (may repeat).
SUBJECT : string = 'Subject': `Subject` — Topic of the message.

`Comments` — Additional comments on the message body (may repeat).


    public
        string
    COMMENTS
    = 'Comments'

`Keywords` — Comma-separated list of keywords / phrases (may repeat).


    public
        string
    KEYWORDS
    = 'Keywords'

`Subject` — Topic of the message.


    public
        string
    SUBJECT
    = 'Subject'