The set of SMTP extensions sent in reply to EHLO command. Indexes of the array are extension names. Value at index 'HELO' or 'EHLO' (according to command that was sent) represents the server name. In case of HELO it is the only element of the array. Other values can be boolean TRUE or an array containing extension options. If null, no HELO/EHLO string has yet been received.

Type: array|null

File

inc/PHPMailer/src/SMTP.php, line 212

Class

SMTP

PHPMailer RFC821 SMTP email transport class. Implements RFC 821 SMTP commands and provides some utility methods for sending mail to an SMTP server.

Code

protected $server_caps = null;