As PHP version 5.5 is no longer supported by the community, we strongly recommend new apps use the PHP 7 runtime.

API Documentation

\google\appengine\api\mail

Classes

AdminMessage

Allows users to send mail to application admins using the App Engine mail APIs.

BaseMessage

Abstract base class for sending mail using the App Engine mail APIs.

Message

Allows users to send mail using the App Engine mail APIs.

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App Engine standard environment for PHP 5