vendor/phpmailer/README.md
（开头部分） 13KB这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。
# PHPMailer - A full-featured email creation and transfer class for PHP
Build status: [](https://travis-ci.org/PHPMailer/PHPMailer)
[](https://scrutinizer-ci.com/g/PHPMailer/PHPMailer/)
[](https://scrutinizer-ci.com/g/PHPMailer/PHPMailer/)
[](https://packagist.org/packages/phpmailer/phpmailer) [](https://packagist.org/packages/phpmailer/phpmailer) [](https://packagist.org/packages/phpmailer/phpmailer) [](https://packagist.org/packages/phpmailer/phpmailer)
## Class Features
- Probably the world's most popular code for sending email from PHP!
- Used by many open-source projects: WordPress, Drupal, 1CRM, SugarCRM, Yii, Joomla! and many more
- Integrated SMTP support - send without a local mail server
- Send emails with multiple TOs, CCs, BCCs and REPLY-TOs
- Multipart/alternative emails for mail clients that do not read HTML email
- Support for UTF-8 content and 8bit, base64, binary, and quoted-printable encodings
- SMTP authentication with LOGIN, PLAIN, NTLM, CRAM-MD5 and Google's XOAUTH2 mechanisms over SSL and TLS transports
- Error messages in 47 languages!
- DKIM and S/MIME signing support
- Compatible with PHP 5.0 and later
- Much more!
## Why you might need it
Many PHP developers utilize email in their code. The only PHP function that supports this is the `mail()` function. However, it does not provide any assistance for making use of popular features such as HTML-based emails and attachments.
Formatting email correctly is surprisingly difficult. There are myriad overlapping RFCs, requiring tight adherence to horribly complicated formatting and encoding rules - the vast majority of code that you'll find online that uses the `mail()` function directly is just plain wrong!
*Please* don't be tempted to do it yourself - if you don't use PHPMailer, there are many other excellent libraries that you should look at before rolling your own - try SwiftMailer, Zend_Mail, eZcomponents etc.
The PHP `mail()` function usually sends via a local mail server, typically fronted by a `sendmail` binary on Linux, BSD and OS X platforms, however, Windows usually doesn't include a local mail server; PHPMailer's integrated SMTP implementation allows email sending on Windows platforms without a local mail server.
## License
This software is distributed under the [LGPL 2.1](http://www.gnu.org/licenses/lgpl-2.1.html) license. Please read LICENSE for information on the
software availability and distribution.
## Installation & loading
PHPMailer is available via [Composer/Packagist](https://packagist.org/packages/phpmailer/phpmailer) (using semantic versioning), so just add this line to your `composer.json` file:
```json
"phpmailer/phpmailer": "~5.2"
```
or
```sh
composer require phpmailer/phpmailer
```
If you want to use the Gmail XOAUTH2 authentication class, you will also need to add a dependency on the `league/oauth2-google` package.
Alternatively, copy the contents of the PHPMailer folder into one of the `include_path` directories specified in your PHP configuration. If you don't speak git or just want a tarball, click the 'zip' button at the top of the page in GitHub.
If you're not using composer's autoloader, PHPMailer provides an SPL-compatible autoloader, and that is the preferred way of loading the library - just `require '/path/to/PHPMailerAutoload.php';` and everything should work. The autoloader does not throw errors if it can't find classes so it prepends itself to the SPL list, allowing your own (or your framework's) autoloader to catch errors. SPL autoloading was introduced in PHP 5.1.0, so if you are using a version older than that you will need to require/include each class manually.
PHPMailer does *not* declare a namespace because namespaces were only introduced in PHP 5.3.
后面还有 136 行代码，购买后查看完整代码
24 小时内免费解锁 3 个项目，之后 1 积分/个。 规则说明
AI 解读
登录后可用，每次 10 积分，解读结果公开显示在下面。
还没有人解读过这个文件。
