echo (string) $mimeType; // prints "text/html;charset=UTF-8"
echo (string) $mimeType; // prints "text/html;charset=UTF-8"
```
```
### MIME type groups
The MIME Sniffing specification defines a series of [MIME type groups](https://mimesniff.spec.whatwg.org/#mime-type-groups); these are exposed via the boolean properties `isArchive`, `isAudioVideo`, `isFont`, `isHtml`, `isImage`, `isJavascript`, `isJson`, `isScriptable`, `isXml`, and `isZipBased`. For example: