apply_filters( 'http_headers_useragent', string $user_agent, string $url )
Filters the user agent value sent with an HTTP request.
Parameters
- $user_agent
 -  
(string) WordPress user agent string.
 - $url
 -  
(string) The request URL.
 
Source
Changelog
| Version | Description | 
|---|---|
| 5.1.0 | The $url parameter was added. |  
| 2.7.0 | Introduced. | 
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Licensed under the GNU GPLv2+ License.
    https://developer.wordpress.org/reference/hooks/http_headers_useragent