apply_filters( 'smilies_src', string $smiley_url, string $img, string $site_url )
Filters the Smiley image URL before it’s used in the image element.
Parameters
- $smiley_url
 -  
(string) URL for the smiley image.
 - $img
 -  
(string) Filename for the smiley image.
 - $site_url
 -  
(string) Site URL, as returned by site_url().
 
Source
Changelog
| Version | Description | 
|---|---|
| 2.9.0 | Introduced. | 
    © 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
    https://developer.wordpress.org/reference/hooks/smilies_src