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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 3669 | /** |
| 3670 | * Filter the avatar URL. |
| 3671 | * |
| 3672 | * @since 4.2.0 |
| 3673 | * |
| 3674 | * @param string $url The URL of the avatar. |
| 3675 | * @param int|object|string $id_or_email A user ID, email address, or comment object. |
| 3676 | * @param array $args Arguments passed to get_avatar_data(), after processing. |
| 3677 | */ |
| 3678 | $args['url'] = apply_filters( 'get_avatar_url', $url, $id_or_email, $args ); |
| 3679 | |
| 3680 | /** |
| 3681 | * Filter the avatar data. |
| 3682 | * |
| 3683 | * @since 4.2.0 |
| 3684 | * |
| 3685 | * @param array $args Arguments passed to get_avatar_data(), after processing. |
| 3686 | * @param int|object|string $id_or_email A user ID, email address, or comment object. |
| 3687 | */ |