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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 |
---|---|
4494 | * Filters the avatar URL. |
4495 | * |
4496 | * @since 4.2.0 |
4497 | * |
4498 | * @param string $url The URL of the avatar. |
4499 | * @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash, |
4500 | * user email, WP_User object, WP_Post object, or WP_Comment object. |
4501 | * @param array $args Arguments passed to get_avatar_data(), after processing. |
4502 | */ |
4503 | $args['url'] = apply_filters( 'get_avatar_url', $url, $id_or_email, $args ); |
4504 |
|
4505 | /** |
4506 | * Filters the avatar data. |
4507 | * |
4508 | * @since 4.2.0 |
4509 | * |
4510 | * @param array $args Arguments passed to get_avatar_data(), after processing. |
4511 | * @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash, |
4512 | * user email, WP_User object, WP_Post object, or WP_Comment object. |