is_email WordPress Filter Hook
The is_email Wordpress hook is a great way to ensure that a user's email address is valid. This hook can be used to validate an email address before it is stored in a database or sent to a third-party service.
apply_filters( 'is_email', string|false $is_email , string $email , string $context ) #
Filters whether an email address is valid.
Description
This filter is evaluated under several different contexts, such as ’email_too_short’, ’email_no_at’, ‘local_invalid_chars’, ‘domain_period_sequence’, ‘domain_period_limits’, ‘domain_no_periods’, ‘sub_hyphen_limits’, ‘sub_invalid_chars’, or no specific context.
Parameters
- $is_email
(string|false)The email address if successfully passed the is_email() checks, false otherwise.
(string)The email address being checked.
- $context
(string)Context under which the email was tested.
Source
Changelog
| Version | Description |
|---|---|
| 2.8.0 | Introduced. |