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.

$email

(string) The email address being checked.

$context

(string) Context under which the email was tested.

Source

File: wp-includes/formatting.php

View on Trac

Used By

Used By Description
wp-includes/formatting.php: is_email()

Verifies that an email is valid.

Changelog

Version Description
2.8.0 Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/hooks/is_email