Title: Requests_SSL::verify_reference_name
Published: August 16, 2016
Last modified: November 2, 2022

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# Requests_SSL::verify_reference_name( string $reference ): boolean

## In this article

 * [Description](https://developer.wordpress.org/reference/classes/requests_ssl/verify_reference_name/?output_format=md#description)
 * [Parameters](https://developer.wordpress.org/reference/classes/requests_ssl/verify_reference_name/?output_format=md#parameters)
 * [Return](https://developer.wordpress.org/reference/classes/requests_ssl/verify_reference_name/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/requests_ssl/verify_reference_name/?output_format=md#source)

[ Back to top](https://developer.wordpress.org/reference/classes/requests_ssl/verify_reference_name/?output_format=md#wp--skip-link--target)

Verify that a reference name is valid

## 󠀁[Description](https://developer.wordpress.org/reference/classes/requests_ssl/verify_reference_name/?output_format=md#description)󠁿

Verifies a dNSName for HTTPS usage, (almost) as per Firefox’s rules:

 * Wildcards can only occur in a name with more than 3 components
 * Wildcards can only occur as the last character in the first component
 * Wildcards may be preceded by additional characters

We modify these rules to be a bit stricter and only allow the wildcard character
to be the full first component; that is, with the exclusion of the third rule.

## 󠀁[Parameters](https://developer.wordpress.org/reference/classes/requests_ssl/verify_reference_name/?output_format=md#parameters)󠁿

 `$reference`stringrequired

Reference dNSName

## 󠀁[Return](https://developer.wordpress.org/reference/classes/requests_ssl/verify_reference_name/?output_format=md#return)󠁿

 boolean Is the name valid?

## 󠀁[Source](https://developer.wordpress.org/reference/classes/requests_ssl/verify_reference_name/?output_format=md#source)󠁿

[View all references](https://developer.wordpress.org/reference/files/wp-includes/requests/ssl.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/Requests/SSL.php#L83)

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