wp_get_http_headers() – Function | Developer.WordPress.org

Retrieves HTTP Headers from URL.

Parameters

$urlstringrequired: URL to retrieve HTTP headers from.
$deprecatedbooloptional: Not Used.
Default:false

Return

WpOrgRequestsUtilityCaseInsensitiveDictionary|false Headers on success, false on failure.

Source

 * @since 1.5.1
 *
 * @param string $url        URL to retrieve HTTP headers from.
 * @param bool   $deprecated Not Used.
 * @return \WpOrg\Requests\Utility\CaseInsensitiveDictionary|false Headers on success, false on failure.
 */
function wp_get_http_headers( $url, $deprecated = false ) {
	if ( ! empty( $deprecated ) ) {
		_deprecated_argument( __FUNCTION__, '2.7.0' );
	}

	$response = wp_safe_remote_head( $url );

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Changelog

Version	Description
1.5.1	Introduced.

User Contributed Notes

Skip to note 2 content

Sergio Scabuzzo 2 years ago

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Use the returned class’ (WpOrgRequestsUtilityCaseInsensitiveDictionary) methods to get usable data:
```
$response = wp_get_http_headers( 'https://wordpress.org' );
print_r( $response->getAll() );
```
Array
(
[server] => nginx
[date] => Sat, 09 Sep 2023 04:27:52 GMT
[content-type] => text/html; charset=UTF-8
[vary] => Accept-Encoding
[strict-transport-security] => max-age=3600
[x-olaf] => ⛄[link] => Array
(
[0] => ; rel=”https://api.w.org/”
[1] => ; rel=”alternate”; type=”application/json”
[2] => ; rel=shortlink
)

[x-frame-options] => SAMEORIGIN
[content-encoding] => gzip
[x-nc] => EXPIRED ord 1
)
```
print_r($response->offsetGet('server'));
```
nginx
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wp_get_http_headers( string $url, bool $deprecated = false ): WpOrgRequestsUtilityCaseInsensitiveDictionary|false

In this article

Parameters

Return

Source

Changelog

User Contributed Notes