wp_remote_retrieve_headers( array|WP_Error $response )
Retrieve only the headers from the raw response.
Description
See also
Parameters
- $response
-
(array|WP_Error) (Required) HTTP response.
Return
(array|Requests_Utility_CaseInsensitiveDictionary) The headers of the response. Empty array if incorrect parameter given.
Source
File: wp-includes/http.php
function wp_remote_retrieve_headers( $response ) {
if ( is_wp_error( $response ) || ! isset( $response['headers'] ) ) {
return array();
}
return $response['headers'];
}
Changelog
| Version | Description |
|---|---|
| 4.6.0 | Return value changed from an array to an Requests_Utility_CaseInsensitiveDictionary instance. |
| 2.7.0 | Introduced. |
The returned value of
wp_remote_retrieve_headers($response)will be something like this…Requests_Utility_CaseInsensitiveDictionary::__set_state(array( 'data' => array ( 'server' => 'nginx/1.10.3 (Ubuntu)', 'date' => 'Wed, 09 Jan 2019 07:25:38 GMT', 'content-type' => 'application/octet-stream', 'content-length' => '1438086', 'last-modified' => 'Tue, 01 May 2018 04:56:08 GMT', 'etag' => '"5ae7f368-15f186"', 'accept-ranges' => 'bytes', ), ))To access only one value:
You can just type in the array key.
To get the whole array:
You have to use type cast
(array).