Used By
| Used By | Description | 
|---|---|
| wp-includes/functions.php: get_file_data() |   Retrieve metadata from a file.  |  
Filters extra file headers by context.
The dynamic portion of the hook name, $context, refers to the context where extra headers might be loaded.
(array) Empty array by default.
| Version | Description | 
|---|---|
| 2.9.0 | Introduced. | 
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Licensed under the GNU GPLv2+ License.
    https://developer.wordpress.org/reference/hooks/extra_context_headers