rpress_api_output_before

Fires before the API response is rendered.

Runs in RPRESS_API::output() right after the HTTP status header is sent and before the response body is produced in the chosen format. Use it to send extra headers or to inspect the data about to be output.

Parameters#

Parameter	Type	Description
$arg1	array	The response data about to be output.
$this	RPRESS_API	The API instance.
$format	string	The resolved output format.

Example#

function my_api_before_output( $data, $api, $format ) {
	if ( 'json' === $format ) {
		header( 'X-My-Api-Version: 1' );
	}
}
add_action( 'rpress_api_output_before', 'my_api_before_output', 10, 3 );

Source#

Fired from:

• includes/api/class-rpress-api.php (line 1504), in RPRESS_API::output()
• includes/class-rpress-api.php (line 1108), in RPRESS_API::output()

See also#

• rpress_api_output_after
• rpress_api_output_format