REST API: Ensure that we don't generate warnings from sending extra headers after headers have been sent.

Fixes issues stemming from [46478].



git-svn-id: https://develop.svn.wordpress.org/trunk@46483 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Jake Spurlock 2019-10-14 16:23:13 +00:00
parent 2a5c167b21
commit 4e2d91d186

View File

@ -589,7 +589,7 @@ function rest_send_cors_headers( $value ) {
header( 'Access-Control-Allow-Methods: OPTIONS, GET, POST, PUT, PATCH, DELETE' );
header( 'Access-Control-Allow-Credentials: true' );
header( 'Vary: Origin' );
} else if ( 'GET' === $_SERVER['REQUEST_METHOD'] && ! is_user_logged_in() ) {
} elseif ( ! headers_sent() && 'GET' === $_SERVER['REQUEST_METHOD'] && ! is_user_logged_in() ) {
header( 'Vary: Origin' );
}