Is there possible whether there are some header information set so far in PHP?
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Is there possible whether there are some header information set so far in PHP?
Try
headers_sent().PHP docs on headers_sent().
You can also retrieve the headers for a page with get_headers() and list them with headers_list(). I’m a bit confused though, do you mean you want to check if something like
header("Location: /path/to/location");has been called?