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Check whether content already sent in PHP

Is there a smart way to check whether output has already been sent to the browser and sending a header would generate a PHP_WARNING?

Obviously there's the alternative of using an output buffer, but that's not always an option.

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Alan Plum Avatar asked Apr 17 '09 11:04

Alan Plum


1 Answers

You can use the headers_sent() method. This because before anything is outputted, the headers will be send first.

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Peter Smit Avatar answered Sep 20 '22 03:09

Peter Smit



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