php - How can I detect if any output has been written? And how can I redirect if it has? -


Assume that I need some generic error handling, which can all be said ...

Ideally, I just want to redirect to the error page using the header ('location: ... , but certainly I can not do that if an output is written then ...

1) How can I find out that any output is written?
2) How can I load a new page if it is?

Maybe I should buffer the buffer page and only once I'm sure that it is complete and there can be no other error? Use the itemprop = "text">

Code> ob_start () call.

There are other options that you can take advantage of if you want:


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