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When I post data to a function in php page, it continues to run over all lines. I mean while debugging I retrieve my data with echo json_encode(..) And continue in next line to debug. So I use exit to stop it. But it means I have to use exit each echo..

 echo json_encode($resultData);
                exit; //if I don't use this, interprets goes on

In real scenario, I though it will improve performance because I don't need php interpreter check the other lines.. or I have misunderstood completely on this?

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  • And the problem is ? Commented Jun 17, 2015 at 13:24
  • if the job is done then why other lines? Commented Jun 17, 2015 at 13:25
  • @Alex the problem is I wonder Do I have to use exit with echo to send data to client. or is there any more reliable way like in .NET simply "return" Commented Jun 17, 2015 at 13:26
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    @MehmetYenerYILMAZ exit stop the script running further...To send data to client there are too many possible ways. Commented Jun 17, 2015 at 13:28
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    @MehmetYenerYILMAZ if you want to return data in your function just use return json_encode($resultData); Commented Jun 17, 2015 at 13:30

2 Answers 2

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To direct the result to the calling function use return json_encode($resultData);

If just want to output your results use

echo json_encode($resultData);
return false;
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To make it with one function you can use exit() or die() instead of echo + exit, for example:

exit(json_encode($resultData));

or

die(json_encode($resultData));

They are equivalent to each other, but die is one character shorter.

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