What will be the output of the following PHP code? Say your previous session username was nachi

mhmadesk

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2022-06-18

501

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What will be the output of the following PHP code? Say your previous session username was nachi.

unset($_SESSION['username']);
printf("Username now set to: %s", $_SESSION['username']);

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mhmadesk

2022-06-18

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(c).Username now set to:

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