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Basic usage

Example #1 Output Control example

<?php

ob_start
();
echo 
"Hello\n";

setcookie("cookiename""cookiedata");

ob_end_flush();

?>

In the above example, the output from echo() would be stored in the output buffer until ob_end_flush() was called. In the mean time, the call to setcookie() successfully stored a cookie without causing an error. (You can not normally send headers to the browser after data has already been sent.)

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