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    tom lgold2003 at gmail dot com
    8 years ago
    hey, thanks to arr1, and it is very useful for me, when I need to return to the user fast and then do something else.

    When using the codes, it nearly drive me mad and I found another thing that may affect the codes:

    Content-Encoding: gzip

    This is because the zlib is on and the content will be compressed. But this will not output the buffer until all output is over.

    So, it may need to send the header to prevent this problem.

    now, the code becomes:

    <?php
    ob_end_clean    ();
    header("Connection: close\r\n");
    header("Content-Encoding: none\r\n");
    ignore_user_abort(true); // optional
    ob_start();
    echo (    'Text user will see');
    $size = ob_get_length();
    header("Content-Length: $size");
    ob_end_flush();     // Strange behaviour, will not work
    flush();            // Unless both are called !
    ob_end_clean();

    //do processing here
    sleep(5);

    echo(    'Text user will never see');
    //do some processing
    ?>

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