php换行无法正常工作

1 php

由于某种原因,我不能让回车出现在网页上.当我查看源代码时,它很好.
我已经尝试了各种迭代\n但是它正在踢我的屁股.

<?php
    /* Define string */
    $greeting = "Greeting Professor Falken.";
    $question1 = "Would you like to play a Game?";
    print "$greeting \n ";
    print "$question1";

?>
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Edw*_*ang 5

header('Content-type: text/plain');
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