显示html代码的函数

php函数

<?php $html = htmlspecialchars("<a href='text'>test</a>"); echo $html; ?>

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nl2br()

?把'\n'换行用<br/>or<br>代替插入内容

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example:

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<?php   echo nl2br("an apple is red \n you agree with me");    //an apple is red<br/>you agree with me?>

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