显示html代码的函数

php函数

htmlspecialchars()

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

 

nl2br()

 把'\n'换行用<br/>or<br>代替插入内容

 

example:

 

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