为什么我的PHP代码转向评论？ [重复]

Question

This question already has an answer here:

• PHP code is not being executed, instead code shows on the page 25 answers

im tried to write php to my html file, im using wampserver, but when i add php in html it's turns to comment why ? Pls help.

<?php 
echo "hello"

 ?>

turns to comment

<--?php 
echo "hello"

 ?-->

</div>

Answer 1

You don't add PHP code to an HTML file.

If the file has PHP code then the file needs to have a valid PHP extension, such as .php for example. The PHP file can contain HTML code also.