如何在php中格式化纯文本？

I extracted some text from an Excel file and stored it in a DB. After that, I fetch this text from the DB and display it on a page.

Below is how the problem looks like on the page:

And this is a screenshot of how it appears in the source code:

How can I format this paragraph to show in page correctly ?

Just try this

<div name="description" ....>
<pre>

.....
here your content
.....

</pre>
</div>

if not work let me know

Take a look at HTML Purifier. Pretty good at cleaning up dirty input. http://htmlpurifier.org/