Placing some code into the middle of some text

I have a variable that contains some text

$Article->text = 'text text text text text text text text text text text text <br>
<br>
text text text text text text text text text text text text text text <br>
<br>
text text text text text text text text text text text text <br>
<br>
text text text text text text text text text text text text text text text text text text text text text text <br>
<br>';

PHP:

I want to insert some new text into this after the second paragraph. Can someone help me out.

thanks
Brock

 

I hope below logic will help you.

Actually, your text doesnt has <p> but only <br> so i gave this. best of luck

 

thanks alot...that pretty well got