Step 1:
Go to this website: Facebook Developer Page
Step 2:
Go to Comments Plugin Code Generator.
Step 3:
Click Get Code button and fill-up the form.
Step 4:
Copy the code and paste it to your php page.
Example Code:
<title>How to Integrate Facebook Comments Plugin</title>
<link rel="stylesheet" type="text/css" href="bootstrap4/css/bootstrap.min.css">
var js, fjs = d.getElementsByTagName(s)[0];
if (d.getElementById(id)) return;
js = d.createElement(s); js.id = id;
js.src = 'https://connect.facebook.net/en_US/sdk.js#xfbml=1&version=v2.12';
fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));
<h1 class="text-center" style="margin-top:30px;">How to Integrate Facebook Comments Plugin</h1>
<div class="row justify-content-center">
<div class="fb-comments" data-href="http://localhost/facebook_comment/index.html" data-numposts="10"></div>
Video Tutorial:
