add_cat.php

<?php
// CREATE table categories( ID int PRIMARY KEY AUTO_INCREMENT, cname varchar(30) NOT NULL, description varchar(200) );

include ("connection.php");
if(!empty($_POST['cname']))
{
    
	$name=$_POST['cname'];
	$email=$_POST['description'];
    $sql="INSERT INTO categories(cname,description) VALUES ('$cname','$description')";
    $rs=mysqli_query($con,$sql);
	if($rs)
	{
		echo"Record has been added successfully";
	}
	else
	{
		echo"Failed to add record";
	}
}
?>
<form action="POST">
    <label for="cname">Category Name: <input type="text" name="cname" id="cname" required></label><br/>
    <label for="description">Description: <textarea type="text" name="description" ></textarea></label>
    <input type="submit" name="submit" value="add">

</form>