How to store product record more than one products selected?

<form id="order_pro" action="" method="post">
	<?php
		foreach ($_SESSION['productinfo'] as $productinfo) {
	?>
		<div class="row">
			<input type="text" name="pro_name" value="<?php echo $productinfo['pro_name'];?>"/>
			<input type="text" name="pro_qua" value="<?php echo $productinfo['pro_qua'];?>"/>
			<input type="text" name="pro_price" value="<?php echo number_format($productinfo['pro_prices'] * $productinfo['pro_qua'],2); ?>"/>
		</div>
		<div class="row">
			<button type="button" class="btn btn-primary next-step button_checkout">Save and continue</button>
		</div>
	<?php 
	}                                   
	?>
</form>

<?php
	
	require_once '../admin/includes/db_connect.php';		
		
	$pro_name	=	$_POST["pro_name"];
	$pro_qua	=	$_POST["pro_qua"];
	$pro_price	=	$_POST['pro_price'];

	$name		=	$_POST["name"];
	$mobile		=	$_POST["mobile"];
	$email		=	$_POST["email"];
	$address	=	$_POST["address"];
	$city		=	$_POST["city"];
	$pin		=	$_POST["pin"];
		
	if( empty($name)|| empty($mobile)|| empty($email)|| empty($address) || empty($city) || empty($pin)){
		echo '			
			<div class="alert alert-danger alert-dismissible" role="alert">
			<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button>
			Warning! Please fill all mandatory fields.
			</div>
		';
	}		
	else{
		$result=mysqli_query($conn, "INSERT INTO wm_orders(pro_name, pro_qua, pro_price, name, mobile, email, address, city, pin, status) VALUES ('$pro_name','$pro_qua','$pro_price','$name','$mobile','$email','$address','$city','$pin','pending')")or die("Could not insert data: " .mysqli_error($conn));
	
		echo 'data store in database';				
	}	
?>