How to Create Invoicing system in PHP

How to Create an Invoicing system in PHP

In this article, we will explain How to Create an Invoicing system in PHP. the invoice will be inserted into the database.

Example:-

form.php

<?php
error_reporting( error_reporting() & ~E_NOTICE );

$item3=$_POST['item10'];
$quantity3=$_POST['qty10'];
$price3=$_POST['price10'];

$item3=$_POST['item9'];
$quantity3=$_POST['qty9'];
$price3=$_POST['price9'];

$vat=$_POST['vat'];
$total=$_POST['total'];
$grand=$_POST['grand'];
$amount10=$_POST['amount10'];
$amount9=$_POST['amount9'];
$insert="insert into invoice set 
item10='$item10',qty10='$quantity10',price10='$price10',amount10='$amount10',
item9='$item9',qty9='$quantity9',price9='$price9',amount9='$amount9',
total='$total', vat='$vat', grand='$grand',bal='$grand'";

$result=mysql_query($insert);
header("location:index.php");
}
?>

db.php

<?php
mysql_connect('localhost','root','');
mysql_select_db('testbill');

?>

index.php

<html>
<head>
<title>Invoicing System</title>
</head>
<body>
<form method="POST">
<div class="row1">
	
		<h4>Party Name</h4><input type="text" name="party_name" >
		
	</div>
							<thead>
                                    <tr>
									<td>Item </td>
		<td>Quantity</td>
		<td>Price</td>
		<td>Amount </td> 
<td></td>		
                                       
                                    </tr>
                                </thead>
                                <tbody>
        
		<tr>
		<td>
		
		
		<td><input type="text" style="width:45px;" name="item8"/></td>
		
		<td><input type="text" name="qty10" style="width:45px;" value="<?php echo $quantity10 ;?>"/></td>
		<td><input type="text" name="price10" style="width:45px;" value="<?php echo $price10 ;?>"/></td>
		<td><input type="text" name="amount10" style="width:45px;" value="<?php echo $amount10 ;?>"/> </td>
		<td></td>
		</tr>
		    <tr>
		<td> 
		<td><input type="text" style="width:45px;" name="item8"/></td>
		
		<td><input type="text" name="qty9" style="width:45px;" value="<?php echo $quantity9 ;?>"/></td>
		<td><input type="text" name="price9" style="width:45px;" value="<?php echo $price9 ;?>"/></td>
		<td><input type="text" name="amount9" style="width:45px;" value="<?php echo $amount9 ;?>"/> </td>
		<td></td>
		</tr>
	
		<tr>
		<td colspan="3" align="right">Total</td>
		<td><input type="text" name="total" style="width:45px;" value="<?php echo $total;?>"/></td>
		<td></td>
		</tr>
				
		<tr>
	<td colspan="3" align="right" >Vat </td>
		<td>
		<select name="vat"> 
		<option value=""></option>
		<option value="10" selected="selected">10</option></select></td>
		<td></td>
		</tr>
		
		<tr>
		<td colspan="3" align="right" >Grand Total</td>
		<td><input type="text" name="grand" style="width:45px;" value="<?php echo $grand;?>"/></td>
		<td></td>
		</tr>
		<tr>
		<td><input type="submit" name="cal" value="cal"/></td>
		<td><input type="submit" name="submit" value="save"/></td>
		<td></td><td></td><td></td>
		</tr>
		            
                                 </tbody>
								 </form>
</body>
</html>

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