How to Make multiple applications with PHP
This time I will give a free PHP tutorial.
We will make an application simple multiplication, ie a rectangular area calculation.
With the formula Length X Width
We put the formula into PHP.
Code:
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title>
</head>
<body>
<form id="form1" name="form1" method="post" action="">
<table width="45%" border="1" align="center">
<tr>
<td width="20%">Long</td>
<td width="62%">:
<input name="long" type="text" id="long" /></td>
<td width="18%" rowspan="3">Total :
</td>
</tr>
<tr>
<td>Width</td>
<td>:
<input name="width" type="text" id="width" /></td>
</tr>
<tr>
<td> </td>
<td><div align="center">
<input type="submit" name="Submit" value="Submit" />
</div></td>
</tr>
</table>
</form>
</body>
</html>
Then add the following php script to read and calculate the value or number that we enter.
Code:
<?php
$long = $_POST["long"];
$width = $_POST["width"];
$total = $long*$width;
echo $total;
?>
$long = $_POST["long"];
$width = $_POST["width"];
$total = $long*$width;
echo $total;
?>
to be like this
Code:
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title>
</head>
<body>
<form id="form1" name="form1" method="post" action="">
<table width="45%" border="1" align="center">
<tr>
<td width="20%">Long</td>
<td width="62%">:
<input name="long" type="text" id="long" /></td>
<td width="18%" rowspan="3">Total :
<?php
$long = $_POST["long"];
$width = $_POST["width"];
$total = $long*$width;
echo $total;
?>
</td>
</tr>
<tr>
<td>Width</td>
<td>:
<input name="width" type="text" id="width" /></td>
</tr>
<tr>
<td> </td>
<td><div align="center">
<input type="submit" name="Submit" value="Submit" />
</div></td>
</tr>
</table>
</form>
</body>
</html>
Finish
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