36. PHP Program to Convert Lowercase letter into Uppercase letter.
How does this program work?
- In this program you are going to learn about how to convert uppercase letter of a given lowercase using PHP.
- In this program we are using String functions.
- By using String functions we can easily convert lowercase to uppercase and viceversa.
Here is the code
<html>
<head>
<title>PHP Program To convert Lowercase letter into Uppercase</title>
</head>
<body>
<form method="post">
<table border="0">
<tr>
<td> <input type="text" name="string" value="" placeholder="Enter a letter"/> </td>
</tr>
<tr>
<td> <input type="submit" name="submit" value="Submit"/> </td>
</tr>
</table>
</form>
<?php
if(isset($_POST['submit']))
{
$str = $_POST['string'];
echo "Given letter is : ".$str;
echo " Letter in Upper Case : ".strtoupper("$str");
return 0;
}
?>
</body>
</html>
