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<html>
<head>
<title>String Manipulation</title>
</head>
<body>
<form action="strings.php" method="post">
<b>Enter some text here:</b><br>
<textarea name="txt" rows="3" cols="45"></textarea> <br>
<input type="radio" name="fcn" value="strlen">Find the text length
<input type="radio" name="fcn" value="strrev">Reverse the text<br>
<input type="radio" name="fcn" value="strtoupper">Change to all uppercase
<input type="radio" name="fcn" value="strtolower">Change to all lowercase<br>
<input type="radio" name="fcn" value="ucwords">Make the first letter of all words uppercase
<hr>
<input type="submit" value="Manipulate">
</form>
</body>
</html>
File: strings.php
<html>
<head>
<title>String Result</title>
</head>
<body>
<?php
$txt = $_POST['txt'];
$fcn = $_POST['fcn'];
echo( $fcn( $txt ) ); ?>
</body>
</html>
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