Untitled

<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8"/>
<meta name="author" content="RieqyNS13"/>
<title>Testing</title>
<style type="text/css">
body{
background-color:#000000;
}
textarea{
background-color:#000000;
color:#FF0000;
}
input{
background-color:#000000;
color:#FF0000;
}
fieldset{
color:#7FFF00;
font-family:"Courier New";
font-size:10px;
border:1px solid;
width:373px;
}
</style>
</head>
<body>
<br>
<form method=POST action=<?PHP $_SERVER['PHP_SELF'];?>>
<fieldset>
<legend>Isi Input</legend>
<textarea name="txArea" cols=50 rows=20></textarea>
</fieldset>
<input type=submit name="btnSubmit" value="Generate"><br>
</form>
</body>
<?php
$result = $_POST['txResult'];
if (isset($_POST['txArea'])){
$str = $_POST['txArea'];
$exp = explode("\n", $str);
$count = count($exp);
for($i=0; $i<$count; $i++){
$result = "Hello". $exp[$i]. "Problem ? \n";
}
echo "<fieldset><legend>Output :</legend><textarea name=txR cols=50 rows=20 readonly=YES>$result</textarea></fieldset><br>";
}
?>
</textarea>
</html>