index.php


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<?php

if ( isset($_REQUEST['url']) && $_REQUEST['url'] != "" )
	$set = true;
else
	$set = false;
?>
<!doctype html>
<html>
<head>
        <meta charset="utf-8">
        <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
	<style>
		html {
        position: relative;
        min-height: 100%;
}

body {
        margin-bottom: 60px;
}

a {
        color: #3083D6;
}

/* navbar */

.navbar-default {
    background-color: #3083D6 ;
    border-color: #3083D6 ;
    background: #3083D6 ;
}

.navbar-default .navbar-brand {
        color: white;
}

.navbar-default .navbar-brand:hover,
.navbar-default .navbar-brand:focus {
}

.navbar-default .navbar-nav > li > a { 
        color: white;
}


/* footer */

.footer {
    background-color: #3083D6 ;
    border-color: #3083D6 ;
    background: #3083D6 ;
    color: white ;
    position: absolute;
    bottom: 0;
    width: 100%;
}

.footer-a {
    color: white;
}
.footer-a:hover {
    color: white;
    text-decoration: underline;
}
	</style>
	<?php if ( $set) ?>
		<title>Check HTTP Headers online!</title>
	<?php else 
		echo '<title>Header: ' .  htmlentities($_POST['url']); .'</title>';
	?>
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<link rel='shortcut icon' href='/favicon.ico' type='image/x-icon'>
</head>
<body>
        <nav class="navbar navbar-default navbar-custom" role="navigation">
                <div class="container">
                        <div class="navbar-header">
                                <a class="navbar-brand" href=""><span class="glyphicon glyphicon-home"></span> Home</a>
                        </div>
                </div>
        </nav>
<div class="container">
	<div class="text-center">
		<div class="row">
<?php 
if ( $set ){
?>
		<h3><u><?php echo htmlentities($_REQUEST['url']); ?></u></h3>
		<br>
			<pre>
<?php
	require 'getheader.php';
	echo htmlentities($header);
?>
			</pre>
		<h3>Retrieve HTTP Headers Online!</h3>
		<p>Check the response headers for websites. <br> Enter a URL and hit the submit button.</p>
		<br>
<?php
} else {
?>
<form class="form-horizontal"> 
<fieldset>

<legend></legend>
<!-- Form Name -->

<!-- Text input-->
<div class="form-group">
  <label class="col-md-4 control-label" for="textinput">http://</label>  
  <div class="col-md-4">
  <input id="url" name="url" placeholder="Insert URL here." class="form-control input-md" required="" type="text">
    
  </div>
</div>

<!-- Button -->
<div class="form-group">
  <label class="col-md-4 control-label" for=""></label>
  <div class="col-md-4">
    <button id="" name="" class="btn btn-primary">Submit</button>
  </div>
</div>

</fieldset>
</form>
<?php
}
?>
		</div>
	</div>
</div>
		<div class="footer">
			<div class="container">
				<div class="row">
					<div class="text-right">
						<p>Copyright 2014 <a class="footer-a" href="//www.moehm.org/"  target="_blank" title="https://www.moehm.org/">Maximilian M&ouml;hring</a></p>
					</div>
				</div>
			</div>
		</div>
</body>