index.php at Hexadecimal 2 RGB Converter

<?php

	function hex2rgb( $colour ) {
	        if ( $colour[0] == '#' ) {
	                $colour = substr( $colour, 1 );
	        }
	        if ( strlen( $colour ) == 6 ) {
	                list( $r, $g, $b ) = array( $colour[0] . $colour[1], $colour[2] . $colour[3], $colour[4] . $colour[5] );
	        } elseif ( strlen( $colour ) == 3 ) {
	                list( $r, $g, $b ) = array( $colour[0] . $colour[0], $colour[1] . $colour[1], $colour[2] . $colour[2] );
	        } else {
	                return false;
	        }
	        $r = hexdec( $r );
	        $g = hexdec( $g );
	        $b = hexdec( $b );
	        return array( 'red' => $r, 'green' => $g, 'blue' => $b );
	}

?>

<!DOCTYPE html>  

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<head>
  <meta charset="utf-8">

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  <title>Simple Hexadecimal to RGB Converter</title>

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   <style type="text/css">body{font-family:Arial;}input{-moz-border-radius: 8px; 
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  <script src="js/libs/modernizr-1.6.min.js"></script>

</head>

<body>

  <div id="container">
    <h1>Hexadecimal 2 RGB Color Converter</h1>
	<br /><br />
	<div class="content">
		<form action="" method="post">
			<input type="text" name="color" />
			<button type="submit" name="submit">Go!</button>
		</form>
		<br /><br />
		<div class="rgb">
			<p>
				<?php 
				
					if(isset($_POST['color']) && !empty($_POST['color'])){
						$color = $_POST['color'];
						$rgb = hex2rgb($color);
						echo 'rgb('.$rgb['red'].','.$rgb['green'].','.$rgb['blue'].')';	
					}elseif(empty($_POST['color'])){
						echo 'Please enter a hexadecimal color first!';
					}
				
				?>
			</p>
		</div>
	</div>
  </div> <!--! end of #container -->


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</body>
</html>