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Very simple back & home links ( Referer )

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Simple, It gets the referer and if there wasn't a referer it displays just the home link, but when there is a referer it dispays both back and home, I personaly use this on my 404 page.

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Copy this code and paste it in your HTML 
  1. <?php
  2. $ref = getenv ("HTTP_REFERER");
  3. if (strlen($ref) <= 1) {echo '<a href="../">&gt; Home</a>';}
  4. else {echo '<a href="'.$ref.'">&gt; Back</a> | <a href="../">&gt; Home</a>';}
  5. ?>

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