title: original variable name passed to function?
body: <blockquote>
    <p><strong>Possible Duplicates:</strong><br>
    <a href="https://stackoverflow.com/questions/2379166/php-get-name-of-variable-passed-as-argument">PHP: Get name of variable passed as argument</a><br>
    <a href="https://stackoverflow.com/questions/255312/how-to-get-a-variable-name-as-a-string-in-php">How to get a variable name as a string in PHP?</a>  </p>
  </blockquote>
  
  
  
  <p>If I have</p>
  
  <pre><code>$abc = '123';
  
  function write($var){
  
  }
  </code></pre>
  
  <p>How would I inside <code>write</code> find out that the variable now represented by <code>$var</code> was called <code>$abc</code>?</p>