How Can I get the string that present the variable in function argument?
<p>How Can I get the string that present the variable in function argument?</p>

<p>example </p>

<pre><code>function dbg($param){
      return "param"; 

 }
 $var="Hello World";
 echo dgb($var);
</code></pre>

<p>output: <code>var</code></p>

<pre><code> $arr=array();
 echo dgb($arr);
</code></pre>

<p>output: <code>arr</code></p>
