Pastable version of Return the appropriate file handle

<pre class='prettyprint' language='php'>&lt;?php
function get_handle($type)
{
	if (type==&quot;r&quot;)
	{
		if (isset($this-&gt;fhr)) return $this-&gt;fhr;
		else user_error(&quot;File not open for reading&quot;);
	}
	elseif (type==&quot;w&quot;)
	{
		if (isset($this-&gt;fhw)) return $this-&gt;fhw;
		else user_error(&quot;File not open for writing&quot;);
	}
	elseif (type==&quot;a&quot;)
	{
		if (isset($this-&gt;fha)) return $this-&gt;fha;
		else user_error(&quot;File not open for appending&quot;);
	}
	elseif (!isset($type))
	{
		if (isset($this-&gt;fhr)) return $this-&gt;fhr;
		elseif (isset($this-&gt;fhw)) return $this-&gt;fhw;
		elseif (isset($this-&gt;fha)) return $this-&gt;fha;
		else user_error (&quot;File not open&quot;);
	}
	else user_error(&quot;Invalid type&quot;);
}
?&gt;</pre>
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Pastable version of Return the appropriate file handle