Pastable version of php refactoring

<pre class='prettyprint' language='php'>&lt;?php
	$location = htmlspecialchars($_SERVER['HTTP_REFERER']);
	$email = strtolower(mysql_real_escape_string($_REQUEST['email']));
	$hashed = substr(md5($email), 0, 4);
	$invites = 0;
	$uri = $_REQUEST['uri'];
	$ip = $_SERVER['REMOTE_ADDR']; //get IP

if (!$email){
  		echo &quot;&lt;p&gt;Please enter a valid e-mail address&lt;br&gt;&lt;ul&gt;&lt;span&gt;&lt;a href='$location'&gt;go back&lt;/span&gt;&lt;/li&gt;&lt;/ul&gt;&lt;/p&gt;&quot;;
	}
	elseif (filter_var($email, FILTER_VALIDATE_EMAIL)){
		$insertinto = mysql_query(&quot;INSERT IGNORE INTO table (email, hash, invites, ip, signup_time, signup_date, signup_jointime) VALUES ('$email', '$hashed', '$invites', '$ip', CURTIME(), NOW(), NOW())&quot;) or die('error');
		if (mysql_affected_rows() == 0){
			$getlink = mysql_query(&quot;SELECT hash,invites from table WHERE hash='$hashed'&quot;);
			while($row = mysql_fetch_assoc($getlink)){
				$existinghash = $row['hash'];
				$totalinvites = $row['invites'];
			}
			echo &quot;&lt;p&gt;&lt;span&gt;Your back!&lt;br&gt;&quot;;
			if ($totalinvites &gt; 0){
				echo &quot;You have a total of &quot;.$totalinvites.&quot; invites.&lt;/span&gt;&lt;/p&gt;&quot;;
			}
			else{
				echo &quot;No invites, yet.&lt;/p&gt;&quot;;
			}
			echo &quot;&lt;p&gt;&lt;span&gt;The more friends you invite, the sooner you'll get access!&lt;br&gt;paste this URL below into Twitter, Facebook, or an email:&lt;/p&gt;&lt;p&gt;Share Link &lt;input class='referral' type=text size=27 readonly onClick=select(); value=\&quot;&quot;.$sitedomain.&quot;&quot;.$existinghash.&quot;\&quot;&gt;&lt;/span&gt;&lt;/p&gt;&quot;;
			echo &quot;&lt;p&gt;Or use the buttons:&lt;br&gt;&lt;/p&gt;&quot;;
		}
		elseif ($uri){
			$updateinvites = mysql_query(&quot;UPDATE table SET invites=invites+1 WHERE hash='$uri'&quot;) or die('error!');
			echo &quot;&lt;p&gt;The more friends you invite, the sooner you'll get access!&lt;br&gt;Copy/paste this URL below into Twitter, Facebook, or an email:&lt;/p&gt;&lt;p&gt;Share Link &lt;input class='referral' type=text size=27 readonly onClick=select(); value=\&quot;&quot;.$sitedomain.&quot;&quot;.$hashed.&quot;\&quot;&gt;&lt;/p&gt;&quot;;
			echo &quot;&lt;p&gt;Or use the buttons:&lt;br&gt;&lt;/p&gt;&quot;;
		}
		else{
			echo &quot;&lt;p&gt;&lt;input class='referral' type=text size=27 readonly onClick=select(); value=\&quot;&quot;.$sitedomain.&quot;&quot;.$hashed.&quot;\&quot;&gt;&lt;/p&gt;&quot;;
			echo &quot;&lt;p&gt;Or use the buttons:&lt;br&gt;&lt;/p&gt;&quot;;
		}
	}
	else {
		echo &quot;&lt;p class='invaild_email'&gt;Please enter a valid e-mail address&lt;br&gt;&lt;ul&gt;&lt;span&gt;&lt;a href='$location'&gt;go back&lt;/span&gt;&lt;/li&gt;&lt;/ul&gt;&lt;/p&gt;&quot;;
	}
?&gt;</pre>
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Pastable version of php refactoring