Update the constructor in the vcard class.

resources/classes/vcard.php

@@ -13,10 +13,10 @@ class vcard {
 	var $revision_date;
 	var $card;
 
-	/*
-	The class constructor. You can set some defaults here if desired.
+	/**
+	 * Called when the object is created
 	 */
-	function vcard() {
+	public function __construct() {
 	$this->log = "New vcard() called<br />";
 	$this->data = array(
 		"display_name"=>null
@@ -62,6 +62,16 @@ class vcard {
 		return true;
 	}
 
+	/**
+	 * Called when there are no references to a particular object
+	 * unset the variables used in the class
+	 */
+	public function __destruct() {
+		foreach ($this as $key => $value) {
+			unset($this->$key);
+		}
+	}
+
 	/*
 	build() method checks all the values, builds appropriate defaults for
 	missing values, generates the vcard data string.