return true;
}
+/**
+ * util_check_url() - determines if given URL is valid.
+ *
+ * Currently, test is very basic, only the protocol is
+ * checked, allowed values are: http, https, ftp.
+ *
+ * @param string The URL
+ * @return boolean true if valid, false if not valid.
+ */
+function util_check_url($url) {
+ return (preg_match('/^(http|https|ftp):\/\//', $url) > 0);
+}
+
/**
* util_send_message() - Send email
* This function should be used in place of the PHP mail() function