Add testing of pkg_prefix_sort

Now I realize I could optimize it by only invoking it for ports
which have package information recorded.

testing/interate-all-ports-pkg_prefix_sort.php

@@ -0,0 +1,43 @@
+<?php
+
+$_SERVER['DOCUMENT_ROOT'] = "/usr/local/www/freshports/www";
+
+require_once($_SERVER['DOCUMENT_ROOT'] . '/../include/common.php');
+require_once('include/constants.php');
+require_once('include/freshports.php');
+require_once('include/databaselogin.php');
+require_once('classes/port-display.php');
+require_once('classes/ports.php');
+
+
+$sql = "
+select P.id, E.name as port, C.name as category
+  FROM ports P join element E on P.element_id = E.id
+  JOIN categories C on P.category_id = C.id
+ORDER by category, port
+";
+
+$result = pg_query_params($db, "set client_encoding = 'ISO-8859-15'", array()) or die('query failed ' . pg_last_error($db));
+
+$result = pg_query_params($db, $sql, array()) or die('query failed ' . pg_last_error($db));
+
+$numrows = pg_num_rows($result);
+
+echo "We have $numrows ports for testing\n";
+
+$rows = pg_fetch_all($result);
+
+foreach ($rows as $key => $row) {
+  echo $key . ' ' . $row['category'] . '/' . $row['port'] . "\n";
+  $port = new Port($db);
+  $port->FetchByID($row['id']);
+  $port_display = new port_display($db);
+  $port_display->SetPort($port);
+  $port_display->SetDetailsPackages();
+
+  $HTMLPortPackages = $port_display->Display();
+
+  unset($HTMLPortPackages);
+  unset($port_display);
+  unset($port);
+}