Obtain the max revision from a Subversion 1.7 repository

getSubversion17MaxRevisionFromFolder

<?php

function getSubversion17MaxRevisionFromFolder($checkoutFolderPath) {
    $db = new PDO('sqlite:' . realpath($checkoutFolderPath) . '/.svn/wc.db');
    foreach ($db->query('SELECT MAX(revision) FROM NODES;') as $row) return $row[0];
    return false;
}