gistfile1.php

function copyConfig($clientName, $filename)
{
    $defaultConfig = CLIENT_ROOT . DIRECTORY_SEPARATOR . $clientName . RELATIVE_CONFIG_DIR;
    $configFilename = $defaultConfig . DIRECTORY_SEPARATOR . $filename . '-config.xml';

    $newFilename = $defaultConfig . DIRECTORY_SEPARATOR . 'client.xml';
    checkNewFilename($newFilename);
    copy($configFilename, $newFilename);
}