src/PEAR/Config.php
function getDefaultConfigFiles()
    {
        $sl = DIRECTORY_SEPARATOR;
        if (OS_WINDOWS) {
            return array(
                'user'   => PEAR_CONFIG_SYSCONFDIR . $sl . 'pear.ini',
                'system' =>  PEAR_CONFIG_SYSCONFDIR . $sl . 'pearsys.ini'
            );
        }

        return array(
            'user'   => getenv('HOME') . $sl . '.pearrc',
            'system' => PEAR_CONFIG_SYSCONFDIR . $sl . 'pear.conf'
        );
    }
function getDefaultConfigFiles()
    {
        $sl = DIRECTORY_SEPARATOR;
        if (OS_WINDOWS) {
            return array(
                'user'   => PEAR_CONFIG_SYSCONFDIR . $sl . 'pear.ini',
                'system' =>  PEAR_CONFIG_SYSCONFDIR . $sl . 'pearsys.ini'
            );
        }

        return array(
            'user'   => getenv('HOME') . $sl . '.pearrc',
            'system' => PEAR_CONFIG_SYSCONFDIR . $sl . 'pear.conf'
        );
    }
Return the default locations of user and system configuration files
@static