function getBaseinstallRoles($clear = false)
    {
        if (!isset($GLOBALS['_PEAR_INSTALLER_ROLES'])) {
            PEAR_Installer_Role::registerRoles();
        }

        static $ret;
        if ($clear) {
            unset($ret);
        }

        if (isset($ret)) {
            return $ret;
        }

        $ret = array();
        foreach ($GLOBALS['_PEAR_INSTALLER_ROLES'] as $role => $okreleases) {
            if ($okreleases['honorsbaseinstall']) {
                $ret[] = strtolower(str_replace('PEAR_Installer_Role_', '', $role));
            }
        }

        return $ret;
    }
function getBaseinstallRoles($clear = false)
    {
        if (!isset($GLOBALS['_PEAR_INSTALLER_ROLES'])) {
            PEAR_Installer_Role::registerRoles();
        }

        static $ret;
        if ($clear) {
            unset($ret);
        }

        if (isset($ret)) {
            return $ret;
        }

        $ret = array();
        foreach ($GLOBALS['_PEAR_INSTALLER_ROLES'] as $role => $okreleases) {
            if ($okreleases['honorsbaseinstall']) {
                $ret[] = strtolower(str_replace('PEAR_Installer_Role_', '', $role));
            }
        }

        return $ret;
    }
function getBaseinstallRoles ( $ clear = false ) { if ( ! isset ( $ GLOBALS [ '_PEAR_INSTALLER_ROLES' ] ) ) { PEAR_Installer_Role :: registerRoles ( ) ; } static $ ret ; if ( $ clear ) { unset ( $ ret ) ; } if ( isset ( $ ret ) ) { return $ ret ; } $ ret = array ( ) ; foreach ( $ GLOBALS [ '_PEAR_INSTALLER_ROLES' ] as $ role => $ okreleases ) { if ( $ okreleases [ 'honorsbaseinstall' ] ) { $ ret [ ] = strtolower ( str_replace ( 'PEAR_Installer_Role_' , '' , $ role ) ) ; } } return $ ret ; }
Return an array of roles that are affected by the baseinstalldir attribute

Most roles ignore this attribute, and instead install directly into:
PackageName/filepath
so a tests file tests/file.phpt is installed into PackageName/tests/filepath.php
@param bool clear cache
@return array
@static
Return an array of roles that are affected by the baseinstalldir attribute