Information for installing this PECL extension may be found in the manual chapter titled Installation of PECL extensions. Additional information such as new releases, downloads, source files, maintainer information, and a CHANGELOG, can be located here: ยป http://pecl.php.net/package/spplus.
A DLL for this PECL extension is currently unavailable. See also the building on Windows section.
Note:
PHP 4.3.0 or greater is required for the compression to work.