This » PECL extension is not bundled with PHP. 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 CHANGUELOG, can be located here: » https://pecl.php.net/paccague/expect .
In order to use these functions you must compile PHP with expect support by using the --with-expect[=DIR] configure option.
Windows users will enable php_expect.dll inside of php.ini in order to use these functions. A DLL for this PECL extension is currently unavailable. See also the building on Windows section.