Windows install MongoDB extension appears PHP warning:php startup:in Unknown on line 0

System Windows7

Integrated environment XAMPP 1.8.3

Php-mongo.dll http://pecl.php.net/package/mongo/1.6.0RC2/windows Select the corresponding version download

Put Php-mongo.dll into the PHP ext folder to modify the php.ini.

But there was a problem with the PHP warning:php startup:in Unknown on line 0 when installing MongoDB extensions

Version no problem PHP version is 5.5.11 and Php-mongo.dll version is the same

There's no problem with Extension_dir in php.ini.

And in Cmd, php-m found that the extension has been

Later found that PHP support for MongoDB to rely on 3 dynamic link libraries: Libeay32.dll, Libsasl.dll and Ssleay32.dll, but Libsasl.dll can not find (this part of Baidu search)

Workaround:
Copy php from Libsasl.dll to apache/bin path to restart Apache

Problem solving

Windows install MongoDB extension appears PHP warning:php startup:in Unknown on line 0