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: » https://pecl.php.net/package/solr.
For help and support, please visit the extension google group. » Apache Solr PHP Extension
Windows binaries (DLL files) for this PECL extension are available from the PECL website.
Note:
The solr module can be compiled in debug mode by passing the --enable-solr-debug flag to configure
When building manually, be sure to include curl and libxml support within the build.