(PECL solr >= 0.9.2) Returns the response from the server

(PECL solr >= 2.2.0) Sets the NULL Policy

(PECL solr >= 0.9.2) Sets the parse mode public

(PECL sphinx >= 0.1.0) Set matches sorting mode

(PECL solr >= 0.9.2) Drops all the fields in the document

(PECL solr >= 0.9.2) Flag to show debug information

(PECL solr >= 0.9.2) Checks if the property exists

(PECL solr >= 0.9.2) Creates Solr object public

(PECL solr >= 2.2.0) Sets the initial size of the collapse data structures when collapsing on a numeric field

(No version information available, might only be in Git) Sets a Boost Function (bf parameter).