(PECL solr >= 0.9.2) Retrieves the current key

(PECL solr >= 0.9.2) Retrieves the current field

(PECL solr >= 0.9.2) Merges source to the current SolrDocument

(PECL solr >= 0.9.2) This is an alias to SolrDocument::clear()

(PECL solr >= 0.9.2) Custom serialization of SolrDocument objects

(PECL solr >= 0.9.2) Returns an array representation of the document

(PECL solr >= 0.9.2) Checks if a field exists

(PECL solr >= 0.9.2) Adds another field to the document

(PECL solr >= 0.9.2) Moves the internal pointer to the next field

(PECL solr >= 0.9.2) Checks if a particular field exists