(PECL sphinx >= 0.1.0) Set retry count and delay

(PECL sphinx >= 0.1.0) Execute search query

(PECL sphinx >= 0.1.0) Change the format of result set array

(PECL sphinx >= 1.0.3) Sets temporary per-document attribute value overrides

(PECL sphinx >= 0.1.0) Add new integer values set filter

(PECL sphinx >= 0.1.0) Add query to multi-query batch

(PECL sphinx >= 0.1.0) Get the last error message

(PECL sphinx >= 1.0.1) Set select clause public

(PECL sphinx >= 0.1.0) Set ranking mode public

(PECL sphinx >= 1.0.3) Opens persistent connection to the server