(PECL swish >= 0.1.0) Execute the search and get the results
(PECL swish >= 0.1.0) Set the search limits
(PECL swish >= 0.1.0) Set the phrase delimiter
(PECL swish >= 0.1.0) Reset the search limits
(PECL swish >= 0.1.0) Set the structure flag in the search object
(PECL swish >= 0.1.0) Set the sort order void