mysqli_get_links_stats Return information about open and cached links &reftitle.description; arraymysqli_get_links_stats mysqli_get_links_stats returns information about open and cached MySQL links. &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; mysqli_get_links_stats returns an associative array with three elements, keyed as follows: total An integer indicating the total number of open links in any state. active_plinks An integer representing the number of active persistent connections. cached_plinks An integer representing the number of inactive persistent connections.