mysqlnd_qc_get_cache_info Returns information on the current handler, the number of cache entries and cache entries, if available &reftitle.description; array mysqlnd_qc_get_cache_info &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; Returns information on the current handler, the number of cache entries and cache entries, if available. If and what data will be returned for the cache entries is subject to the active storage handler. Storage handler are free to return any data. Storage handler are recommended to return at least the data provided by the default handler, if technically possible. &reftitle.examples; The example shows the output from the built-in default storage handler. Other storage handler may report different data. query("/*" . MYSQLND_QC_ENABLE_SWITCH . "*/SELECT id FROM test"); /* Display cache information */ var_dump(mysqlnd_qc_get_cache_info()); ?> ]]> &examples.outputs; int(1) ["handler"]=> string(7) "default" ["handler_version"]=> string(5) "1.0.0" ["data"]=> array(1) { ["Localhost via UNIX socket 3306 user schema|/*qc=on*/SELECT id FROM test"]=> array(2) { ["statistics"]=> array(11) { ["rows"]=> int(6) ["stored_size"]=> int(101) ["cache_hits"]=> int(0) ["run_time"]=> int(471) ["store_time"]=> int(27) ["min_run_time"]=> int(0) ["max_run_time"]=> int(0) ["min_store_time"]=> int(0) ["max_store_time"]=> int(0) ["avg_run_time"]=> int(0) ["avg_store_time"]=> int(0) } ["metadata"]=> array(1) { [0]=> array(8) { ["name"]=> string(2) "id" ["orig_name"]=> string(2) "id" ["table"]=> string(4) "test" ["orig_table"]=> string(4) "test" ["db"]=> string(4) "schema" ["max_length"]=> int(1) ["length"]=> int(11) ["type"]=> int(3) } } } } } ]]>