mysqli_driver::$report_mode mysqli_report Enables or disables internal report functions &reftitle.description; &style.oop; intmysqli_driver->report_mode &style.procedural; boolmysqli_report intflags A function helpful in improving queries during code development and testing. Depending on the flags, it reports errors from mysqli function calls or queries that don't use an index (or use a bad index). &reftitle.parameters; flags Name Description MYSQLI_REPORT_OFF Turns reporting off (the default) MYSQLI_REPORT_ERROR Report errors from mysqli function calls MYSQLI_REPORT_STRICT Throw mysqli_sql_exception for errors instead of warnings MYSQLI_REPORT_INDEX Report if no index or bad index was used in a query MYSQLI_REPORT_ALL Set all options (report all) &reftitle.returnvalues; &return.success; &reftitle.examples; report_mode = MYSQLI_REPORT_ALL; try { /* this query should report an error */ $result = $mysqli->query("SELECT Name FROM Nonexistingtable WHERE population > 50000"); /* this query should report a bad index */ $result = $mysqli->query("SELECT Name FROM City WHERE population > 50000"); $result->close(); $mysqli->close(); } catch (mysqli_sql_exception $e) { echo $e->__toString(); } ?> ]]> 50000"); /* this query should report a bad index */ $result = mysqli_query("SELECT Name FROM City WHERE population > 50000"); mysqli_free_result($result); mysqli_close($link); ?> ]]> &reftitle.seealso; mysqli_debug mysqli_dump_debug_info mysqli_sql_exception set_exception_handler error_reporting