The 5th Annual China PHP Conference



(PHP 5, PHP 7)

mysqli_driver::$report_mode -- mysqli_reportEnables or disables internal report functions


Stile orientato agli oggetti

Stile procedurale

bool mysqli_report ( int $flags )

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).

Elenco dei parametri


Supported flags
Name Description
MYSQLI_REPORT_OFF Turns reporting off
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)

Valori restituiti

Restituisce TRUE in caso di successo, FALSE in caso di fallimento.

Log delle modifiche

Versione Descrizione
5.3.4 Changing the reporting mode is now be per-request, rather than per-process.
5.2.15 Changing the reporting mode is now be per-request, rather than per-process.


Example #1 Stile orientato agli oggetti


= new mysqli("localhost""my_user""my_password""world");

/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n"mysqli_connect_error());

/* activate reporting */
$driver = new mysqli_driver();
$driver->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");



} catch (
mysqli_sql_exception $e) {


Example #2 Stile procedurale

/* activate reporting */

$link mysqli_connect("localhost""my_user""my_password""world");

/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n"mysqli_connect_error());

/* 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");



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