mysqli_driver::$report_mode

mysqli_report

(PHP 5, PHP 7, PHP 8)

mysqli_driver::$report_mode -- mysqli_reportSets mysqli error reporting mode

Description

Object-oriented style

Procedural style

Depending on the flags, it sets mysqli error reporting mode to exception, warning or none. When set to MYSQLI_REPORT_ALL or MYSQLI_REPORT_INDEX it will also inform about queries that don't use an index (or use a bad index).

As of PHP 8.1.0, the default setting is MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT. Previously, it was MYSQLI_REPORT_OFF.

Parameters

flags

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)

Return Values

Returns true.

Changelog

Version Description
8.1.0 The default value is now MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT. Previously, it was MYSQLI_REPORT_OFF.

Examples

Example #1 Object-oriented style

<?php/* activate reporting */$driver = new mysqli_driver();$driver->report_mode = MYSQLI_REPORT_ALL;try {    /* if the connection fails, a mysqli_sql_exception will be thrown */    $mysqli = new mysqli("localhost", "my_user", "my_password", "my_db");    /* this query should report an error */    $result = $mysqli->query("SELECT Name FROM Nonexistingtable WHERE population > 50000");    /* this query should report a bad index if the column population doesn't have an index */    $result = $mysqli->query("SELECT Name FROM City WHERE population > 50000");} catch (mysqli_sql_exception $e) {    error_log($e->__toString());}

Example #2 Procedural style

<?php/* activate reporting */mysqli_report(MYSQLI_REPORT_ALL);try {    /* if the connection fails, a mysqli_sql_exception will be thrown */    $link = mysqli_connect("localhost", "my_user", "my_password", "my_db");    /* this query should report an error */    $result = mysqli_query($link, "SELECT Name FROM Nonexistingtable WHERE population > 50000");    /* this query should report a bad index if the column population doesn't have an index */    $result = mysqli_query($link, "SELECT Name FROM City WHERE population > 50000");} catch (mysqli_sql_exception $e) {    error_log($e->__toString());}

Example #3 Error reporting except bad index errors

<?php/* activate reporting */mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);try {    /* if the connection fails, a mysqli_sql_exception will be thrown */    $mysqli = new mysqli("localhost", "my_user", "my_password", "my_db");    /* this query should report an error */    $result = $mysqli->query("SELECT Name FROM Nonexistingtable WHERE population > 50000");    /* this WILL NOT report any errors even if index is not available */    $result = $mysqli->query("SELECT Name FROM City WHERE population > 50000");} catch (mysqli_sql_exception $e) {    error_log($e->__toString());}

See Also