mysqli_driver::$report_mode
mysqli_report
Sets mysqli error reporting mode
Description
Object-oriented style
int$mysqli_driver->report_mode;
Procedural style
bool mysqli_report(int $flags)
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.
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
- mysqli_sql_exception
- set_exception_handler
- error_reporting