mysqli_driver::$report_mode

(PHP 5, PHP 7)

Enables or disables internal report functions

bool mysqli_report ( int $flags )

Object oriented style

int $mysqli_driver->report_mode ;

Procedural style

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).

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)

Returns:

Returns TRUE on success or FALSE on failure.

Changelog:

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.

Examples:

Object oriented style

<?php
 
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
 
/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}
 
/* 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");
 
    $result->close();
 
    $mysqli->close();
 
} catch (mysqli_sql_exception $e) {
 
    echo $e->__toString();
}
?>

Procedural style

<?php
/* activate reporting */
mysqli_report(MYSQLI_REPORT_ALL);
 
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
 
/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}
 
/* 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");
 
mysqli_free_result($result);
 
mysqli_close($link);
?>