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mysqli_driver::$report_mode

mysqli_report

(PHP 5, PHP 7)

mysqli_driver::$report_mode -- mysqli_report — Sets mysqli error reporting mode

Description

Object oriented style

int $mysqli_driver->report_mode;

Procedural style

mysqli_report(int $flags): bool

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).

The default setting is MYSQLI_REPORT_OFF.

Parameters

flags

**Supported 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)

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 {
    $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());
}

User Contributed Notes 2 notes

down

nineoclick (atsymbol) gmail (dot) com ¶

6 years ago


Seems not clear but flags *could be combined*, as per other flags.
For example:

<?php

# wannabe noticed about all errors except those about indexes
$driver = new mysqli_driver();
$driver->report_mode = MYSQLI_REPORT_ALL & ~MYSQLI_REPORT_INDEX;

?>

down

welfordmartin at gmail dot com ¶

3 years ago


As a recommendaton on memory management please don't use the objective way your creating an object to specify one property and thats all your doing with it, much more effective both for the parser and for memory to use the proccedual style for setting the report flag.

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