mysqli::$error_list

(PHP 5 >= 5.4.0, PHP 7)

Returns a list of errors from the last command executed

array mysqli_error_list ( mysqli $link )

Object oriented style

array $mysqli->error_list;

Procedural style

Returns a array of errors for the most recent MySQLi function call that can succeed or fail.

Parameters:

link

Procedural style only: A link identifier returned by mysqli_connect() or mysqli_init()

Returns:

A list of errors, each as an associative array containing the errno, error, and sqlstate.

Examples:

$mysqli->error_list example

Object oriented style

<?php
$mysqli = new mysqli("localhost", "nobody", "");

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

if (!$mysqli->query("SET a=1")) {
    print_r($mysqli->error_list);
}

/* close connection */
$mysqli->close();
?>

Procedural style

<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");

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

if (!mysqli_query($link, "SET a=1")) {
    print_r(mysqli_error_list($link));
}

/* close connection */
mysqli_close($link);
?>

The above examples will output:

Array
(
    [0] => Array
        (
            [errno] => 1193
            [sqlstate] => HY000
            [error] => Unknown system variable 'a'
        )

)