mysqli->error

mysqli_error

(PHP 5)

mysqli_error — Returns a string description of the last error

Description

Object oriented style (property):

mysqli

string$error;

Procedural style:

string mysqli_error ( mysqli $link )

Returns the last error message 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()

Return Values

A string that describes the error. An empty string if no error occurred.

Examples

Example #1 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();

}



if (!$mysqli->query("SET a=1")) {

    printf("Errormessage: %s\n", $mysqli->error);

}



/* close connection */

$mysqli->close();

?>

Example #2 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")) {

    printf("Errormessage: %s\n", mysqli_error($link));

}



/* close connection */

mysqli_close($link);

?>

The above example will output:

Errormessage: Unknown system variable 'a'