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mysqli::$errno

Contents

mysqli_errno

(PHP 5, PHP 7)

mysqli::$errno -- mysqli_errno — Returns the error code for the most recent function call

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Description

Object oriented style

int $mysqli->errno;

Procedural style

mysqli_errno ( mysqli $link ) : int

Returns the last error code for the most recent MySQLi function call that can succeed or fail.

Client error message numbers are listed in the MySQL errmsg.h header file, server error message numbers are listed in mysqld_error.h. In the MySQL source distribution you can find a complete list of error messages and error numbers in the file Docs/mysqld_error.txt.

PHP: mysqli::$errno - Manual Home of Manuel PHP  Contents Haut

Parameters

link

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

PHP: mysqli::$errno - Manual Home of Manuel PHP  Contents Haut

Return Values

An error code value for the last call, if it failed. zero means no error occurred.

PHP: mysqli::$errno - Manual Home of Manuel PHP  Contents Haut

Examples

Example #1 $mysqli->errno example

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("Errorcode: %d\n", $mysqli->errno);
}

/* 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($link, "SET a=1")) {
    printf("Errorcode: %d\n", mysqli_errno($link));
}

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

The above examples will output:

Errorcode: 1193

PHP: mysqli::$errno - Manual Home of Manuel PHP  Contents Haut

See Also

Find a PHP function
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