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mysqli_errno
Podręcznik PHP
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mysqli_errno

(PHP 5)

mysqli_errno

(no version information, might be only in CVS)

mysqli->errno -- Returns the error code for the most recent function call

Opis

Procedural style:

int mysqli_errno ( mysqli link )

Object oriented style (property):

class mysqli {

int errno

}

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.

Parametry

link

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

Zwracane wartości

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

Przykłady

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

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

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

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

Powyższy przykład wyświetli:

Errorcode: 1193

Patrz także

mysqli_connect_errno()
mysqli_connect_error()
mysqli_error()
mysqli_sqlstate()

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