mysqli::$errno

mysqli_errno

(PHP 5)

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

Descrierea

Stil obiect-orientat

int $mysqli->errno;

Stil procedural

int mysqli_errno ( mysqli $link )

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.

Parametri

link: Numai stilul procedural: Un identificator al legăturii întors de mysqli_connect() sau mysqli_init()

Valorile întoarse

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

Exemple

Example #1 $mysqli->errno example

Stil obiect-orientat


<?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();
?>

Stil procedural


<?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);
?>

Exemplele de mai sus vor afișa:

Errorcode: 1193

Vedeți de asemenea

mysqli_connect_errno() - Returns the error code from last connect call
mysqli_connect_error() - Returns a string description of the last connect error
mysqli_error() - Returns a string description of the last error
mysqli_sqlstate() - Returns the SQLSTATE error from previous MySQL operation

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