PHP 5.6.0 released

mysqli::$connect_errno

mysqli_connect_errno

(PHP 5)

mysqli::$connect_errno -- mysqli_connect_errnoReturns the error code from last connect call

Descrizione

Stile orientato agli oggetti

Stile procedurale

int mysqli_connect_errno ( void )

Returns the last error code number from the last call to mysqli_connect().

Nota:

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.

Valori restituiti

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

Esempi

Example #1 $mysqli->connect_errno example

Stile orientato agli oggetti

<?php
$mysqli 
= @new mysqli('localhost''fake_user''my_password''my_db');

if (
$mysqli->connect_errno) {
    die(
'Connect Error: ' $mysqli->connect_errno);
}
?>

Stile procedurale

<?php
$link 
= @mysqli_connect('localhost''fake_user''my_password''my_db');

if (!
$link) {
    die(
'Connect Error: ' mysqli_connect_errno());
}
?>

I precedenti esempi visualizzeranno:

Connect Error: 1045

Vedere anche:

add a note add a note

User Contributed Notes 1 note

up
0
Daro AP
27 days ago
'errmsg.h' and 'mysqld_error.h' files only have the definitions of the error codes. In the MySQL documentation you can find the definition along with the message it displays, which could be more useful since the error constant name isn't always explicit enough.

Client Error Codes and Messages
http://dev.mysql.com/doc/refman/5.6/en/error-messages-client.html

Server Error Codes and Messages
http://dev.mysql.com/doc/refman/5.6/en/error-messages-server.html
To Top