Documentation Home
MySQL PHP API
Download this Manual
PDF (US Ltr) - 2.4Mb
PDF (A4) - 2.4Mb
HTML Download (TGZ) - 250.9Kb
HTML Download (Zip) - 258.4Kb


MySQL PHP API  /  ...  /  mysqli::$connect_errno, mysqli_connect_errno

3.9.8 mysqli::$connect_errno, mysqli_connect_errno

Copyright 1997-2019 the PHP Documentation Group.

  • mysqli::$connect_errno

    mysqli_connect_errno

    Returns the error code from last connect call

Description

Object oriented style

int mysqli->connect_errno ;

Procedural style

int mysqli_connect_errno();

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

Note

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.

Return Values

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

Examples

Example 3.37 $mysqli->connect_errno example

Object oriented style

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

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

Procedural style

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

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

The above examples will output:


Connect Error: 1045


See Also

mysqli_connect
mysqli_connect_error
mysqli_errno
mysqli_error
mysqli_sqlstate


User Comments
User comments in this section are, as the name implies, provided by MySQL users. The MySQL documentation team is not responsible for, nor do they endorse, any of the information provided here.
Sign Up Login You must be logged in to post a comment.