mysqli::$connect_errno
mysqli_connect_errno
(PHP 5, PHP 7)
mysqli::$connect_errno -- mysqli_connect_errno — Returns the error code from last connect call
Description
Object oriented style
Procedural style
mysqli_connect_errno ( ) : int
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 #1 $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() - Alias of mysqli::__construct
- mysqli_connect_error() - Returns a string description of the last connect error
- mysqli_errno() - Returns the error code for the most recent function call
- mysqli_error() - Returns a string description of the last error
- mysqli_sqlstate() - Returns the SQLSTATE error from previous MySQL operation
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/mysqli.connect-errno.php