mysqli::$connect_errno
mysqli::__construct
mysqli
PHP Manual

# mysqli::$connect_error

# mysqli_connect_error

(PHP 5)

mysqli::$connect_error -- mysqli_connect_error — Returns a string description of the last connect error

### Description

Object oriented style

string $mysqli->connect_error;

Procedural style

string mysqli_connect_error ( void )

Returns the last error message string from the last call to mysqli_connect().

### Return Values

A string that describes the error. `NULL` is returned if no error occurred.

### Examples

Example #1 $mysqli->connect_error example

Object oriented style

`<?php
$mysqli = @new mysqli('localhost', 'fake_user', 'my_password', 'my_db');
// Works as of PHP 5.2.9 and 5.3.0.
if ($mysqli->connect_error) {
die('Connect Error: ' . $mysqli->connect_error);
}
?>`

Procedural style

`<?php
$link = @mysqli_connect('localhost', 'fake_user', 'my_password', 'my_db');
if (!$link) {
die('Connect Error: ' . mysqli_connect_error());
}
?>`

The above examples will output:

    Connect Error: Access denied for user 'fake_user'@'localhost' (using password: YES)

### Notes

Warning

The mysqli->connect_error property only works properly as of PHP versions 5.2.9 and 5.3.0. Use the mysqli_connect_error() function if compatibility with earlier PHP versions is required.

### See Also

- mysqli_connect() - Alias of mysqli::__construct
- mysqli_connect_errno() - Returns the error code from last connect call
- 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

mysqli::$connect_errno
mysqli::__construct
mysqli
PHP Manual