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mysqli::$connect_error

mysqli_connect_error

(PHP 5, PHP 7, PHP 8)

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

Description

Object-oriented style

Procedural style

mysqli_connect_error(): ?string

Parameters

This function has no parameters.

Return Values

A string that describes the error. [null](reserved.constants.php#constant.null) is returned if no error occurred.

Returns the last connection error regardless of the instance on which it is called.

Examples

Example #1 $mysqli->connect_error example

Object-oriented style

`<?php

mysqli_report

(MYSQLI_REPORT_OFF);
/* @ is used to suppress warnings /
$mysqli = @new mysqli('localhost', 'fake_user', 'wrong_password', 'does_not_exist');
if ($mysqli->connect_error) {
/ Use your preferred error logging method here */
error_log('Connection error: ' . $mysqli->connect_error);
}`

Procedural style

`<?php

mysqli_report

(MYSQLI_REPORT_OFF);
/* @ is used to suppress warnings /
$link = @mysqli_connect('localhost', 'fake_user', 'wrong_password', 'does_not_exist');
if (!$link) {
/ Use your preferred error logging method here */
error_log('Connection error: ' . mysqli_connect_error());
}`

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

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