mysqli::$connect_error
PHP function
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Returns a description of the last connection error
Description
Oop
string|nullmysqli->connect_error
Procedural
mysqli_connect_error(): string|null
Returns the error message from the last connection attempt.
Parameters Parameters
Return Values
A string that describes the error. null is returned if no error occurred.
Returns the last connection error regardless of the instance on which it is called.
Examples
$mysqli->connect_error example
Oop
php
<?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
php
<?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());
}