(PHP 5, PHP 7, PHP 8)
mysqli::$connect_errno -- mysqli_connect_errno — Returns the error code from last connect call
Об'єктно-орієнтований стиль
Процедурний стиль
Returns the error code from the last connection attempt.
У цієї функції немає параметрів.
An error code for the last connection attempt, if it failed. Zero means no error occurred.
Returns the last connection error code regardless of the instance on which it is called.
Приклад #1 $mysqli->connect_errno example
Об'єктно-орієнтований стиль
<?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_errno) {
/* Use your preferred error logging method here */
error_log('Connection error: ' . $mysqli->connect_errno);
}Процедурний стиль
<?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_errno());
}