mysqli::$connect_errno
PHP function
Edit on GitHub ✎
Returns the error code from last connect call
Description
Oop
intmysqli->connect_errno
Procedural
mysqli_connect_errno(): int
Returns the error code from the last connection attempt.
Parameters Parameters
Return Values
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.
Examples
$mysqli->connect_errno 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_errno) {
/* Use your preferred error logging method here */
error_log('Connection error: ' . $mysqli->connect_errno);
}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_errno());
}