(PHP 5, PHP 7, PHP 8)
mysqli::$connect_error -- mysqli_connect_error — Returns a description of the last connection error
Object-oriented style
Procedural style
Returns the error message from the last connection attempt.
This function has no parameters.
A string that describes the error. null
is returned if no error occurred.
Example #1 $mysqli->connect_error example
Object-oriented style
<?phpmysqli_report(MYSQLI_REPORT_OFF);/* @ is used to suppress warnings */$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: ' . $mysqli->connect_error);}
Procedural style
<?phpmysqli_report(MYSQLI_REPORT_OFF);/* @ is used to suppress warnings */$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());}