mysqli::$connect_errno
mysqli_connect_errno
(PHP 5, PHP 7, PHP 8)
mysqli::$connect_errno -- mysqli_connect_errno — Returns the error code from last connect call
Beschreibung
Objektorientierter Stil
Prozeduraler Stil
mysqli_connect_errno(): int
Returns the error code from the last connection attempt.
Parameter-Liste
Diese Funktion besitzt keine Parameter.
Rückgabewerte
An error code for the last connection attempt, if it failed. Zero means no error occurred.
Beispiele
Beispiel #1 $mysqli->connect_errno example
Objektorientierter Stil
<?php
/* @ is used to suppress default error messages */
$mysqli = @new mysqli('localhost', 'fake_user', 'my_password', 'my_db');
if ($mysqli->connect_errno) {
/* Use your preferred error logging method here */
error_log('Connection error: ' . $mysqli->connect_errno);
}
Prozeduraler Stil
<?php
/* @ is used to suppress default error messages */
$link = @mysqli_connect('localhost', 'fake_user', 'my_password', 'my_db');
if (!$link) {
/* Use your preferred error logging method here */
error_log('Connection error: ' . mysqli_connect_errno());
}
Die obigen Bespiele erzeugen folgende Ausgabe:
Connection error: 1045
Siehe auch
- mysqli_connect() - Alias von mysqli::__construct
- mysqli_connect_error() - Returns a description of the last connection error
- 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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