mysqli::$connect_error
mysqli_connect_error
(PHP 5, PHP 7)
mysqli::$connect_error -- mysqli_connect_error — Returns a description of the last connection error
Beschreibung
Objektorientierter Stil
string|null $mysqli->connect_error;
Prozeduraler Stil
mysqli_connect_error
(
) : string|null
Returns the error message from the last connection attempt.
Parameter-Liste
Diese Funktion besitzt keine Parameter.
Rückgabewerte
A string that describes the error. null is returned if no error occurred.
Beispiele
Beispiel #1 $mysqli->connect_error example
Objektorientierter Stil
<?php
/* @ is used to suppress default error messages */
$mysqli = @new mysqli('localhost', 'fake_user', 'my_password', 'my_db');
if ($mysqli->connect_error) {
/* Use your preferred error logging method here */
error_log('Connection error: ' . $mysqli->connect_error);
}
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_error());
}
Die obigen Bespiele erzeugen folgende Ausgabe:
Connection error: Access denied for user 'fake_user'@'localhost' (using password: YES)
Siehe auch
- mysqli_connect() - Alias von mysqli::__construct
- mysqli_connect_errno() - Returns the error code from last connect call
- 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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