PHP Dokumentation: Mysqli error
12. Januar 2010 von werner
mysqli->error
mysqli_error
(PHP 5)
mysqli->error — mysqli_error — Returns a string description of the last error
Beschreibung
Object oriented style (property):
string $error;
Procedural style:
Returns the last error message for the most recent MySQLi function call that can succeed or fail.
Parameter-Liste
- link
Nur bei prozeduralem Aufruf: Ein vonmysqli_connect() oder mysqli_init()zurückgegebenes Verbindungsobjekt.
Rückgabewerte
A string that describes the error. An empty string if no error occurred.
Beispiele
Beispiel #1 Object oriented style
<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}if (!
$mysqli->query("SET a=1")) {
printf("Errormessage: %s\n", $mysqli->error);
}/* close connection */
$mysqli->close();
?>Beispiel #2 Procedural style
<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}if (!
mysqli_query($link, "SET a=1")) {
printf("Errormessage: %s\n", mysqli_error($link));
}/* close connection */
mysqli_close($link);
?>Das oben gezeigte Beispiel erzeugt folgendeAusgabe:
Errormessage: Unknown system variable 'a'
Siehe auch
- mysqli_connect_errno() – Returns the error code from last connect call
- mysqli_connect_error() – Returns a string description of the last connect error
- mysqli_errno() – Returns the error code for the most recent function call
- mysqli_sqlstate() – Returns the SQLSTATE error from previous MySQL operation
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