mysqli::dump_debug_infomysqli::errno
mysqli_errno
(PHP 5)
mysqli::errno -- mysqli_errno — Returns the error code for the most recent function call
Beschreibung
Objektorientierter Stil
Prozeduraler Stil
Returns the last error code for the most recent MySQLi function call that can succeed or fail.
Client error message numbers are listed in the MySQL errmsg.h header file, server error message numbers are listed in mysqld_error.h. In the MySQL source distribution you can find a complete list of error messages and error numbers in the file Docs/mysqld_error.txt.
Parameter-Liste
- link
-
Nur bei prozeduralem Aufruf: Ein von mysqli_connect() oder mysqli_init() zurückgegebenes Verbindungsobjekt.
Rückgabewerte
An error code value for the last call, if it failed. zero means no error occurred.
Beispiele
Beispiel #1 mysqli->errno example
Objektorientierter Stil
<?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("Errorcode: %d\n", $mysqli->errno);
}
/* close connection */
$mysqli->close();
?>
Prozeduraler Stil
<?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("Errorcode: %d\n", mysqli_errno($link));
}
/* close connection */
mysqli_close($link);
?>
Die obigen Bespiele erzeugen folgende Ausgabe:
Errorcode: 1193
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_error() - Returns a string description of the last error
- mysqli_sqlstate() - Returns the SQLSTATE error from previous MySQL operation
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User Contributed Notes
mysqli::errno