mysqli_sqlstate
mysqli->sqlstate
(PHP 5)
mysqli->sqlstate — Returns the SQLSTATE error from previous MySQL operation
Descrizione
Procedural style:
Object oriented style (property):
Returns a string containing the SQLSTATE error code for the last error. The error code consists of five characters. '00000' means no error. The values are specified by ANSI SQL and ODBC. For a list of possible values, see » https://dev.mysql.com/doc/mysql/en/error-handling.html.
Nota: Note that not all MySQL errors are yet mapped to SQLSTATE's. The value HY000 (general error) is used for unmapped errors.
Elenco dei parametri
- link
-
Solo nello stile procedurale: un identificatore restituito da mysqli_connect() o mysqli_init()
Valori restituiti
Returns a string containing the SQLSTATE error code for the last error. The error code consists of five characters. '00000' means no error.
Esempi
Example#1 Object oriented style
<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
/* Table City already exists, so we should get an error */
if (!$mysqli->query("CREATE TABLE City (ID INT, Name VARCHAR(30))")) {
printf("Error - SQLSTATE %s.\n", $mysqli->sqlstate);
}
$mysqli->close();
?>
Example#2 Procedural style
<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
/* Table City already exists, so we should get an error */
if (!mysqli_query($link, "CREATE TABLE City (ID INT, Name VARCHAR(30))")) {
printf("Error - SQLSTATE %s.\n", mysqli_sqlstate($link));
}
mysqli_close($link);
?>
Il precedente esempio visualizzerà :
Error - SQLSTATE 42S01.