mysqli_stmt::$error
mysqli_stmt_error
(PHP 5, PHP 7, PHP 8)
mysqli_stmt::$error -- mysqli_stmt_error — Returns a string description for last statement error
Descrizione
Stile orientato agli oggetti
Stile procedurale
Returns a string containing the error message for the most recently invoked statement function that can succeed or fail.
Elenco dei parametri
-
stmt -
Solo nello stile procedurale: un identificatore di statement restituito da mysqli_stmt_init().
Valori restituiti
A string that describes the error. An empty string if no error occurred.
Esempi
Example #1 Stile orientato agli oggetti
<?php
/* Open a connection */
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$mysqli->query("CREATE TABLE myCountry LIKE Country");
$mysqli->query("INSERT INTO myCountry SELECT * FROM Country");
$query = "SELECT Name, Code FROM myCountry ORDER BY Name";
if ($stmt = $mysqli->prepare($query)) {
/* drop table */
$mysqli->query("DROP TABLE myCountry");
/* execute query */
$stmt->execute();
printf("Error: %s.\n", $stmt->error);
/* close statement */
$stmt->close();
}
/* close connection */
$mysqli->close();
?>Example #2 Stile procedurale
<?php
/* Open a connection */
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
mysqli_query($link, "CREATE TABLE myCountry LIKE Country");
mysqli_query($link, "INSERT INTO myCountry SELECT * FROM Country");
$query = "SELECT Name, Code FROM myCountry ORDER BY Name";
if ($stmt = mysqli_prepare($link, $query)) {
/* drop table */
mysqli_query($link, "DROP TABLE myCountry");
/* execute query */
mysqli_stmt_execute($stmt);
printf("Error: %s.\n", mysqli_stmt_error($stmt));
/* close statement */
mysqli_stmt_close($stmt);
}
/* close connection */
mysqli_close($link);
?>I precedenti esempi visualizzeranno:
Error: Table 'world.myCountry' doesn't exist.
Vedere anche:
- mysqli_stmt_errno() - Returns the error code for the most recent statement call
- mysqli_stmt_sqlstate() - Returns SQLSTATE error from previous statement operation
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