PHPerKaigi 2024

mysqli_stmt::$error

mysqli_stmt_error

(PHP 5, PHP 7, PHP 8)

mysqli_stmt::$error -- mysqli_stmt_errorReturns a string description for last statement error

Açıklama

Nesne yönelimli kullanım

Yordamsal kullanım

mysqli_stmt_error(mysqli_stmt $statement): string

Returns a string containing the error message for the most recently invoked statement function that can succeed or fail.

Bağımsız Değişkenler

deyim

Sadece yordamsal tarz: mysqli_stmt_init() işlevinden dönen bir mysqli_stmt nesnesi.

Dönen Değerler

A string that describes the error. An empty string if no error occurred.

Örnekler

Örnek 1 Nesne yönelimli kullanım

<?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();
?>

Örnek 2 Yordamsal kullanım

<?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);
?>

Yukarıdaki örneklerin çıktısı:

Error: Table 'world.myCountry' doesn't exist.

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