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mysqli_stmt::send_long_data

mysqli_stmt_send_long_data

(PHP 5, PHP 7, PHP 8)

mysqli_stmt::send_long_data -- mysqli_stmt_send_long_data — Send data in blocks

Descrizione

Stile orientato agli oggetti

public mysqli_stmt::send_long_data(int $param_num, string $data): bool

Stile procedurale

mysqli_stmt_send_long_data(mysqli_stmt $statement, int $param_num, string $data): bool

Allows to send parameter data to the server in pieces (or chunks), e.g. if the size of a blob exceeds the size of max_allowed_packet. This function can be called multiple times to send the parts of a character or binary data value for a column, which must be one of the TEXT or BLOB datatypes.

Elenco dei parametri

stmt

Solo nello stile procedurale: un identificatore di statement restituito da mysqli_stmt_init().

param_num

Indicates which parameter to associate the data with. Parameters are numbered beginning with 0.

data

A string containing data to be sent.

Valori restituiti

Restituisce true in caso di successo, false in caso di fallimento.

Esempi

Example #1 Stile orientato agli oggetti

<?php
$stmt = $mysqli->prepare("INSERT INTO messages (message) VALUES (?)");
$null = NULL;
$stmt->bind_param("b", $null);
$fp = fopen("messages.txt", "r");
while (!feof($fp)) {
$stmt->send_long_data(0, fread($fp, 8192));
}
fclose($fp);
$stmt->execute();
?>

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