mysqli_stmt::send_long_data

mysqli_stmt_send_long_data

(PHP 5, PHP 7)

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

˵��

���������

mysqli_stmt::send_long_data ( int $param_nr , string $data ) : bool

���̻����

mysqli_stmt_send_long_data ( mysqli_stmt $stmt , int $param_nr , 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.

����

stmt

���Թ��̻���ʽ���� mysqli_stmt_init() ���ص� statement ��ʶ��

param_nr

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

data

A string containing data to be sent.

����ֵ

�ɹ�ʱ���� TRUE�� ������ʧ��ʱ���� FALSE��

����

Example #1 ���������

<?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();
?>

�μ�