mysqli_stmt::send_long_data

mysqli_stmt_send_long_data

(PHP 5, PHP 7)

mysqli_stmt::send_long_data -- mysqli_stmt_send_long_dataSend data in blocks

说明

面向对象风格

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

过程化风格

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.

参数

stmt

仅以过程化样式:由 mysqli_stmt_init() 返回的 statement 标识。

param_nr

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

data

A string containing data to be sent.

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE

范例

Example #1 面向对象风格

<?php
$stmt 
$mysqli->prepare("INSERT INTO messages (message) VALUES (?)");
$null NULL;
$stmt->bind_param("b"$null);
$fp fopen("messages.txt""r");
while (!
feof($fp)) {
    
$stmt->send_long_data(0fread($fp8192));
}
fclose($fp);
$stmt->execute();
?>

参见