(PHP 5, PHP 7)
mysqli_stmt::send_long_data -- mysqli_stmt_send_long_data — Send data in blocks
面向对象风格
$param_nr
, string $data
)过程化风格
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仅以过程化样式：由 mysqli_stmt_init() 返回的 statement 标识。
param_nrIndicates which parameter to associate the data with. Parameters are numbered beginning with 0.
dataA string containing data to be sent.
成功时返回 TRUE， 或者在失败时返回 FALSE。
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)) {
$stmt->send_long_data(0, fread($fp, 8192));
}
fclose($fp);
$stmt->execute();
?>