mysqli_stmt_send_long_data
stmt->send_long_data()
(No version information available, might be only in CVS)
stmt->send_long_data() — Send data in blocks
说明
Procedural style:
Object oriented style (method)
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
-
Procedural style only: A statement identifier returned by mysqli_stmt_init().
- 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
如果成功则返回 TRUE，失败则返回 FALSE。
范例
Example#1 Object oriented style
<?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();
?>
