mysqli_stmt
PHP Manual

mysqli_stmt::send_long_data

mysqli_stmt_send_long_data

Send data in blocks

Description

Object-oriented style

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

Procedural style

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

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.

Parameters

statement

Procedural style only: A mysqli_stmt object returned by 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.

Return Values

Returns true on success or false on failure.

Examples

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();
?>

See Also

  • mysqli_prepare
  • mysqli_stmt_bind_param