Just in case:
'max_allowed_packet' is a MySQL variable; it is not a PHP function/variable/constant.
Further info: http://dev.mysql.com/doc/refman/4.1/en/packet-too-large.html
HTH.
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
Description
Object oriented style
mysqli_stmt::send_long_data
( int
$param_nr
, string $data
) : boolProcedural style
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
-
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.
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() - Prepare an SQL statement for execution
- mysqli_stmt_bind_param() - Binds variables to a prepared statement as parameters
add a note
User Contributed Notes 2 notes
Gustavo Narea ¶
13 years ago
lussnig at smcc dot de ¶
13 years ago
send_long_data() these function is normaly used to store Data in Binary blob field. But if the table is UTF8 and connection charset it does not expect binary data (for example images) it take utf8 Data.
This mean you have to do utf8_encode bevore sending binary data.
