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)
mysqli_stmt::send_long_data -- mysqli_stmt_send_long_data — Send data in blocks
Descrierea
Stil obiect-orientat
Stil procedural
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.
Parametri
- stmt
-
Numai stilul procedural: Un identificator al declarației întors de 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.
Valorile întoarse
Întoarce valoarea TRUE în cazul succesului sau FALSE în cazul eșecului.
Exemple
Example #1 Stil obiect-orientat
<?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();
?>
Vedeți de asemenea
- mysqli_prepare() - Prepare an SQL statement for execution
- mysqli_stmt_bind_param() - Binds variables to a prepared statement as parameters
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.
