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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 299161 $ -->
<refentry xml:id="mysqli-stmt.send-long-data" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>mysqli_stmt::send_long_data</refname>
<refname>mysqli_stmt_send_long_data</refname>
<refpurpose>Send data in blocks</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<para>&style.oop;</para>
<methodsynopsis>
<type>bool</type><methodname>mysqli_stmt::send_long_data</methodname>
<methodparam><type>int</type><parameter>param_nr</parameter></methodparam>
<methodparam><type>string</type><parameter>data</parameter></methodparam>
</methodsynopsis>
<para>&style.procedural;</para>
<methodsynopsis>
<type>bool</type><methodname>mysqli_stmt_send_long_data</methodname>
<methodparam><type>mysqli_stmt</type><parameter>stmt</parameter></methodparam>
<methodparam><type>int</type><parameter>param_nr</parameter></methodparam>
<methodparam><type>string</type><parameter>data</parameter></methodparam>
</methodsynopsis>
<para>
Allows to send parameter data to the server in pieces (or chunks), e.g. if the
size of a blob exceeds the size of <literal>max_allowed_packet</literal>.
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.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
&mysqli.stmt.description;
<varlistentry>
<term><parameter>param_nr</parameter></term>
<listitem>
<para>
Indicates which parameter to associate the data with. Parameters are
numbered beginning with 0.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>data</parameter></term>
<listitem>
<para>
A string containing data to be sent.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<para>&style.oop;</para>
<programlisting role="php">
<![CDATA[
<?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();
?>
]]>
</programlisting>
</example>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>mysqli_prepare</function></member>
<member><function>mysqli_stmt_bind_param</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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