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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.2 $ -->
<!-- splitted from ./en/functions/shmop.xml, last change in rev 1.1 -->
<refentry id="function.shmop-write">
<refnamediv>
<refname>shmop_write</refname>
<refpurpose>Write data into shared memory block</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>int</type><methodname>shmop_write</methodname>
<methodparam><type>int</type><parameter>shmid</parameter></methodparam>
<methodparam><type>string</type><parameter>data</parameter></methodparam>
<methodparam><type>int</type><parameter>offset</parameter></methodparam>
</methodsynopsis>
<para>
<function>shmop_write</function> will write a string into shared memory block.
</para>
<para>
<function>shmop_write</function> takes 3 parameters: shmid, which is the
shared memory block identifier created by <function>shmop_open</function>,
data, a string that you want to write into shared memory block and offset,
which specifies where to start writing data inside the shared memory segment.
</para>
<para>
<example>
<title>Writing to shared memory block</title>
<programlisting role="php">
<![CDATA[
<?php
$shm_bytes_written = shmop_write($shm_id, $my_string, 0);
?>
]]>
</programlisting>
</example>
</para>
<para>
This example will write data inside <literal>$my_string</literal> into
shared memory block, <literal>$shm_bytes_written</literal> will contain
the number of bytes written.
</para>
</refsect1>
</refentry>
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