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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-size">
<refnamediv>
<refname>shmop_size</refname>
<refpurpose>Get size of shared memory block</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>int</type><methodname>shmop_size</methodname>
<methodparam><type>int</type><parameter>shmid</parameter></methodparam>
</methodsynopsis>
<para>
<function>shmop_size</function> is used to get the size, in bytes of the
shared memory block.
</para>
<para>
<function>shmop_size</function> takes the shmid, which is the shared memory
block identifier created by <function>shmop_open</function>, the function
will return and int, which represents the number of bytes the shared memory
block occupies.
</para>
<para>
<example>
<title>Getting the size of the shared memory block</title>
<programlisting role="php">
<![CDATA[
<?php
$shm_size = shmop_size($shm_id);
?>
]]>
</programlisting>
</example>
</para>
<para>
This example will put the size of shared memory block identified by
<literal>$shm_id</literal> into <literal>$shm_size</literal>.
</para>
</refsect1>
</refentry>
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