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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.5 $ -->
<refentry xml:id="function.shmop-size" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>shmop_size</refname>
<refpurpose>Get size of shared memory block</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<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>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>shmid</parameter></term>
<listitem>
<para>
The shared memory block identifier created by
<function>shmop_open</function>
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns an int, which represents the number of bytes the shared memory
block occupies.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<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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