<HTML ><HEAD ><TITLE >shmop_size</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="PHP Manual" HREF="index.html"><LINK REL="UP" TITLE="Shared Memory Functions" HREF="ref.shmop.html"><LINK REL="PREVIOUS" TITLE="shmop_read" HREF="function.shmop-read.html"><LINK REL="NEXT" TITLE="shmop_write" HREF="function.shmop-write.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-1"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.shmop-read.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.shmop-write.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.shmop-size" ></A >shmop_size</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN84974" ></A ><P > (PHP 4 >= 4.0.4)</P >shmop_size -- Get size of shared memory block</DIV ><DIV CLASS="refsect1" ><A NAME="AEN84977" ></A ><H2 >Description</H2 >int <B CLASS="methodname" >shmop_size</B > ( int shmid)<BR ></BR ><P > <B CLASS="function" >shmop_size()</B > is used to get the size, in bytes of the shared memory block. </P ><P > <B CLASS="function" >shmop_size()</B > takes the shmid, which is the shared memory block identifier created by <A HREF="function.shmop-open.html" ><B CLASS="function" >shmop_open()</B ></A >, the function will return and int, which represents the number of bytes the shared memory block occupies. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN84991" ></A ><P ><B >Example 1. Getting the size of the shared memory block</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="php" ><?php $shm_size = shmop_size($shm_id); ?></PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > This example will put the size of shared memory block identified by <TT CLASS="literal" >$shm_id</TT > into <TT CLASS="literal" >$shm_size</TT >. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.shmop-read.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.shmop-write.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >shmop_read</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.shmop.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >shmop_write</TD ></TR ></TABLE ></DIV ></BODY ></HTML >