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<HTML
><HEAD
><TITLE
>shm_read</TITLE
><META
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>shm_read</A
></H1
><DIV
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><A
NAME="AEN34271"
></A
><P
> (unknown)</P
>shm_read -- Read data from shared memory block</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN34274"
></A
><H2
>Description</H2
><DIV
CLASS="funcsynopsis"
><A
NAME="AEN34276"
></A
><P
></P
><P
><CODE
><CODE
CLASS="FUNCDEF"
>string <B
CLASS="function"
>shm_read</B
></CODE
> (int shmid, int start, int count)</CODE
></P
><P
></P
></DIV
><P
> <B
CLASS="function"
>shm_read()</B
> will read a string from shared memory block.
</P
><P
> <B
CLASS="function"
>shm_read()</B
> takes 3 parameters: shmid, which is the shared
memory block identifier created by <B
CLASS="function"
>shm_open()</B
>, offset from
which to start reading and count on the number of bytes to read.
</P
><P
> <TABLE
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CLASS="EXAMPLE"
><TR
><TD
><DIV
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><A
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></A
><P
><B
>Example 1. Reading shared memory block</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="programlisting"
> <?php
$shm_data = shm_read($shm_id, 0, 50);
?>
</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
</P
><P
> This example will read 50 bytes from shared memory block and place the data
inside <TT
CLASS="literal"
>$shm_data</TT
>.
</P
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