Sophie: php-manual-pt_BR-5.2.4-1mdv2008.1 noarch

php-manual-pt_BR-5.2.4-1mdv2008.1.noarch.rpm

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>stream_set_write_buffer</H1
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><P
>    (PHP 4 &#62;= 4.3.0, PHP 5)</P
>stream_set_write_buffer&nbsp;--&nbsp;Sets file buffering on the given stream</DIV
><DIV
CLASS="refsect1"
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NAME="AEN217506"
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><H2
>Description</H2
>int <B
CLASS="methodname"
>stream_set_write_buffer</B
> ( resource stream, int buffer )<BR
></BR
><P
>&#13;     Output using <A
HREF="function.fwrite.html"
><B
CLASS="function"
>fwrite()</B
></A
> is normally buffered at
     8K.  This means that if there are two processes wanting to write
     to the same output stream (a file), each is paused after 8K of
     data to allow the other to write.
     <B
CLASS="function"
>stream_set_write_buffer()</B
>
     sets the buffering for write operations on the given filepointer
     <CODE
CLASS="parameter"
>stream</CODE
> to <CODE
CLASS="parameter"
>buffer</CODE
> bytes.
     If <CODE
CLASS="parameter"
>buffer</CODE
> is 0 then write operations are
     unbuffered.  This ensures that all writes with
     <A
HREF="function.fwrite.html"
><B
CLASS="function"
>fwrite()</B
></A
> are completed before other processes
     are allowed to write to that output stream.
    </P
><P
>&#13;     The function returns 0 on success, or EOF if the request cannot
     be honored.
    </P
><P
>&#13;     The following example demonstrates how to use
     <B
CLASS="function"
>stream_set_write_buffer()</B
> to create an unbuffered stream.
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><B
>Exemplo 1. <B
CLASS="function"
>stream_set_write_buffer()</B
> example</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$fp </font><font color="#007700">= </font><font color="#0000BB">fopen</font><font color="#007700">(</font><font color="#0000BB">$file</font><font color="#007700">, </font><font color="#DD0000">"w"</font><font color="#007700">);<br />if (</font><font color="#0000BB">$fp</font><font color="#007700">) {<br />&nbsp;&nbsp;</font><font color="#0000BB">stream_set_write_buffer</font><font color="#007700">(</font><font color="#0000BB">$fp</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">);<br />&nbsp;&nbsp;</font><font color="#0000BB">fwrite</font><font color="#007700">(</font><font color="#0000BB">$fp</font><font color="#007700">, </font><font color="#0000BB">$output</font><font color="#007700">);<br />&nbsp;&nbsp;</font><font color="#0000BB">fclose</font><font color="#007700">(</font><font color="#0000BB">$fp</font><font color="#007700">);<br />}<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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    </P
><P
>&#13;     See also
     <A
HREF="function.fopen.html"
><B
CLASS="function"
>fopen()</B
></A
> and
     <A
HREF="function.fwrite.html"
><B
CLASS="function"
>fwrite()</B
></A
>.
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