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>Memcache::setCompressThreshold</H1
><DIV
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><A
NAME="AEN118802"
></A
><P
>    (no version information, might be only in CVS)</P
>Memcache::setCompressThreshold&nbsp;--&nbsp;Enable automatic compression of large values</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN118805"
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><H2
>说明</H2
>bool <B
CLASS="methodname"
>Memcache::setCompressThreshold</B
> ( int threshold [, float min_savings] )<BR
></BR
><P
>&#13;   <B
CLASS="function"
>Memcache::setCompressThreshold()</B
> enables automatic
   compression of large values.
   You can also use the <B
CLASS="function"
>memcache_set_compress_threshold()</B
> function.
  </P
><DIV
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><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
    This function has been added to Memcache version 2.0.0.
   </P
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CLASS="refsect1"
><A
NAME="AEN118821"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>threshold</CODE
></DT
><DD
><P
>&#13;       Controls the minimum value length before attempting to compress automatically. 
      </P
></DD
><DT
><CODE
CLASS="parameter"
>min_saving</CODE
></DT
><DD
><P
>&#13;       Specifies the minimum amount of savings to actually store the value
       compressed. The supplied value must be between 0 and 1. Default value
       is 0.2 giving a minimum 20% compression savings.
      </P
></DD
></DL
></DIV
>
  </P
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><DIV
CLASS="refsect1"
><A
NAME="AEN118835"
></A
><H2
>返回值</H2
><P
>&#13;   如果成功则返回 <TT
CLASS="constant"
><B
>TRUE</B
></TT
>，失败则返回 <TT
CLASS="constant"
><B
>FALSE</B
></TT
>。
  </P
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><A
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></A
><H2
>范例</H2
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></A
><P
><B
>例 1. <B
CLASS="function"
>Memcache::setCompressThreshold()</B
> example</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br /></font><font color="#FF8000">/* OO API */<br /><br /></font><font color="#0000BB">$memcache_obj </font><font color="#007700">= new </font><font color="#0000BB">Memcache</font><font color="#007700">;<br /></font><font color="#0000BB">$memcache_obj</font><font color="#007700">-&gt;</font><font color="#0000BB">addServer</font><font color="#007700">(</font><font color="#DD0000">'memcache_host'</font><font color="#007700">, </font><font color="#0000BB">11211</font><font color="#007700">);<br /></font><font color="#0000BB">$memcache_obj</font><font color="#007700">-&gt;</font><font color="#0000BB">setCompressThreshold</font><font color="#007700">(</font><font color="#0000BB">20000</font><font color="#007700">, </font><font color="#0000BB">0.2</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* procedural API */<br /><br /></font><font color="#0000BB">$memcache_obj </font><font color="#007700">= </font><font color="#0000BB">memcache_connect</font><font color="#007700">(</font><font color="#DD0000">'memcache_host'</font><font color="#007700">, </font><font color="#0000BB">11211</font><font color="#007700">);<br /></font><font color="#0000BB">memcache_set_compress_threshold</font><font color="#007700">(</font><font color="#0000BB">$memcache_obj</font><font color="#007700">, </font><font color="#0000BB">20000</font><font color="#007700">, </font><font color="#0000BB">0.2</font><font color="#007700">);<br /><br /></font><font color="#0000BB">?&gt;</font>
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