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

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>getrusage</H1
><DIV
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><A
NAME="AEN181435"
></A
><P
>    (PHP 3 &#62;= 3.0.7, PHP 4, PHP 5)</P
>getrusage&nbsp;--&nbsp;Gets the current resource usages</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN181438"
></A
><H2
>说明</H2
>array <B
CLASS="methodname"
>getrusage</B
> ( [int who] )<BR
></BR
><P
>&#13;   This is an interface to getrusage(2). It gets data returned from the
   system call. 
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN181447"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>who</CODE
></DT
><DD
><P
>&#13;       If who is 1, getrusage will be called with RUSAGE_CHILDREN.
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN181456"
></A
><H2
>返回值</H2
><P
>&#13;   Returns an associative array containing the data returned from the system
   call. All entries are accessible by using their documented field names.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN181459"
></A
><H2
>范例</H2
><P
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><P
><B
>例 1. <B
CLASS="function"
>getrusage()</B
> example</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$dat </font><font color="#007700">= </font><font color="#0000BB">getrusage</font><font color="#007700">();<br />echo </font><font color="#0000BB">$dat</font><font color="#007700">[</font><font color="#DD0000">"ru_nswap"</font><font color="#007700">];&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">// number of swaps<br /></font><font color="#007700">echo </font><font color="#0000BB">$dat</font><font color="#007700">[</font><font color="#DD0000">"ru_majflt"</font><font color="#007700">];&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">// number of page faults<br /></font><font color="#007700">echo </font><font color="#0000BB">$dat</font><font color="#007700">[</font><font color="#DD0000">"ru_utime.tv_sec"</font><font color="#007700">];&nbsp;&nbsp;</font><font color="#FF8000">// user time used (seconds)<br /></font><font color="#007700">echo </font><font color="#0000BB">$dat</font><font color="#007700">[</font><font color="#DD0000">"ru_utime.tv_usec"</font><font color="#007700">]; </font><font color="#FF8000">// user time used (microseconds)<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN181466"
></A
><H2
>注释</H2
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>本函数未在 Windows 平台下实现。</P
></BLOCKQUOTE
></DIV
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><A
NAME="AEN181470"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
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><TR
><TD
>Your system's man page on getrusage(2)</TD
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