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

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

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><H1
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NAME="function.usleep"
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>usleep</H1
><DIV
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NAME="AEN126353"
></A
><P
>    (PHP 3, PHP 4, PHP 5)</P
>usleep&nbsp;--&nbsp;Delay execution in microseconds</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN126356"
></A
><H2
>说明</H2
>void <B
CLASS="methodname"
>usleep</B
> ( int micro_seconds )<BR
></BR
><P
>&#13;   Delays program execution for the given number of micro seconds.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN126365"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>micro_seconds</CODE
></DT
><DD
><P
>&#13;       Halt time in micro seconds. A micro second is one millionth of a
       second.
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN126374"
></A
><H2
>返回值</H2
><P
>&#13;   无返回值。
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN126377"
></A
><H2
>更新日志</H2
><P
>&#13;   <DIV
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><P
></P
><A
NAME="AEN126380"
></A
><TABLE
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><COL><COL><THEAD
><TR
><TH
>版本</TH
><TH
>说明</TH
></TR
></THEAD
><TBODY
><TR
><TD
>5.0.0</TD
><TD
>&#13;        This function now works on Windows systems.
       </TD
></TR
></TBODY
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><P
></P
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
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></A
><H2
>范例</H2
><P
>&#13;   <TABLE
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><DIV
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><A
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></A
><P
><B
>例 1. <B
CLASS="function"
>usleep()</B
> example</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br /></font><font color="#FF8000">// Current time<br /></font><font color="#007700">echo </font><font color="#0000BB">date</font><font color="#007700">(</font><font color="#DD0000">'h:i:s'</font><font color="#007700">) . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /><br /></font><font color="#FF8000">// wait for 2 seconds<br /></font><font color="#0000BB">usleep</font><font color="#007700">(</font><font color="#0000BB">2000000</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// back!<br /></font><font color="#007700">echo </font><font color="#0000BB">date</font><font color="#007700">(</font><font color="#DD0000">'h:i:s'</font><font color="#007700">) . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /><br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
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><P
>上例将输出：</P
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><PRE
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>11:13:28
11:13:30</PRE
></TD
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></DIV
></TD
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>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN126399"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
><TABLE
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><TBODY
><TR
><TD
><A
HREF="function.sleep.html"
><B
CLASS="function"
>sleep()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.set-time-limit.html"
><B
CLASS="function"
>set_time_limit()</B
></A
></TD
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></P
>
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