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

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>px_timestamp2string</TITLE
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>px_timestamp2string</H1
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><P
>    (PECL)</P
>px_timestamp2string&nbsp;--&nbsp;
   Converts the timestamp into a string.
  </DIV
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CLASS="refsect1"
><A
NAME="AEN168316"
></A
><H2
>说明</H2
>string <B
CLASS="methodname"
>px_timestamp2string</B
> ( resource pxdoc, float value, string format )<BR
></BR
><P
>&#13;   Turns a timestamp as it stored in the paradox file into human readable
   format. Paradox timestamps are the number of milliseconds since 1.1.0000.
   This function is just for convenience. It can be easily replaced by some
   math and the calendar functions as demonstrated in the following example.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN168331"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>pxdoc</CODE
></DT
><DD
><P
>&#13;       Resource identifier of the paradox database.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>value</CODE
></DT
><DD
><P
>&#13;       Value as stored in paradox database field of type
       PX_FIELD_TIME, or PX_FIELD_TIMESTAMP.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>format</CODE
></DT
><DD
><P
>&#13;        String format similar to the format used by <A
HREF="function.date.html"
><B
CLASS="function"
>date()</B
></A
>.
        The placeholders support by this function is a subset of those
        supported by <A
HREF="function.date.html"
><B
CLASS="function"
>date()</B
></A
> (Y, y, m, n, d, j, H, h, G, g,
        i, s, A, a, L).
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN168352"
></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
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN168357"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
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><P
><B
>例 1. Turn a paradox timestamp into a human readable form</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$px </font><font color="#007700">= </font><font color="#0000BB">px_new</font><font color="#007700">();<br /><br /></font><font color="#FF8000">/* make up a date as it could be stored in */<br />/* a date field of a paradox db. */<br />/* 700000 days since 1.1.0000. */<br /></font><font color="#0000BB">$days </font><font color="#007700">= </font><font color="#0000BB">700000</font><font color="#007700">;<br /><br /></font><font color="#FF8000">/* Use the calendar functions to print a */<br />/* human readable format of the date */<br /></font><font color="#007700">echo </font><font color="#0000BB">jdtogregorian</font><font color="#007700">(</font><font color="#0000BB">$days</font><font color="#007700">+</font><font color="#0000BB">1721425</font><font color="#007700">).</font><font color="#DD0000">"\n"</font><font color="#007700">;<br /><br /></font><font color="#FF8000">/* Turn it into a timestamp as it stored in a paradox database */<br />/* Timestamps are stored in milli seconds since 1.1.0000 */<br /></font><font color="#0000BB">$stamp </font><font color="#007700">= </font><font color="#0000BB">$days </font><font color="#007700">* </font><font color="#0000BB">86400.0 </font><font color="#007700">* </font><font color="#0000BB">1000.0</font><font color="#007700">;<br /></font><font color="#FF8000">/* Add one hour */<br /></font><font color="#0000BB">$stamp </font><font color="#007700">+= </font><font color="#0000BB">3600000.0</font><font color="#007700">;<br /></font><font color="#FF8000">/* The following will output '7/15/1917 01:00:00'. */<br /></font><font color="#007700">echo </font><font color="#0000BB">px_timestamp2string</font><font color="#007700">(</font><font color="#0000BB">$px</font><font color="#007700">, </font><font color="#0000BB">$stamp</font><font color="#007700">, </font><font color="#DD0000">"n/d/Y H:i:s"</font><font color="#007700">).</font><font color="#DD0000">"\n"</font><font color="#007700">;<br /><br /></font><font color="#0000BB">px_delete</font><font color="#007700">(</font><font color="#0000BB">$px</font><font color="#007700">);<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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><TR
><TD
><PRE
CLASS="screen"
>7/15/1917
7/15/1917 01:00:00</PRE
></TD
></TR
></TABLE
></DIV
></TD
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>
  </P
><P
>&#13;    The Julian day count as passed to <A
HREF="function.jdtogregorian.html"
><B
CLASS="function"
>jdtogregorian()</B
></A
>
    has a different base of 1.1.4714 b.c. and must therefore be calculated
    by adding 1721425 to the day count used in the paradox file. Turning the
    day count into a timestamp is easily done by multiplying with 86400000.0
    to obtain milli seconds.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN168367"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
><TABLE
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><TBODY
><TR
><TD
><A
HREF="function.px-date2string.html"
><B
CLASS="function"
>px_date2string()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.jdtogregorian.html"
><B
CLASS="function"
>jdtogregorian()</B
></A
></TD
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>
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