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

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

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>dbase_replace_record</H1
><DIV
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><A
NAME="AEN34391"
></A
><P
>    (PHP 3 &#62;= 3.0.11, PHP 4, PHP 5)</P
>dbase_replace_record&nbsp;--&nbsp;Replaces a record in a database</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN34394"
></A
><H2
>说明</H2
>bool <B
CLASS="methodname"
>dbase_replace_record</B
> ( int dbase_identifier, array record, int record_number )<BR
></BR
><P
>&#13;   Replaces the given record in the database with the given data.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN34409"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>dbase_identifier</CODE
></DT
><DD
><P
>&#13;       The database link identifier, returned by <A
HREF="function.dbase-open.html"
><B
CLASS="function"
>dbase_open()</B
></A
>
       or <A
HREF="function.dbase-create.html"
><B
CLASS="function"
>dbase_create()</B
></A
>.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>record</CODE
></DT
><DD
><P
>&#13;       An indexed array of data. The number of items must be equal to the number of 
       fields in the database, otherwise <A
HREF="function.dbase-add-record.html"
><B
CLASS="function"
>dbase_add_record()</B
></A
>
       will fail.
      </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
        If you're using <A
HREF="function.dbase-get-record.html"
><B
CLASS="function"
>dbase_get_record()</B
></A
> return value for this
        parameter, remember to reset the key named <TT
CLASS="literal"
>deleted</TT
>.
       </P
></BLOCKQUOTE
></DIV
></DD
><DT
><CODE
CLASS="parameter"
>record_number</CODE
></DT
><DD
><P
>&#13;       An integer which spans from 1 to the number of records in the database
       (as returned by <A
HREF="function.dbase-numrecords.html"
><B
CLASS="function"
>dbase_numrecords()</B
></A
>).
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN34436"
></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="AEN34441"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
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CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN34444"
></A
><P
><B
>例 1. Updating a record in the database</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br /></font><font color="#FF8000">// open in read-write mode<br /></font><font color="#0000BB">$db </font><font color="#007700">= </font><font color="#0000BB">dbase_open</font><font color="#007700">(</font><font color="#DD0000">'/tmp/test.dbf'</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">);<br /><br />if (</font><font color="#0000BB">$db</font><font color="#007700">) {<br />&nbsp;&nbsp;</font><font color="#FF8000">// gets the old row<br />&nbsp;&nbsp;</font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">dbase_get_record_with_names</font><font color="#007700">(</font><font color="#0000BB">$db</font><font color="#007700">, </font><font color="#0000BB">1</font><font color="#007700">);<br />&nbsp;&nbsp;<br />&nbsp;&nbsp;</font><font color="#FF8000">// remove the 'deleted' entry<br />&nbsp;&nbsp;</font><font color="#007700">unset(</font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#DD0000">'deleted'</font><font color="#007700">]);<br />&nbsp;&nbsp;<br />&nbsp;&nbsp;</font><font color="#FF8000">// Update the date field with the current timestamp<br />&nbsp;&nbsp;</font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#DD0000">'date'</font><font color="#007700">] = </font><font color="#0000BB">date</font><font color="#007700">(</font><font color="#DD0000">'Ymd'</font><font color="#007700">);<br />&nbsp;&nbsp;<br />&nbsp;&nbsp;</font><font color="#FF8000">// Replace the record<br />&nbsp;&nbsp;</font><font color="#0000BB">dbase_replace_record</font><font color="#007700">(</font><font color="#0000BB">$db</font><font color="#007700">, </font><font color="#0000BB">$row</font><font color="#007700">, </font><font color="#0000BB">1</font><font color="#007700">);<br />&nbsp;&nbsp;</font><font color="#0000BB">dbase_close</font><font color="#007700">(</font><font color="#0000BB">$db</font><font color="#007700">);<br />}<br /><br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN34447"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><A
HREF="function.dbase-add-record.html"
><B
CLASS="function"
>dbase_add_record()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.dbase-delete-record.html"
><B
CLASS="function"
>dbase_delete_record()</B
></A
></TD
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