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_get_header_info</H1
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><A
NAME="AEN34033"
></A
><P
>    (PHP 5)</P
>dbase_get_header_info&nbsp;--&nbsp;Gets the header info of a database</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN34036"
></A
><H2
>说明</H2
>array <B
CLASS="methodname"
>dbase_get_header_info</B
> ( int dbase_identifier )<BR
></BR
><P
>&#13;   Returns information on the column structure of the given database link
   identifier.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN34045"
></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
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN34056"
></A
><H2
>返回值</H2
><P
>&#13;   An indexed array with an entry for each column in the database. The array index
   starts at 0.
  </P
><P
>&#13;   Each array element contains an associative array of column information, as
   described here:
   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
>name</DT
><DD
><P
>&#13;       The name of the column
      </P
></DD
><DT
>type</DT
><DD
><P
>&#13;       The human-readable name for the dbase type of the column (i.e. date,
       boolean, etc.)
      </P
></DD
><DT
>length</DT
><DD
><P
>&#13;       The number of bytes this column can hold
      </P
></DD
><DT
>precision</DT
><DD
><P
>&#13;       The number of digits of decimal precision for the column
      </P
></DD
><DT
>format</DT
><DD
><P
>&#13;       A suggested <A
HREF="function.printf.html"
><B
CLASS="function"
>printf()</B
></A
> format specifier for the column
      </P
></DD
><DT
>offset</DT
><DD
><P
>&#13;       The byte offset of the column from the start of the row
      </P
></DD
></DL
></DIV
>
  </P
><P
>&#13;   If the database header information cannot be read, <TT
CLASS="constant"
><B
>FALSE</B
></TT
> is returned.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN34088"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
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><TR
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><DIV
CLASS="example"
><A
NAME="AEN34091"
></A
><P
><B
>例 1. Showing header information for a dBase database file</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#FF8000">// Path to dbase file<br /></font><font color="#0000BB">$db_path </font><font color="#007700">= </font><font color="#DD0000">"/tmp/test.dbf"</font><font color="#007700">;<br /><br /></font><font color="#FF8000">// Open dbase file<br /></font><font color="#0000BB">$dbh </font><font color="#007700">= </font><font color="#0000BB">dbase_open</font><font color="#007700">(</font><font color="#0000BB">$db_path</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">)<br />&nbsp;&nbsp;or die(</font><font color="#DD0000">"Error! Could not open dbase database file '$db_path'."</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Get column information<br /></font><font color="#0000BB">$column_info </font><font color="#007700">= </font><font color="#0000BB">dbase_get_header_info</font><font color="#007700">(</font><font color="#0000BB">$dbh</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Display information<br /></font><font color="#0000BB">print_r</font><font color="#007700">(</font><font color="#0000BB">$column_info</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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