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

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

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>maxdb_field_count</H1
><DIV
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><A
NAME="AEN107183"
></A
><P
>    (PECL)</P
>maxdb_field_count<P
>    (no version information, might be only in CVS)</P
>maxdb-&#62;field_count&nbsp;--&nbsp;Returns the number of columns for the most recent query</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN107187"
></A
><H2
>Description</H2
><P
>Procedural style:</P
>int <B
CLASS="methodname"
>maxdb_field_count</B
> ( resource link )<BR
></BR
><P
>Object oriented style (method):</P
>class <B
CLASS="classname"
>maxdb</B
> { <BR
></BR
>int <B
CLASS="methodname"
>field_count</B
> ( void  )<BR
></BR
>}<P
>&#13;   Returns the number of columns for the most recent query on the connection
   represented by the <CODE
CLASS="parameter"
>link</CODE
> parameter. This function
   can be useful when using the <A
HREF="function.maxdb-store-result.html"
><B
CLASS="function"
>maxdb_store_result()</B
></A
>
   function to determine if the query should have produced a non-empty result
   set or not without knowing the nature of the query.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN107207"
></A
><H2
>Return values</H2
><P
>An integer representing the number of fields in a result set</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN107210"
></A
><H2
>Example</H2
><P
>&#13;   <TABLE
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><P
><B
>Exemplo 1. Object oriented style</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$maxdb </font><font color="#007700">= new </font><font color="#0000BB">maxdb</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"MONA"</font><font color="#007700">, </font><font color="#DD0000">"RED"</font><font color="#007700">, </font><font color="#DD0000">"DEMODB"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">maxdb_report </font><font color="#007700">(</font><font color="#0000BB">MAXDB_REPORT_OFF</font><font color="#007700">);<br /></font><font color="#0000BB">$maxdb</font><font color="#007700">-&gt;</font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">"DROP TABLE friends"</font><font color="#007700">);<br /></font><font color="#0000BB">maxdb_report </font><font color="#007700">(</font><font color="#0000BB">MAXDB_REPORT_ERROR</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$maxdb</font><font color="#007700">-&gt;</font><font color="#0000BB">query</font><font color="#007700">( </font><font color="#DD0000">"CREATE TABLE friends (id int, name varchar(20))"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$maxdb</font><font color="#007700">-&gt;</font><font color="#0000BB">query</font><font color="#007700">( </font><font color="#DD0000">"INSERT INTO friends VALUES (1,'Hartmut')"</font><font color="#007700">);<br /></font><font color="#0000BB">$maxdb</font><font color="#007700">-&gt;</font><font color="#0000BB">query</font><font color="#007700">( </font><font color="#DD0000">"INSERT INTO friends VALUES (2, 'Ulf')"</font><font color="#007700">);<br /><br />if (</font><font color="#0000BB">$maxdb</font><font color="#007700">-&gt;</font><font color="#0000BB">field_count</font><font color="#007700">()) {<br />&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* this was a select/show or describe query */<br />&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">$maxdb</font><font color="#007700">-&gt;</font><font color="#0000BB">store_result</font><font color="#007700">();<br /><br />&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* process resultset */<br />&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">$result</font><font color="#007700">-&gt;</font><font color="#0000BB">fetch_row</font><font color="#007700">();<br /><br />&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* free resultset */<br />&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$result</font><font color="#007700">-&gt;</font><font color="#0000BB">close</font><font color="#007700">();<br />}<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">$maxdb</font><font color="#007700">-&gt;</font><font color="#0000BB">close</font><font color="#007700">();<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
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CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN107216"
></A
><P
><B
>Exemplo 2. Procedural style</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$link </font><font color="#007700">= </font><font color="#0000BB">maxdb_connect</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"MONA"</font><font color="#007700">, </font><font color="#DD0000">"RED"</font><font color="#007700">, </font><font color="#DD0000">"DEMODB"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">maxdb_report </font><font color="#007700">(</font><font color="#0000BB">MAXDB_REPORT_OFF</font><font color="#007700">);<br /></font><font color="#0000BB">maxdb_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">,</font><font color="#DD0000">"DROP TABLE friends"</font><font color="#007700">);<br /></font><font color="#0000BB">maxdb_report </font><font color="#007700">(</font><font color="#0000BB">MAXDB_REPORT_ERROR</font><font color="#007700">);<br /><br /></font><font color="#0000BB">maxdb_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"CREATE TABLE friends (id int, name varchar(20))"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">maxdb_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"INSERT INTO friends VALUES (1,'Hartmut')"</font><font color="#007700">);<br /></font><font color="#0000BB">maxdb_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"INSERT INTO friends VALUES (2, 'Ulf')"</font><font color="#007700">);<br /><br />if (</font><font color="#0000BB">maxdb_field_count</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">)) {<br />&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* this was a select/show or describe query */<br />&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">maxdb_store_result</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">);<br /><br />&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* process resultset */<br />&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">maxdb_fetch_row</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">);<br /><br />&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* free resultset */<br />&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">maxdb_free_result</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">);<br />}<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">maxdb_close</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
  </P
><P
>&#13;   The above example produces no output.
  </P
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