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

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>fbsql_data_seek</H1
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><P
>    (PHP 4 &#62;= 4.0.6, PHP 5)</P
>fbsql_data_seek&nbsp;--&nbsp;Move internal result pointer</DIV
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CLASS="refsect1"
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NAME="AEN54453"
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><H2
>Descrição</H2
>bool <B
CLASS="methodname"
>fbsql_data_seek</B
> ( resource result, int row_number )<BR
></BR
><P
>&#13;   Moves the internal row pointer of the FrontBase result associated with the
   specified result identifier to point to the specified row number.
  </P
><P
>&#13;   The next call to <A
HREF="function.fbsql-fetch-row.html"
><B
CLASS="function"
>fbsql_fetch_row()</B
></A
> would return that 
   row.
  </P
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><H2
>Parâmetros</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>&#13; result</CODE
></DT
><DD
><P
>Um identificador de resultado
 retornado por <A
HREF="function.fbsql-query.html"
><B
CLASS="function"
>fbsql_query()</B
></A
> ou
 <A
HREF="function.fbsql-db-query.html"
><B
CLASS="function"
>fbsql_db_query()</B
></A
>.</P
></DD
><DT
><CODE
CLASS="parameter"
>row_number</CODE
></DT
><DD
><P
>&#13;       The row number. Starts at 0.
      </P
></DD
></DL
></DIV
>
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><H2
>Valores de retornado</H2
><P
>&#13;   Retorna <TT
CLASS="constant"
><B
>TRUE</B
></TT
> em caso de sucesso ou <TT
CLASS="constant"
><B
>FALSE</B
></TT
> em falhas.
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><B
>Exemplo 1. <B
CLASS="function"
>fbsql_data_seek()</B
> example</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$link </font><font color="#007700">= </font><font color="#0000BB">fbsql_pconnect</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"_SYSTEM"</font><font color="#007700">, </font><font color="#DD0000">"secret"</font><font color="#007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;or die(</font><font color="#DD0000">"Could not connect"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">fbsql_select_db</font><font color="#007700">(</font><font color="#DD0000">"samp_db"</font><font color="#007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;or die(</font><font color="#DD0000">"Could not select database"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$query </font><font color="#007700">= </font><font color="#DD0000">"SELECT last_name, first_name FROM friends;"</font><font color="#007700">;<br /></font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">fbsql_query</font><font color="#007700">(</font><font color="#0000BB">$query</font><font color="#007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;or die(</font><font color="#DD0000">"Query failed"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// fetch rows in reverse order<br /><br /></font><font color="#007700">for (</font><font color="#0000BB">$i </font><font color="#007700">= </font><font color="#0000BB">fbsql_num_rows</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">) - </font><font color="#0000BB">1</font><font color="#007700">; </font><font color="#0000BB">$i </font><font color="#007700">&gt;=</font><font color="#0000BB">0</font><font color="#007700">; </font><font color="#0000BB">$i</font><font color="#007700">--) {<br />&nbsp;&nbsp;&nbsp;&nbsp;if (!</font><font color="#0000BB">fbsql_data_seek</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">, </font><font color="#0000BB">$i</font><font color="#007700">)) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Cannot seek to row %d\n"</font><font color="#007700">, </font><font color="#0000BB">$i</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;continue;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;if (!(</font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">fbsql_fetch_object</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">)))<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;continue;<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#0000BB">$row</font><font color="#007700">-&gt;</font><font color="#0000BB">last_name </font><font color="#007700">. </font><font color="#0000BB">$row</font><font color="#007700">-&gt;</font><font color="#0000BB">first_name </font><font color="#007700">. </font><font color="#DD0000">"&lt;br /&gt;\n"</font><font color="#007700">;<br />}<br /><br /></font><font color="#0000BB">fbsql_free_result</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
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