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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>mysql_num_rows</H1
><DIV
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><A
NAME="AEN131542"
></A
><P
>    (PHP 3, PHP 4, PHP 5)</P
>mysql_num_rows&nbsp;--&nbsp;Obtém o número de linhas em um resultado</DIV
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><H2
>Descrição</H2
>int <B
CLASS="methodname"
>mysql_num_rows</B
> ( resource result )<BR
></BR
><P
>&#13;   Obtém o numero de linhas de um conjunto de resultados. Este comando é valido apenas
   para comandos como SELECT ou SHOW que atualmente retornam um conjunto de resultados.
   Para obter o numero de linhas afetadas por uma consulta INSERT, UPDATE, REPLACE ou 
   DELETE, use <A
HREF="function.mysql-affected-rows.html"
><B
CLASS="function"
>mysql_affected_rows()</B
></A
>.
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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
>O resulatado <A
HREF="language.types.resource.html"
><B
CLASS="type"
>resource</B
></A
> que
 esta sendo avaliado. Este resultado vem de uma chamada a
 <A
HREF="function.mysql-query.html"
><B
CLASS="function"
>mysql_query()</B
></A
>.</P
></DD
></DL
></DIV
>
  </P
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><DIV
CLASS="refsect1"
><A
NAME="AEN131566"
></A
><H2
>Valores de retornado</H2
><P
>&#13;   O numero de linhas em um conjunto de resultados em caso de sucesso, ou <TT
CLASS="constant"
><B
>FALSE</B
></TT
> em caso de falha.
  </P
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><H2
>Exemplos</H2
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><B
>Exemplo 1. Exemplo <B
CLASS="function"
>mysql_num_rows()</B
></B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br />$link </font><font color="#007700">= </font><font color="#0000BB">mysql_connect</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"mysql_user"</font><font color="#007700">, </font><font color="#DD0000">"mysql_password"</font><font color="#007700">);<br /></font><font color="#0000BB">mysql_select_db</font><font color="#007700">(</font><font color="#DD0000">"database"</font><font color="#007700">, </font><font color="#0000BB">$link</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">mysql_query</font><font color="#007700">(</font><font color="#DD0000">"SELECT * FROM table1"</font><font color="#007700">, </font><font color="#0000BB">$link</font><font color="#007700">);<br /></font><font color="#0000BB">$num_rows </font><font color="#007700">= </font><font color="#0000BB">mysql_num_rows</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">);<br /><br />echo </font><font color="#DD0000">"$num_rows Rows</font><font color="#007700">\n</font><font color="#DD0000">"</font><font color="#007700">;<br /><br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
  </P
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><DIV
CLASS="refsect1"
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NAME="AEN131577"
></A
><H2
>Notas</H2
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Nota: </B
>
    Se você usar <A
HREF="function.mysql-unbuffered-query.html"
><B
CLASS="function"
>mysql_unbuffered_query()</B
></A
>, 
    <B
CLASS="function"
>mysql_num_rows()</B
> não irá retornar o valor
    correto até que todas as linhas no conjunto de resultado
    tenham sido obtidas.
   </P
></BLOCKQUOTE
></DIV
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Nota: </B
>
    Para compatibilidade com versões anteriores, o seguinte
 apelido obsoleto pode ser usado: 
    <B
CLASS="function"
>mysql_numrows()</B
>
   </P
></BLOCKQUOTE
></DIV
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><A
NAME="AEN131586"
></A
><H2
>Veja também</H2
><P
>&#13;   <P
></P
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><A
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><B
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>mysql_affected_rows()</B
></A
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><B
CLASS="function"
>mysql_connect()</B
></A
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><B
CLASS="function"
>mysql_data_seek()</B
></A
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><B
CLASS="function"
>mysql_select_db()</B
></A
></TD
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><A
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><B
CLASS="function"
>mysql_query()</B
></A
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