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_fetch_lengths</H1
><DIV
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><A
NAME="AEN130331"
></A
><P
>    (PHP 3, PHP 4, PHP 5)</P
>mysql_fetch_lengths&nbsp;--&nbsp;Obtém o tamanho de cada saída no resultado </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN130334"
></A
><H2
>Descrição</H2
>array <B
CLASS="methodname"
>mysql_fetch_lengths</B
> ( resource result )<BR
></BR
><P
>&#13;   Retorna uma matriz que corresponde aos tamanhos de cada campo
   na ultima linha obtida pelo MySQL.
  </P
><P
>&#13;   <B
CLASS="function"
>mysql_fetch_lengths()</B
> guarda o tamanho de 
   cada coluna do resultado na ultima linha retornada por
   <A
HREF="function.mysql-fetch-row.html"
><B
CLASS="function"
>mysql_fetch_row()</B
></A
>,
   <A
HREF="function.mysql-fetch-assoc.html"
><B
CLASS="function"
>mysql_fetch_assoc()</B
></A
>,
   <A
HREF="function.mysql-fetch-array.html"
><B
CLASS="function"
>mysql_fetch_array()</B
></A
>, e
   <A
HREF="function.mysql-fetch-object.html"
><B
CLASS="function"
>mysql_fetch_object()</B
></A
> em uma matriz, começando
   no índice 0.
  </P
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><DIV
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></A
><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
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>
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CLASS="refsect1"
><A
NAME="AEN130360"
></A
><H2
>Valores de retornado</H2
><P
>&#13;   Um <A
HREF="language.types.array.html"
><B
CLASS="type"
>array</B
></A
> de tamanhos em caso de sucesso, ou <TT
CLASS="constant"
><B
>FALSE</B
></TT
> em caso de falha.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN130365"
></A
><H2
>Exemplos</H2
><P
>&#13;   <TABLE
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><TR
><TD
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><A
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></A
><P
><B
>Exemplo 1. Um exemplo <B
CLASS="function"
>mysql_fetch_lengths()</B
></B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$result </font><font color="#007700">= </font><font color="#0000BB">mysql_query</font><font color="#007700">(</font><font color="#DD0000">"SELECT id,email FROM people WHERE id = '42'"</font><font color="#007700">);<br />if (!</font><font color="#0000BB">$result</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">'Não foi possível executar a consulta: ' </font><font color="#007700">. </font><font color="#0000BB">mysql_error</font><font color="#007700">();<br />&nbsp;&nbsp;&nbsp;&nbsp;exit;<br />}<br /></font><font color="#0000BB">$row&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#007700">= </font><font color="#0000BB">mysql_fetch_assoc</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">);<br /></font><font color="#0000BB">$lengths </font><font color="#007700">= </font><font color="#0000BB">mysql_fetch_lengths</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">);<br /><br /></font><font color="#0000BB">print_r</font><font color="#007700">(</font><font color="#0000BB">$row</font><font color="#007700">);<br /></font><font color="#0000BB">print_r</font><font color="#007700">(</font><font color="#0000BB">$lengths</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
><P
>O exemplo acima irá imprimir
 algo similar a:</P
><TABLE
BORDER="0"
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><TR
><TD
><PRE
CLASS="screen"
>Array
(
    [id] =&#62; 42
    [email] =&#62; user@example.com
)
Array
(
    [0] =&#62; 2
    [1] =&#62; 16
)</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
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>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN130374"
></A
><H2
>Veja também</H2
><P
>&#13;   <P
></P
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><A
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><B
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>mysql_field_len()</B
></A
></TD
></TR
><TR
><TD
><A
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><B
CLASS="function"
>mysql_fetch_row()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.strlen.html"
><B
CLASS="function"
>strlen()</B
></A
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