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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>mysqli_fetch_array</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN133682"
></A
><P
>    (PHP 5)</P
>mysqli_fetch_array<P
>    (no version information, might be only in CVS)</P
>result-&#62;fetch_array&nbsp;--&nbsp;Obtem uma linha do resultado como uma matriz associativa, numérica, ou ambas</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN133686"
></A
><H2
>Descrição</H2
><P
>Estilo de procedimento:</P
>mixed <B
CLASS="methodname"
>mysqli_fetch_array</B
> ( object result [, int resulttype] )<BR
></BR
><P
>Estilo orientado a objetos (metodo):</P
>class <B
CLASS="classname"
>result</B
> { <BR
></BR
>mixed <B
CLASS="methodname"
>fetch_array</B
> ( [int resulttype] )<BR
></BR
>}<P
>&#13;     Retorna uma matriz que corresponde a linha obtida ou <TT
CLASS="constant"
><B
>NULL</B
></TT
> se não houverem mais linhas
     para o conjunto deresultados representado pelo parâmetro <CODE
CLASS="parameter"
>result</CODE
>. 
    </P
><P
>&#13;     <B
CLASS="function"
>mysqli_fetch_array()</B
> é uma versão extendida da função
     <A
HREF="function.mysqli-fetch-row.html"
><B
CLASS="function"
>mysqli_fetch_row()</B
></A
>. Alem de guardar os dados em índices
     numéricos na matriz do resultado, a função <B
CLASS="function"
>mysqli_fetch_array()</B
> pode
     também guardar os dados em índices associativos, usando os nomes dos campos do conjunto de resultado como chave.
    </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Nota: </B
>Nomes de campos nesta função
 <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>diferenciam maiúsculas e minusculas</I
></SPAN
>.</P
></BLOCKQUOTE
></DIV
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Nota: </B
>Esta função assimila campos NULL para o
 o <TT
CLASS="constant"
><B
>NULL</B
></TT
> do PHP.</P
></BLOCKQUOTE
></DIV
><P
>&#13;     Se duas ou mais colunas do resultado tiverem o mesmo nome do campo, a ultima coluna terá
     precedencia e irá sobrescrever os dados anteriores. Para poder acessar múltiplas colunas com o mesmo
     nome, deve ser usada a versão com os índices numéricos.
    </P
><P
>&#13;     O segundo arqumento, que é opcional, <CODE
CLASS="parameter"
>resulttype</CODE
> é uma constante indicando qual tipo
     de matriz deve ser produzido da linha atual do resultado. Os valores possíveis para este parâmetro
     são as constantes MYSQLI_ASSOC, MYSQLI_NUM, ou MYSQLI_BOTH. Pos padrão, a função     <B
CLASS="function"
>mysqli_fetch_array()</B
> irá assumir MYSQLI_BOTH para este parâmetro.
    </P
><P
>&#13;     Usando a constante MYSQLI_ASSOC esta função irá funcionar de modo identico a 
     <A
HREF="function.mysqli-fetch-assoc.html"
><B
CLASS="function"
>mysqli_fetch_assoc()</B
></A
>, enquando MYSQLI_NUM irá funcionar de modo identico a função
     <A
HREF="function.mysqli-fetch-row.html"
><B
CLASS="function"
>mysqli_fetch_row()</B
></A
>. A opção final MYSQLI_BOTH irá criar uma única 
     matriz com os atributos de ambas.
    </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN133728"
></A
><H2
>Valores de retorno</H2
><P
>&#13;     Retorna uma matriz que corresponde a linha obtida ou <TT
CLASS="constant"
><B
>NULL</B
></TT
> se não houverem mais linhas
     no conjunto de resultados.
    </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN133732"
></A
><H2
>Veja também</H2
><P
>&#13;     <A
HREF="function.mysqli-fetch-assoc.html"
><B
CLASS="function"
>mysqli_fetch_assoc()</B
></A
>,
     <A
HREF="function.mysqli-fetch-row.html"
><B
CLASS="function"
>mysqli_fetch_row()</B
></A
>,
     <A
HREF="function.mysqli-fetch-object.html"
><B
CLASS="function"
>mysqli_fetch_object()</B
></A
>.
    </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN133738"
></A
><H2
>Exemplo</H2
><TABLE
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CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN133740"
></A
><P
><B
>Exemplo 1. Estilo orientado a objeto</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$mysqli </font><font color="#007700">= new </font><font color="#0000BB">mysqli</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */<br /></font><font color="#007700">if (</font><font color="#0000BB">mysqli_connect_errno</font><font color="#007700">()) {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_connect_error</font><font color="#007700">());<br />&nbsp;&nbsp;&nbsp;&nbsp;exit();<br />}<br /> <br /></font><font color="#0000BB">$query </font><font color="#007700">= </font><font color="#DD0000">"SELECT Name, CountryCode FROM City ORDER by ID LIMIT 3"</font><font color="#007700">;<br /></font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#0000BB">$query</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* numeric array */<br /></font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">$result</font><font color="#007700">-&gt;</font><font color="#0000BB">fetch_array</font><font color="#007700">(</font><font color="#0000BB">MYSQLI_NUM</font><font color="#007700">);<br /></font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"%s (%s)\n"</font><font color="#007700">, </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">0</font><font color="#007700">], </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">1</font><font color="#007700">]);&nbsp;&nbsp;<br /><br /></font><font color="#FF8000">/* associative array */<br /></font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">$result</font><font color="#007700">-&gt;</font><font color="#0000BB">fetch_array</font><font color="#007700">(</font><font color="#0000BB">MYSQLI_ASSOC</font><font color="#007700">);<br /></font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"%s (%s)\n"</font><font color="#007700">, </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#DD0000">"Name"</font><font color="#007700">], </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#DD0000">"CountryCode"</font><font color="#007700">]);&nbsp;&nbsp;<br /><br /></font><font color="#FF8000">/* associative and numeric array */<br /></font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">$result</font><font color="#007700">-&gt;</font><font color="#0000BB">fetch_array</font><font color="#007700">(</font><font color="#0000BB">MYSQLI_BOTH</font><font color="#007700">);<br /></font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"%s (%s)\n"</font><font color="#007700">, </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">0</font><font color="#007700">], </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#DD0000">"CountryCode"</font><font color="#007700">]);&nbsp;&nbsp;<br /><br /></font><font color="#FF8000">/* free result set */<br /></font><font color="#0000BB">$result</font><font color="#007700">-&gt;</font><font color="#0000BB">close</font><font color="#007700">();<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">close</font><font color="#007700">();<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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CLASS="EXAMPLE"
><TR
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><DIV
CLASS="example"
><A
NAME="AEN133743"
></A
><P
><B
>Exemplo 2. Estilo de procedimento</B
></P
><TABLE
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><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$link </font><font color="#007700">= </font><font color="#0000BB">mysqli_connect</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */<br /></font><font color="#007700">if (</font><font color="#0000BB">mysqli_connect_errno</font><font color="#007700">()) {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_connect_error</font><font color="#007700">());<br />&nbsp;&nbsp;&nbsp;&nbsp;exit();<br />}<br /><br /></font><font color="#0000BB">$query </font><font color="#007700">= </font><font color="#DD0000">"SELECT Name, CountryCode FROM City ORDER by ID LIMIT 3"</font><font color="#007700">;<br /></font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">mysqli_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#0000BB">$query</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* numeric array */<br /></font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">mysqli_fetch_array</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">, </font><font color="#0000BB">MYSQLI_NUM</font><font color="#007700">);<br /></font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"%s (%s)\n"</font><font color="#007700">, </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">0</font><font color="#007700">], </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">1</font><font color="#007700">]);&nbsp;&nbsp;<br /><br /></font><font color="#FF8000">/* associative array */<br /></font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">mysqli_fetch_array</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">, </font><font color="#0000BB">MYSQLI_ASSOC</font><font color="#007700">);<br /></font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"%s (%s)\n"</font><font color="#007700">, </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#DD0000">"Name"</font><font color="#007700">], </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#DD0000">"CountryCode"</font><font color="#007700">]);&nbsp;&nbsp;<br /><br /></font><font color="#FF8000">/* associative and numeric array */<br /></font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">mysqli_fetch_array</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">, </font><font color="#0000BB">MYSQLI_BOTH</font><font color="#007700">);<br /></font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"%s (%s)\n"</font><font color="#007700">, </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">0</font><font color="#007700">], </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#DD0000">"CountryCode"</font><font color="#007700">]);&nbsp;&nbsp;<br /><br /></font><font color="#FF8000">/* free result set */<br /></font><font color="#0000BB">mysqli_free_result</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">mysqli_close</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
><P
>&#13;     Os exemplos acima devem produzir a seguinte saída:
    </P
><TABLE
BORDER="0"
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><TR
><TD
><PRE
CLASS="screen"
>Kabul (AFG)
Qandahar (AFG)
Herat (AFG)</PRE
></TD
></TR
></TABLE
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><TR
><TD
WIDTH="33%"
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><A
HREF="function.mysqli-execute.html"
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>Anterior</A
></TD
><TD
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VALIGN="top"
><A
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>Principal</A
></TD
><TD
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><A
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ACCESSKEY="N"
>Próxima</A
></TD
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><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>mysqli_execute</TD
><TD
WIDTH="34%"
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VALIGN="top"
><A
HREF="ref.mysqli.html"
ACCESSKEY="U"
>Acima</A
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VALIGN="top"
>mysqli_fetch_assoc</TD
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