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

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

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>mysqli_affected_rows</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
REL="HOME"
TITLE="Manual do PHP"
HREF="index.html"><LINK
REL="UP"
TITLE="MySQL Melhorada"
HREF="ref.mysqli.html"><LINK
REL="PREVIOUS"
TITLE="MySQL Melhorada"
HREF="ref.mysqli.html"><LINK
REL="NEXT"
TITLE="mysqli_autocommit"
HREF="function.mysqli-autocommit.html"><META
HTTP-EQUIV="Content-type"
CONTENT="text/html; charset=UTF-8"></HEAD
><BODY
CLASS="refentry"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>Manual do PHP</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="ref.mysqli.html"
ACCESSKEY="P"
>Anterior</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="function.mysqli-autocommit.html"
ACCESSKEY="N"
>Próxima</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="function.mysqli-affected-rows"
></A
>mysqli_affected_rows</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN132851"
></A
><P
>    (PHP 5)</P
>mysqli_affected_rows<P
>    (no version information, might be only in CVS)</P
>mysqli-&#62;affected_rows&nbsp;--&nbsp;Retorna o número de linhas afetadas pela operação MySQL anterior</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN132855"
></A
><H2
>Descrição</H2
><P
>Estilo de procedimento:</P
>mixed <B
CLASS="methodname"
>mysqli_affected_rows</B
> ( object link )<BR
></BR
><P
>Estilo orientado a objetos (propriedades):</P
>class <B
CLASS="classname"
>mysqli</B
> { <BR
></BR
>mixed affected_rows<BR
></BR
>}<P
>&#13;   <B
CLASS="function"
>mysqli_affected_rows()</B
> retorna o número de linhas afetadas pela ultima
   consulta INSERT, UPDATE, ou DELETE associada ao parâmetro <CODE
CLASS="parameter"
>link</CODE
>
   indicado. Se a ultima consulta foi invalida, esta função irá retornar -1.
  </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Nota: </B
>
    Para comandos SELECT <B
CLASS="function"
>mysqli_affected_rows()</B
> funciona como
    <A
HREF="function.mysqli-num-rows.html"
><B
CLASS="function"
>mysqli_num_rows()</B
></A
>.
   </P
></BLOCKQUOTE
></DIV
><P
>&#13;   A função <B
CLASS="function"
>mysqli_affected_rows()</B
> funciona apenas com consultas que modificam
   a tabela. Para poder retornar o número de linhas numa consulta SELECT, use a função
   <A
HREF="function.mysqli-num-rows.html"
><B
CLASS="function"
>mysqli_num_rows()</B
></A
>.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN132881"
></A
><H2
>Valores de Retorno</H2
><P
>&#13;   Um inteiro maior do que zero indica o número de linhas afetadas ou obtidas.
   Zero indica que nenhum registro foi atualizado por um UPDATE, não foram encontradas
   linhas em uma claúsula WHERE na consulta ou que a consulta ainda não foi executada.
   -1 indica que a consulta retornou com erro.
  </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Nota: </B
>
    Se o número de linhas afetadas for maior do que o maior valor inteiro possível, o número de linhas afetadas
    será retornado como uma string.
   </P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN132886"
></A
><H2
>Veja também</H2
><P
>&#13;   <A
HREF="function.mysqli-num-rows.html"
><B
CLASS="function"
>mysqli_num_rows()</B
></A
>,
   <A
HREF="function.mysqli-info.html"
><B
CLASS="function"
>mysqli_info()</B
></A
>.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN132891"
></A
><H2
>Examplo</H2
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN132893"
></A
><P
><B
>Exemplo 1. Estilo orientado a objeto</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$mysqli </font><font color="#007700">= new </font><font color="#0000BB">mysqli</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */<br /></font><font color="#007700">if (</font><font color="#0000BB">mysqli_connect_errno</font><font color="#007700">()) {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_connect_error</font><font color="#007700">());<br />&nbsp;&nbsp;&nbsp;&nbsp;exit();<br />}<br /><br /></font><font color="#FF8000">/* Insert rows */<br /></font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">"CREATE TABLE Language SELECT * from CountryLanguage"</font><font color="#007700">);<br /></font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Affected rows (INSERT): %d\n"</font><font color="#007700">, </font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">affected_rows</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">"ALTER TABLE Language ADD Status int default 0"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* update rows */<br /></font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">"UPDATE Language SET Status=1 WHERE Percentage &gt; 50"</font><font color="#007700">);<br /></font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Affected rows (UPDATE): %d\n"</font><font color="#007700">, </font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">affected_rows</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* delete rows */<br /></font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">"DELETE FROM Language WHERE Percentage &lt; 50"</font><font color="#007700">);<br /></font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Affected rows (DELETE): %d\n"</font><font color="#007700">, </font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">affected_rows</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* select all rows */<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="#DD0000">"SELECT CountryCode FROM Language"</font><font color="#007700">);<br /></font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Affected rows (SELECT): %d\n"</font><font color="#007700">, </font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">affected_rows</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$result</font><font color="#007700">-&gt;</font><font color="#0000BB">close</font><font color="#007700">();<br /><br /></font><font color="#FF8000">/* Delete table Language */<br /></font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">"DROP TABLE Language"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">$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
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN132896"
></A
><P
><B
>Exemplo 2. Estilo de procedimento</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$link </font><font color="#007700">= </font><font color="#0000BB">mysqli_connect</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br />if (!</font><font color="#0000BB">$link</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Can't connect to localhost. Error: %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="#FF8000">/* Insert rows */<br /></font><font color="#0000BB">mysqli_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"CREATE TABLE Language SELECT * from CountryLanguage"</font><font color="#007700">);<br /></font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Affected rows (INSERT): %d\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_affected_rows</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">));<br /><br /></font><font color="#0000BB">mysqli_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"ALTER TABLE Language ADD Status int default 0"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* update rows */<br /></font><font color="#0000BB">mysqli_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"UPDATE Language SET Status=1 WHERE Percentage &gt; 50"</font><font color="#007700">);<br /></font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Affected rows (UPDATE): %d\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_affected_rows</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">));<br /><br /></font><font color="#FF8000">/* delete rows */<br /></font><font color="#0000BB">mysqli_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"DELETE FROM Language WHERE Percentage &lt; 50"</font><font color="#007700">);<br /></font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Affected rows (DELETE): %d\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_affected_rows</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">));<br /><br /></font><font color="#FF8000">/* select all rows */<br /></font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">mysqli_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"SELECT CountryCode FROM Language"</font><font color="#007700">);<br /></font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Affected rows (SELECT): %d\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_affected_rows</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">));<br /><br /></font><font color="#0000BB">mysqli_free_result</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* Delete table Language */<br /></font><font color="#0000BB">mysqli_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"DROP TABLE Language"</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 irão produzir a seguinte saída:
  </P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="screen"
>Affected rows (INSERT): 984
Affected rows (UPDATE): 168
Affected rows (DELETE): 815
Affected rows (SELECT): 169</PRE
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="ref.mysqli.html"
ACCESSKEY="P"
>Anterior</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="index.html"
ACCESSKEY="H"
>Principal</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="function.mysqli-autocommit.html"
ACCESSKEY="N"
>Próxima</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>MySQL Melhorada</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="ref.mysqli.html"
ACCESSKEY="U"
>Acima</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>mysqli_autocommit</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>