<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >mysqli_errno</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="mysqli_enable_rpl_parse" HREF="function.mysqli-enable-rpl-parse.html"><LINK REL="NEXT" TITLE="mysqli_error" HREF="function.mysqli-error.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="function.mysqli-enable-rpl-parse.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-error.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.mysqli-errno" ></A >mysqli_errno</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN133562" ></A ><P > (PHP 5)</P >mysqli_errno<P > (no version information, might be only in CVS)</P >mysqli->errno -- Retorna o código de erro para a chamada de função mais recente</DIV ><DIV CLASS="refsect1" ><A NAME="AEN133566" ></A ><H2 >Descrição</H2 ><P >Estilo de procedimento:</P >int <B CLASS="methodname" >mysqli_errno</B > ( object link )<BR ></BR ><P >Estilo orientado a objeto (propriedade):</P >class <B CLASS="classname" >mysqli</B > { <BR ></BR >int errno<BR ></BR >}<P > A função <B CLASS="function" >mysqli_errno()</B > irá retornar o ultimo código de erro para a função mais recente do MySQLi usada que possa ser bem sucedida ou falhar com respeito a conexão com o banco de dados definido pelo parâmetro <CODE CLASS="parameter" >link</CODE >. Se não houveram erros, esta função retorna zero. </P ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >Nota: </B > Números de erros das mensagens do cliente são listados no arquivo de cabeçalho do MySQL <TT CLASS="filename" >errmsg.h</TT >, números de erros das mensagens do servidor são listados em <TT CLASS="filename" >mysqld_error.h</TT >. Na distribuição da fonte do MySQL você pode encontrar uma lista completa das mensagens de erros no arquivo <TT CLASS="filename" >Docs/mysqld_error.txt</TT >. </P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN133590" ></A ><H2 >Valores de retorno</H2 ><P > Um código de erro para a ultima chamada, se tiver falhado. Zero indica que não houve erro. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN133593" ></A ><H2 >Veja também</H2 ><P > <A HREF="function.mysqli-connect-errno.html" ><B CLASS="function" >mysqli_connect_errno()</B ></A >, <A HREF="function.mysqli-connect-error.html" ><B CLASS="function" >mysqli_connect_error()</B ></A >, <A HREF="function.mysqli-error.html" ><B CLASS="function" >mysqli_error()</B ></A >, <A HREF="function.mysqli-sqlstate.html" ><B CLASS="function" >mysqli_sqlstate()</B ></A > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN133600" ></A ><H2 >Exemplo</H2 ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN133602" ></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"><?php<br />$mysqli </font><font color="#007700">= new </font><font color="#0000BB">mysqli</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */<br /></font><font color="#007700">if (</font><font color="#0000BB">mysqli_connect_errno</font><font color="#007700">()) {<br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_connect_error</font><font color="#007700">());<br /> exit();<br />}<br /><br />if (!</font><font color="#0000BB">$mysqli</font><font color="#007700">-></font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">"SET a=1"</font><font color="#007700">)) {<br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Errorcode: %d\n"</font><font color="#007700">, </font><font color="#0000BB">$mysqli</font><font color="#007700">-></font><font color="#0000BB">errno</font><font color="#007700">);<br />}<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">$mysqli</font><font color="#007700">-></font><font color="#0000BB">close</font><font color="#007700">();<br /></font><font color="#0000BB">?></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="AEN133605" ></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"><?php<br />$link </font><font color="#007700">= </font><font color="#0000BB">mysqli_connect</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */<br /></font><font color="#007700">if (</font><font color="#0000BB">mysqli_connect_errno</font><font color="#007700">()) {<br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_connect_error</font><font color="#007700">());<br /> exit();<br />}<br /><br />if (!</font><font color="#0000BB">mysqli_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"SET a=1"</font><font color="#007700">)) {<br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Errorcode: %d\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_errno</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">));<br />}<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">mysqli_close</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">);<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ><P > Os exemplos acima irão produzir a seguinte saída: </P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >Errorcode: 1193</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="function.mysqli-enable-rpl-parse.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-error.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >mysqli_enable_rpl_parse</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_error</TD ></TR ></TABLE ></DIV ></BODY ></HTML >