<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >ocinlogon</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="Funções do Oracle 8" HREF="ref.oci8.html"><LINK REL="PREVIOUS" TITLE="ocinewdescriptor" HREF="function.ocinewdescriptor.html"><LINK REL="NEXT" TITLE="ocinumcols" HREF="function.ocinumcols.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.ocinewdescriptor.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.ocinumcols.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.ocinlogon" ></A >ocinlogon</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN155242" ></A ><P > (PHP 3 >= 3.0.8, PHP 4, PHP 5)</P >ocinlogon -- Estabiliza uma nova conexão com o Oracle</DIV ><DIV CLASS="refsect1" ><A NAME="AEN155245" ></A ><H2 >Descrição</H2 >resource <B CLASS="methodname" >ocinlogon</B > ( string username, string password [, string db] )<BR ></BR ><P > <B CLASS="function" >ocinlogon()</B > cria uma nova conexão com um Banco de Dados Oracle 8 e loga isso. O terceiro parâmetro opcional pode conter cada nome de um instância Oracle local ou o nome colocado no arquivo tnsnames.ora para o qual você queira conectar. Se o terceiro parâmetro não for especificado, PHP usará a variável de ambiente ORACLE_SID (instância Oracle) ou TWO_TASK (tnsnames.ora) para determinar em qual database irá conectar. </P ><P > <B CLASS="function" >ocinlogon()</B > força uma nova conexão. Isso deve ser usado se você precisar isolar algumas transações. Por padrão, conexões são compartilhadas por página se usando <A HREF="function.ocilogon.html" ><B CLASS="function" >ocilogon()</B ></A > ou em um processo do servidor web Se usando <A HREF="function.ociplogon.html" ><B CLASS="function" >ociplogon()</B ></A >. Se você tem múltiplas conexões abertas usando <B CLASS="function" >ocinlogon()</B >, todos os commits e rollbacks serão aplicados especificamente para uma conexão somente. </P ><P > Este exemplo demonstra como fazer conexões separadamente. <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN155267" ></A ><P ><B >Exemplo 1. <B CLASS="function" >ocinlogon()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /></font><font color="#007700">print </font><font color="#DD0000">"<HTML><PRE>"</font><font color="#007700">;<br /></font><font color="#0000BB">$db </font><font color="#007700">= </font><font color="#DD0000">""</font><font color="#007700">;<br /><br /></font><font color="#0000BB">$c1 </font><font color="#007700">= </font><font color="#0000BB">ocilogon</font><font color="#007700">(</font><font color="#DD0000">"scott"</font><font color="#007700">,</font><font color="#DD0000">"tiger"</font><font color="#007700">,</font><font color="#0000BB">$db</font><font color="#007700">);<br /></font><font color="#0000BB">$c2 </font><font color="#007700">= </font><font color="#0000BB">ocinlogon</font><font color="#007700">(</font><font color="#DD0000">"scott"</font><font color="#007700">,</font><font color="#DD0000">"tiger"</font><font color="#007700">,</font><font color="#0000BB">$db</font><font color="#007700">);<br /><br />function </font><font color="#0000BB">create_table</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">)<br />{ </font><font color="#0000BB">$stmt </font><font color="#007700">= </font><font color="#0000BB">ociparse</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">,</font><font color="#DD0000">"create table scott.hallo (test<br />varchar2(64))"</font><font color="#007700">);<br /> </font><font color="#0000BB">ociexecute</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">);<br /> echo </font><font color="#0000BB">$conn</font><font color="#007700">.</font><font color="#DD0000">" created table\n\n"</font><font color="#007700">;<br />}<br /><br />function </font><font color="#0000BB">drop_table</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">)<br />{ </font><font color="#0000BB">$stmt </font><font color="#007700">= </font><font color="#0000BB">ociparse</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">,</font><font color="#DD0000">"drop table scott.hallo"</font><font color="#007700">);<br /> </font><font color="#0000BB">ociexecute</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">);<br /> echo </font><font color="#0000BB">$conn</font><font color="#007700">.</font><font color="#DD0000">" dropped table\n\n"</font><font color="#007700">;<br />}<br /><br />function </font><font color="#0000BB">insert_data</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">)<br />{ </font><font color="#0000BB">$stmt </font><font color="#007700">= </font><font color="#0000BB">ociparse</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">,</font><font color="#DD0000">"insert into scott.hallo <br /> values('$conn' || ' ' || to_char(sysdate,'DD-MON-YY HH24:MI:SS'))"</font><font color="#007700">);<br /> </font><font color="#0000BB">ociexecute</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">,</font><font color="#0000BB">OCI_DEFAULT</font><font color="#007700">);<br /> echo </font><font color="#0000BB">$conn</font><font color="#007700">.</font><font color="#DD0000">" inserted hallo\n\n"</font><font color="#007700">;<br />}<br /><br />function </font><font color="#0000BB">delete_data</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">)<br />{ </font><font color="#0000BB">$stmt </font><font color="#007700">= </font><font color="#0000BB">ociparse</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">,</font><font color="#DD0000">"delete from scott.hallo"</font><font color="#007700">);<br /> </font><font color="#0000BB">ociexecute</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">,</font><font color="#0000BB">OCI_DEFAULT</font><font color="#007700">);<br /> echo </font><font color="#0000BB">$conn</font><font color="#007700">.</font><font color="#DD0000">" deleted hallo\n\n"</font><font color="#007700">;<br />}<br /><br />function </font><font color="#0000BB">commit</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">)<br />{ </font><font color="#0000BB">ocicommit</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">);<br /> echo </font><font color="#0000BB">$conn</font><font color="#007700">.</font><font color="#DD0000">" committed\n\n"</font><font color="#007700">;<br />}<br /><br />function </font><font color="#0000BB">rollback</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">)<br />{ </font><font color="#0000BB">ocirollback</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">);<br /> echo </font><font color="#0000BB">$conn</font><font color="#007700">.</font><font color="#DD0000">" rollback\n\n"</font><font color="#007700">;<br />}<br /><br />function </font><font color="#0000BB">select_data</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">)<br />{ </font><font color="#0000BB">$stmt </font><font color="#007700">= </font><font color="#0000BB">ociparse</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">,</font><font color="#DD0000">"select * from scott.hallo"</font><font color="#007700">);<br /> </font><font color="#0000BB">ociexecute</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">,</font><font color="#0000BB">OCI_DEFAULT</font><font color="#007700">);<br /> echo </font><font color="#0000BB">$conn</font><font color="#007700">.</font><font color="#DD0000">"----selecting\n\n"</font><font color="#007700">;<br /> while (</font><font color="#0000BB">ocifetch</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">))<br /> echo </font><font color="#0000BB">$conn</font><font color="#007700">.</font><font color="#DD0000">" <"</font><font color="#007700">.</font><font color="#0000BB">ociresult</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">,</font><font color="#DD0000">"TEST"</font><font color="#007700">).</font><font color="#DD0000">">\n\n"</font><font color="#007700">;<br /> echo </font><font color="#0000BB">$conn</font><font color="#007700">.</font><font color="#DD0000">"----done\n\n"</font><font color="#007700">;<br />}<br /><br /></font><font color="#0000BB">create_table</font><font color="#007700">(</font><font color="#0000BB">$c1</font><font color="#007700">);<br /></font><font color="#0000BB">insert_data</font><font color="#007700">(</font><font color="#0000BB">$c1</font><font color="#007700">);<br /><br /></font><font color="#0000BB">select_data</font><font color="#007700">(</font><font color="#0000BB">$c1</font><font color="#007700">); <br /></font><font color="#0000BB">select_data</font><font color="#007700">(</font><font color="#0000BB">$c2</font><font color="#007700">); <br /><br /></font><font color="#0000BB">rollback</font><font color="#007700">(</font><font color="#0000BB">$c1</font><font color="#007700">); <br /><br /></font><font color="#0000BB">select_data</font><font color="#007700">(</font><font color="#0000BB">$c1</font><font color="#007700">); <br /></font><font color="#0000BB">select_data</font><font color="#007700">(</font><font color="#0000BB">$c2</font><font color="#007700">); <br /><br /></font><font color="#0000BB">insert_data</font><font color="#007700">(</font><font color="#0000BB">$c2</font><font color="#007700">); <br /></font><font color="#0000BB">commit</font><font color="#007700">(</font><font color="#0000BB">$c2</font><font color="#007700">); <br /><br /></font><font color="#0000BB">select_data</font><font color="#007700">(</font><font color="#0000BB">$c1</font><font color="#007700">); <br /><br /></font><font color="#0000BB">delete_data</font><font color="#007700">(</font><font color="#0000BB">$c1</font><font color="#007700">); <br /></font><font color="#0000BB">select_data</font><font color="#007700">(</font><font color="#0000BB">$c1</font><font color="#007700">); <br /></font><font color="#0000BB">select_data</font><font color="#007700">(</font><font color="#0000BB">$c2</font><font color="#007700">); <br /></font><font color="#0000BB">commit</font><font color="#007700">(</font><font color="#0000BB">$c1</font><font color="#007700">); <br /><br /></font><font color="#0000BB">select_data</font><font color="#007700">(</font><font color="#0000BB">$c1</font><font color="#007700">);<br /></font><font color="#0000BB">select_data</font><font color="#007700">(</font><font color="#0000BB">$c2</font><font color="#007700">);<br /><br /></font><font color="#0000BB">drop_table</font><font color="#007700">(</font><font color="#0000BB">$c1</font><font color="#007700">);<br />print </font><font color="#DD0000">"</PRE></HTML>"</font><font color="#007700">;<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > Veja também <A HREF="function.ocilogon.html" ><B CLASS="function" >ocilogon()</B ></A > e <A HREF="function.ociplogon.html" ><B CLASS="function" >ociplogon()</B ></A >. </P ></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.ocinewdescriptor.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.ocinumcols.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ocinewdescriptor</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.oci8.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >ocinumcols</TD ></TR ></TABLE ></DIV ></BODY ></HTML >