<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >reset</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="Arrays" HREF="ref.array.html"><LINK REL="PREVIOUS" TITLE="range" HREF="function.range.html"><LINK REL="NEXT" TITLE="rsort" HREF="function.rsort.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.range.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.rsort.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.reset" ></A >reset</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN13017" ></A ><P > (PHP 3, PHP 4, PHP 5)</P >reset -- Faz o ponteiro interno de um array apontar para o seu primeiro elemento </DIV ><DIV CLASS="refsect1" ><A NAME="AEN13020" ></A ><H2 >Descrição</H2 >mixed <B CLASS="methodname" >reset</B > ( array array )<BR ></BR ><P > <B CLASS="function" >reset()</B > retrocede o ponteiro interno de <CODE CLASS="parameter" >array</CODE > para o primeiro elemento e retorna o valor do primeiro elemento do array. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN13032" ></A ><P ><B >Exemplo 1. <B CLASS="function" >reset()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php <br /> <br /> $array </font><font color="#007700">= array(</font><font color="#DD0000">'primero passo'</font><font color="#007700">, </font><font color="#DD0000">'segundo passo'</font><font color="#007700">, </font><font color="#DD0000">'terceiro passo'</font><font color="#007700">, </font><font color="#DD0000">'quarto passo'</font><font color="#007700">); <br /> <br /> </font><font color="#FF8000">// por definição, o ponteiro está sobre o primeiro elemento <br /> </font><font color="#007700">echo </font><font color="#0000BB">current</font><font color="#007700">(</font><font color="#0000BB">$array</font><font color="#007700">).</font><font color="#DD0000">"<br>\n"</font><font color="#007700">; </font><font color="#FF8000">// "Primeiro passo"<br /> <br /> // pula dois passos <br /> </font><font color="#0000BB">next</font><font color="#007700">(</font><font color="#0000BB">$array</font><font color="#007700">); <br /> </font><font color="#0000BB">next</font><font color="#007700">(</font><font color="#0000BB">$array</font><font color="#007700">); <br /> echo </font><font color="#0000BB">current</font><font color="#007700">(</font><font color="#0000BB">$array</font><font color="#007700">).</font><font color="#DD0000">"<br>\n"</font><font color="#007700">; </font><font color="#FF8000">// "passo três" <br /> <br /> // reinicia o ponteiro, começa novamente o primeiro passo <br /> </font><font color="#0000BB">reset</font><font color="#007700">(</font><font color="#0000BB">$array</font><font color="#007700">); <br /> echo </font><font color="#0000BB">current</font><font color="#007700">(</font><font color="#0000BB">$array</font><font color="#007700">).</font><font color="#DD0000">"<br>\n"</font><font color="#007700">; </font><font color="#FF8000">// "primeiro passo" <br /> <br /> </font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > Veja também <A HREF="function.current.html" ><B CLASS="function" >current()</B ></A >, <A HREF="function.each.html" ><B CLASS="function" >each()</B ></A >, <A HREF="function.next.html" ><B CLASS="function" >next()</B ></A >, e <A HREF="function.prev.html" ><B CLASS="function" >prev()</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.range.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.rsort.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >range</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.array.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >rsort</TD ></TR ></TABLE ></DIV ></BODY ></HTML >