<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >arsort</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="array" HREF="function.array.html"><LINK REL="NEXT" TITLE="asort" HREF="function.asort.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.array.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.asort.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.arsort" ></A >arsort</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN12240" ></A ><P > (PHP 3, PHP 4, PHP 5)</P >arsort -- Ordena um array em ordem descrescente mantendo a associação entre índices e valores</DIV ><DIV CLASS="refsect1" ><A NAME="AEN12243" ></A ><H2 >Descrição</H2 >bool <B CLASS="methodname" >arsort</B > ( array &array [, int sort_flags] )<BR ></BR ><P > Esta função ordena um array de forma que a correlação entre índices e valores é mantida. É usada principalmente para ordenar arrays associativos onde a ordem dos elementos é um fator importante. </P ><P > Retorna <TT CLASS="constant" ><B >TRUE</B ></TT > em caso de sucesso ou <TT CLASS="constant" ><B >FALSE</B ></TT > em falhas. </P ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN12258" ></A ><P ><B >Exemplo 1. Exemplo de <B CLASS="function" >arsort()</B ></B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$frutas </font><font color="#007700">= array(</font><font color="#DD0000">"d" </font><font color="#007700">=> </font><font color="#DD0000">"limao"</font><font color="#007700">, </font><font color="#DD0000">"a" </font><font color="#007700">=> </font><font color="#DD0000">"laranja"</font><font color="#007700">, </font><font color="#DD0000">"b" </font><font color="#007700">=> </font><font color="#DD0000">"banana"</font><font color="#007700">, </font><font color="#DD0000">"c" </font><font color="#007700">=> </font><font color="#DD0000">"melancia"</font><font color="#007700">);<br /></font><font color="#0000BB">arsort</font><font color="#007700">(</font><font color="#0000BB">$frutas</font><font color="#007700">);<br />foreach (</font><font color="#0000BB">$fruits </font><font color="#007700">as </font><font color="#0000BB">$key </font><font color="#007700">=> </font><font color="#0000BB">$val</font><font color="#007700">) {<br /> echo </font><font color="#DD0000">"$chave = $valor</font><font color="#007700">\n</font><font color="#DD0000">"</font><font color="#007700">;<br />}<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P >O exemplo acima irá imprimir:</P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >c = melancia d = limao a = laranja b = banana</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ><P > As frutas foram ordenadas na ordem alfabética inversa, e os índices associados a cada valor foram mantidos. </P ><P > Você pode modificar o comportamento da ordenação usando o parâmetro opcional <CODE CLASS="parameter" >sort_flags</CODE >, para mais detalhes veja <A HREF="function.sort.html" ><B CLASS="function" >sort()</B ></A >. </P ><P > Veja também: <A HREF="function.asort.html" ><B CLASS="function" >asort()</B ></A >, <A HREF="function.rsort.html" ><B CLASS="function" >rsort()</B ></A >, <A HREF="function.ksort.html" ><B CLASS="function" >ksort()</B ></A > e <A HREF="function.sort.html" ><B CLASS="function" >sort()</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.array.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.asort.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >array</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" >asort</TD ></TR ></TABLE ></DIV ></BODY ></HTML >