<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >base_convert</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="Matemática e Trigonometria" HREF="ref.math.html"><LINK REL="PREVIOUS" TITLE="atanh" HREF="function.atanh.html"><LINK REL="NEXT" TITLE="bindec" HREF="function.bindec.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.atanh.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.bindec.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.base-convert" ></A >base_convert</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN104488" ></A ><P > (PHP 3 >= 3.0.6, PHP 4, PHP 5)</P >base_convert -- Converte um número entre bases arbitrárias</DIV ><DIV CLASS="refsect1" ><A NAME="AEN104491" ></A ><H2 >Descrição</H2 >string <B CLASS="methodname" >base_convert</B > ( string number, int frombase, int tobase )<BR ></BR ><P > Retorna uma string contendo <CODE CLASS="parameter" >number</CODE > representado na base <CODE CLASS="parameter" >tobase</CODE >. A base atual de <CODE CLASS="parameter" >number</CODE > é especificada em <CODE CLASS="parameter" >frombase</CODE >. Tanto <CODE CLASS="parameter" >frombase</CODE > quanto <CODE CLASS="parameter" >tobase</CODE > tem que estar entre 2 e 36, inclusive. Digitos em números com base maior do que 10 serão representados com letras a-z, com a significando 10, b significando 11 e z significando 35. <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN104512" ></A ><P ><B >Exemplo 1. <B CLASS="function" >base_convert()</B ></B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$hexadecimal </font><font color="#007700">= </font><font color="#DD0000">'A37334'</font><font color="#007700">;<br />echo </font><font color="#0000BB">base_convert</font><font color="#007700">(</font><font color="#0000BB">$hexadecimal</font><font color="#007700">, </font><font color="#0000BB">16</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">);<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P > Exibe: </P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >101000110111001100110100</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </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.atanh.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.bindec.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >atanh</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.math.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >bindec</TD ></TR ></TABLE ></DIV ></BODY ></HTML >