<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >floatval</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="Variáveis, Funções" HREF="ref.variables.html"><LINK REL="PREVIOUS" TITLE="empty" HREF="function.empty.html"><LINK REL="NEXT" TITLE="get_defined_vars" HREF="function.get-defined-vars.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.empty.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.get-defined-vars.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.floatval" ></A >floatval</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN229592" ></A ><P > (PHP 4 >= 4.2.0, PHP 5)</P >floatval -- Retorna o valor float da variável</DIV ><DIV CLASS="refsect1" ><A NAME="AEN229595" ></A ><H2 >Descrição</H2 >float <B CLASS="methodname" >floatval</B > ( mixed var )<BR ></BR ><P > Retorna o valor <A HREF="language.types.float.html" ><B CLASS="type" >float</B ></A > de <CODE CLASS="parameter" >var</CODE >. </P ><P > <CODE CLASS="parameter" >Var</CODE > somente para parâmetros escalares. Nunca use <B CLASS="function" >floatval()</B > para arrays ou objetos. <DIV CLASS="informalexample" ><P ></P ><A NAME="AEN229609" ></A ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$variavel </font><font color="#007700">= </font><font color="#DD0000">'122.34343The'</font><font color="#007700">;<br /></font><font color="#0000BB">$valor_float </font><font color="#007700">= </font><font color="#0000BB">floatval </font><font color="#007700">(</font><font color="#0000BB">$variavel</font><font color="#007700">);<br />print </font><font color="#0000BB">$valor_float</font><font color="#007700">; </font><font color="#FF8000">// mostra 122.34343<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P ></P ></DIV > </P ><P > Veja mais em <A HREF="function.intval.html" ><B CLASS="function" >intval()</B ></A >, <A HREF="function.strval.html" ><B CLASS="function" >strval()</B ></A >, <A HREF="function.settype.html" ><B CLASS="function" >settype()</B ></A > e <A HREF="language.types.type-juggling.html" >Manipulação de tipos</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.empty.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.get-defined-vars.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >empty</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.variables.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >get_defined_vars</TD ></TR ></TABLE ></DIV ></BODY ></HTML >