<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >gmp_sub</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="GMP" HREF="ref.gmp.html"><LINK REL="PREVIOUS" TITLE="gmp_strval" HREF="function.gmp-strval.html"><LINK REL="NEXT" TITLE="gmp_xor" HREF="function.gmp-xor.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.gmp-strval.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.gmp-xor.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.gmp-sub" ></A >gmp_sub</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN60959" ></A ><P > (PHP 4 >= 4.0.4, PHP 5)</P >gmp_sub -- Subtrai números</DIV ><DIV CLASS="refsect1" ><A NAME="AEN60962" ></A ><H2 >Descrição</H2 >resource <B CLASS="methodname" >gmp_sub</B > ( resource a, resource b )<BR ></BR ><P > Subtrai <CODE CLASS="parameter" >b</CODE > de <CODE CLASS="parameter" >a</CODE > e retorna o resultado. </P ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN60976" ></A ><P ><B >Exemplo 1. Exemplo <B CLASS="function" >gmp_sub()</B ></B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$sub </font><font color="#007700">= </font><font color="#0000BB">gmp_sub</font><font color="#007700">(</font><font color="#DD0000">"281474976710656"</font><font color="#007700">, </font><font color="#DD0000">"4294967296"</font><font color="#007700">); </font><font color="#FF8000">// 2^48 - 2^32<br /></font><font color="#007700">echo </font><font color="#0000BB">gmp_strval</font><font color="#007700">(</font><font color="#0000BB">$sub</font><font color="#007700">) . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P > A saída do programa acima será: </P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >281470681743360</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></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.gmp-strval.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.gmp-xor.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >gmp_strval</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.gmp.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >gmp_xor</TD ></TR ></TABLE ></DIV ></BODY ></HTML >