<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <HTML ><HEAD ><TITLE >gmp_powm</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Manual PHP" HREF="index.html"><LINK REL="UP" TITLE="GMP Functions" HREF="ref.gmp.html"><LINK REL="PREVIOUS" TITLE="gmp_pow" HREF="function.gmp-pow.html"><LINK REL="NEXT" TITLE="gmp_prob_prime" HREF="function.gmp-prob-prime.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-2"></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 PHP</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.gmp-pow.html" ACCESSKEY="P" >Înapoi</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.gmp-prob-prime.html" ACCESSKEY="N" >Înainte</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.gmp-powm" ></A >gmp_powm</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN33539" ></A ><P > (PHP 4 >= 4.0.4, PHP 5)</P >gmp_powm -- Raise number into power with modulo</DIV ><DIV CLASS="refsect1" ><A NAME="AEN33542" ></A ><H2 >Description</H2 >resource <B CLASS="methodname" >gmp_powm</B > ( resource base, resource exp, resource mod)<BR ></BR ><P > Calculate (<VAR CLASS="parameter" >base</VAR > raised into power <VAR CLASS="parameter" >exp</VAR >) modulo <VAR CLASS="parameter" >mod</VAR >. If <VAR CLASS="parameter" >exp</VAR > is negative, result is undefined. </P ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN33561" ></A ><P ><B >Exemplu 1. <B CLASS="function" >gmp_powm()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$pow1 </font><font color="#007700">= </font><font color="#0000BB">gmp_powm</font><font color="#007700">(</font><font color="#DD0000">"2"</font><font color="#007700">, </font><font color="#DD0000">"31"</font><font color="#007700">, </font><font color="#DD0000">"2147483649"</font><font color="#007700">);<br />echo </font><font color="#0000BB">gmp_strval</font><font color="#007700">(</font><font color="#0000BB">$pow1</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 > The printout of the above program will be: </P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >2147483648</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-pow.html" ACCESSKEY="P" >Înapoi</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Acasã</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.gmp-prob-prime.html" ACCESSKEY="N" >Înainte</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >gmp_pow</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.gmp.html" ACCESSKEY="U" >Sus</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >gmp_prob_prime</TD ></TR ></TABLE ></DIV ></BODY ></HTML >