<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <HTML ><HEAD ><TITLE >gmp_perfect_square</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_or" HREF="function.gmp-or.html"><LINK REL="NEXT" TITLE="gmp_popcount" HREF="function.gmp-popcount.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-or.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-popcount.html" ACCESSKEY="N" >Înainte</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.gmp-perfect-square" ></A >gmp_perfect_square</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN33469" ></A ><P > (PHP 4 >= 4.0.4, PHP 5)</P >gmp_perfect_square -- Perfect square check</DIV ><DIV CLASS="refsect1" ><A NAME="AEN33472" ></A ><H2 >Description</H2 >bool <B CLASS="methodname" >gmp_perfect_square</B > ( resource a)<BR ></BR ><P > Returns <TT CLASS="constant" ><B >TRUE</B ></TT > if <VAR CLASS="parameter" >a</VAR > is a perfect square, <TT CLASS="constant" ><B >FALSE</B ></TT > otherwise. </P ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN33484" ></A ><P ><B >Exemplu 1. <B CLASS="function" >gmp_perfect_square()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /></font><font color="#FF8000">// 3 * 3, perfect square<br /></font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">gmp_perfect_square</font><font color="#007700">(</font><font color="#DD0000">"9"</font><font color="#007700">));<br /><br /></font><font color="#FF8000">// not a perfect square<br /></font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">gmp_perfect_square</font><font color="#007700">(</font><font color="#DD0000">"7"</font><font color="#007700">));<br /><br /></font><font color="#FF8000">// 1234567890 * 1234567890, perfect square<br /></font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">gmp_perfect_square</font><font color="#007700">(</font><font color="#DD0000">"1524157875019052100"</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" >bool(true) bool(false) bool(true)</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ><P > See also: <A HREF="function.gmp-sqrt.html" ><B CLASS="function" >gmp_sqrt()</B ></A >, <B CLASS="function" >gmp_sqrtrm()</B >. </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.gmp-or.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-popcount.html" ACCESSKEY="N" >Înainte</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >gmp_or</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_popcount</TD ></TR ></TABLE ></DIV ></BODY ></HTML >