<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Calculates binomial coefficient</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.gmp-and.html">gmp_and</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.gmp-clrbit.html">gmp_clrbit</a></div> <div class="up"><a href="ref.gmp.html">GMP Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.gmp-binomial" class="refentry"> <div class="refnamediv"> <h1 class="refname">gmp_binomial</h1> <p class="verinfo">(PHP 7 >= 7.3.0)</p><p class="refpurpose"><span class="refname">gmp_binomial</span> — <span class="dc-title">Calculates binomial coefficient</span></p> </div> <div class="refsect1 description" id="refsect1-function.gmp-binomial-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type"><a href="class.gmp.html" class="type GMP">GMP</a></span> <span class="methodname"><strong>gmp_binomial</strong></span> ( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$n</code></span> , <span class="methodparam"><span class="type">int</span> <code class="parameter">$k</code></span> )</div> <p class="para rdfs-comment"> Calculates the binomial coefficient C(n, k). </p> </div> <div class="refsect1 parameters" id="refsect1-function.gmp-binomial-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <code class="parameter">n</code></dt> <dd> <p class="para">Either a GMP number <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span> in PHP 5.5 and earlier, a <a href="class.gmp.html" class="classname">GMP</a> object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.</p> </dd> <dt> <code class="parameter">k</code></dt> <dd> <p class="para"> </p> </dd> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.gmp-binomial-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the binomial coefficient C(n, k), or <strong><code>FALSE</code></strong> on failure. </p> </div> <div class="refsect1 errors" id="refsect1-function.gmp-binomial-errors"> <h3 class="title">Errors/Exceptions</h3> <p class="para"> Issues E_WARNING if <code class="parameter">k</code> is negative. </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.gmp-and.html">gmp_and</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.gmp-clrbit.html">gmp_clrbit</a></div> <div class="up"><a href="ref.gmp.html">GMP Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>