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<title>Exact division of numbers</title>
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</div><hr /><div id="function.gmp-divexact" class="refentry">
<div class="refnamediv">
<h1 class="refname">gmp_divexact</h1>
<p class="verinfo">(PHP 4 >= 4.0.4, PHP 5)</p><p class="refpurpose"><span class="refname">gmp_divexact</span> — <span class="dc-title">Exact division of numbers</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.gmp-divexact-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">resource</span> <span class="methodname"><strong>gmp_divexact</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$n</code></span>
, <span class="methodparam"><span class="type">resource</span> <code class="parameter">$d</code></span>
)</div>
<p class="para rdfs-comment">
Divides <em><code class="parameter">n</code></em> by <em><code class="parameter">d</code></em>,
using fast "exact division" algorithm. This function produces
correct results only when it is known in advance that
<em><code class="parameter">d</code></em> divides <em><code class="parameter">n</code></em>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.gmp-divexact-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">n</code></em></span>
<dd>
<p class="para">
The number being divided.
</p>
<p class="para">It can be either a GMP number <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span>, or a
numeric string given that it is possible to convert the latter to a number.</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">d</code></em></span>
<dd>
<p class="para">
The number that <em><code class="parameter">a</code></em> is being divided by.
</p>
<p class="para">It can be either a GMP number <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span>, or a
numeric string given that it is possible to convert the latter to a number.</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.gmp-divexact-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
A GMP number <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span>.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.gmp-divexact-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3408">
<p><strong>Example #1 <span class="function"><strong>gmp_divexact()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$div1 </span><span style="color: #007700">= </span><span style="color: #0000BB">gmp_divexact</span><span style="color: #007700">(</span><span style="color: #DD0000">"10"</span><span style="color: #007700">, </span><span style="color: #DD0000">"2"</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">gmp_strval</span><span style="color: #007700">(</span><span style="color: #0000BB">$div1</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$div2 </span><span style="color: #007700">= </span><span style="color: #0000BB">gmp_divexact</span><span style="color: #007700">(</span><span style="color: #DD0000">"10"</span><span style="color: #007700">, </span><span style="color: #DD0000">"3"</span><span style="color: #007700">); </span><span style="color: #FF8000">// bogus result<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">gmp_strval</span><span style="color: #007700">(</span><span style="color: #0000BB">$div2</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
5
2863311534
</pre></div>
</div>
</div>
</p>
</div>
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