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<title>Absolute value</title>
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<h1 class="refname">gmp_abs</h1>
<p class="verinfo">(PHP 4 >= 4.0.4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">gmp_abs</span> — <span class="dc-title">Absolute value</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.gmp-abs-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_abs</strong></span>
( <span class="methodparam"><span class="type"><a href="class.gmp.html" class="type GMP">GMP</a></span> <code class="parameter">$a</code></span>
)</div>
<p class="para rdfs-comment">
Get the absolute value of a number.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.gmp-abs-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">a</code></dt>
<dd>
<p class="para">Either a GMP number <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span> in PHP 5.5 and earlier, a <a href="class.gmp.html" class="classname">GMP</a> object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.gmp-abs-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the absolute value of <code class="parameter">a</code>, as a GMP number.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.gmp-abs-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-4190">
<p><strong>Example #1 <span class="function"><strong>gmp_abs()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$abs1 </span><span style="color: #007700">= </span><span style="color: #0000BB">gmp_abs</span><span style="color: #007700">(</span><span style="color: #DD0000">"274982683358"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$abs2 </span><span style="color: #007700">= </span><span style="color: #0000BB">gmp_abs</span><span style="color: #007700">(</span><span style="color: #DD0000">"-274982683358"</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #0000BB">gmp_strval</span><span style="color: #007700">(</span><span style="color: #0000BB">$abs1</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">gmp_strval</span><span style="color: #007700">(</span><span style="color: #0000BB">$abs2</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>
274982683358
274982683358
</pre></div>
</div>
</div>
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