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<title>Returns the floating point remainder (modulo) of the division
of the arguments</title>
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<div class="refnamediv">
<h1 class="refname">fmod</h1>
<p class="verinfo">(PHP 4 >= 4.2.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">fmod</span> — <span class="dc-title">Returns the floating point remainder (modulo) of the division
of the arguments</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.fmod-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">float</span> <span class="methodname"><strong>fmod</strong></span>
( <span class="methodparam"><span class="type">float</span> <code class="parameter">$x</code></span>
, <span class="methodparam"><span class="type">float</span> <code class="parameter">$y</code></span>
)</div>
<p class="para rdfs-comment">
Returns the floating point remainder of dividing the dividend
(<code class="parameter">x</code>) by the divisor (<code class="parameter">y</code>).
The remainder (<var class="varname"><var class="varname">r</var></var>) is defined as: x = i * y + r, for
some integer <var class="varname"><var class="varname">i</var></var>. If <code class="parameter">y</code> is
non-zero, <var class="varname"><var class="varname">r</var></var> has the same sign as
<code class="parameter">x</code> and a magnitude less than the magnitude of
<code class="parameter">y</code>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.fmod-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">x</code></dt>
<dd>
<p class="para">
The dividend
</p>
</dd>
<dt>
<code class="parameter">y</code></dt>
<dd>
<p class="para">
The divisor
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.fmod-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
The floating point remainder of
<code class="parameter">x</code>/<code class="parameter">y</code>
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.fmod-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-4256">
<p><strong>Example #1 Using <span class="function"><strong>fmod()</strong></span></strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$x </span><span style="color: #007700">= </span><span style="color: #0000BB">5.7</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$y </span><span style="color: #007700">= </span><span style="color: #0000BB">1.3</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$r </span><span style="color: #007700">= </span><span style="color: #0000BB">fmod</span><span style="color: #007700">(</span><span style="color: #0000BB">$x</span><span style="color: #007700">, </span><span style="color: #0000BB">$y</span><span style="color: #007700">);<br /></span><span style="color: #FF8000">// $r equals 0.5, because 4 * 1.3 + 0.5 = 5.7<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.fmod-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><a href="language.operators.arithmetic.html" class="link"><em>/</em></a> - Floating-point division</li>
<li class="member"><a href="language.operators.arithmetic.html" class="link"><em>%</em></a> - Integer modulus</li>
<li class="member"><span class="function"><a href="function.intdiv.html" class="function">intdiv()</a></span> - Integer division</li>
</ul>
</p>
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