Source of: /manual/en/function.floatval.php
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<div id="function.floatval" class="refentry">
<div class="refnamediv">
<h1 class="refname">floatval</h1>
<p class="verinfo">(PHP 4 >= 4.2.0, PHP 5)</p><p class="refpurpose"><span class="refname">floatval</span> — <span class="dc-title">Get float value of a variable</span></p>
</div>
<a name="function.floatval.description"></a><div class="refsect1 description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">float</span> <span class="methodname"><b>floatval</b></span>
( <span class="methodparam"><span class="type"><a href="language.pseudo-types.php#language.types.mixed" class="type mixed">mixed</a></span> <tt class="parameter">$var</tt></span>
)</div>
<p class="para rdfs-comment">
Gets the <a href="language.types.float.php" class="type float">float</a> value of <i><tt class="parameter">var</tt></i>
.
</p>
</div>
<a name="function.floatval.parameters"></a><div class="refsect1 parameters">
<h3 class="title">Parameters</h3>
<p class="para">
</p><dl>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">var</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
May be any scalar type. You cannot use <b>floatval()</b>
on arrays or objects.
</p>
</dd>
</dl>
<p>
</p>
</div>
<a name="function.floatval.returnvalues"></a><div class="refsect1 returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
The float value of the given variable.
</p>
</div>
<a name="function.floatval.examples"></a><div class="refsect1 examples">
<h3 class="title">Examples</h3>
<p class="para">
</p><div class="example">
<p><b>Example #1 <b>floatval()</b> Example</b></p>
<div class="example-contents programlisting">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$var </span><span style="color: #007700">= </span><span style="color: #DD0000">'122.34343The'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$float_value_of_var </span><span style="color: #007700">= </span><span style="color: #0000BB">floatval</span><span style="color: #007700">(</span><span style="color: #0000BB">$var</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$float_value_of_var</span><span style="color: #007700">; </span><span style="color: #FF8000">// 122.34343<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div><p>
</p>
</div>
<a name="function.floatval.seealso"></a><div class="refsect1 seealso">
<h3 class="title">See Also</h3>
<p class="para">
</p><ul class="simplelist">
<li class="member"><a href="function.intval.php" class="function" rel="rdfs-seeAlso">intval()</a> - Get the integer value of a variable</li>
<li class="member"><a href="function.strval.php" class="function" rel="rdfs-seeAlso">strval()</a> - Get string value of a variable</li>
<li class="member"><a href="function.settype.php" class="function" rel="rdfs-seeAlso">settype()</a> - Set the type of a variable</li>
<li class="member"><a href="language.types.type-juggling.php" class="link">Type juggling</a></li>
</ul><p>
</p>
</div>
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