<!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>Converts the radian number to the equivalent number in degrees</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.pow.html">pow</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.rand.html">rand</a></div> <div class="up"><a href="ref.math.html">Math Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.rad2deg" class="refentry"> <div class="refnamediv"> <h1 class="refname">rad2deg</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">rad2deg</span> — <span class="dc-title"> Converts the radian number to the equivalent number in degrees </span></p> </div> <div class="refsect1 description" id="refsect1-function.rad2deg-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">float</span> <span class="methodname"><strong>rad2deg</strong></span> ( <span class="methodparam"><span class="type">float</span> <code class="parameter">$number</code></span> )</div> <p class="para rdfs-comment"> This function converts <em><code class="parameter">number</code></em> from radian to degrees. </p> </div> <div class="refsect1 parameters" id="refsect1-function.rad2deg-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">number</code></em></span> <dd> <p class="para"> A radian value </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.rad2deg-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> The equivalent of <em><code class="parameter">number</code></em> in degrees </p> </div> <div class="refsect1 examples" id="refsect1-function.rad2deg-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-3472"> <p><strong>Example #1 <span class="function"><strong>rad2deg()</strong></span> example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /><br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">rad2deg</span><span style="color: #007700">(</span><span style="color: #0000BB">M_PI_4</span><span style="color: #007700">); </span><span style="color: #FF8000">// 45<br /><br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> </p> </div> <div class="refsect1 seealso" id="refsect1-function.rad2deg-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.deg2rad.html" class="function" rel="rdfs-seeAlso">deg2rad()</a> - Converts the number in degrees to the radian equivalent</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.pow.html">pow</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.rand.html">rand</a></div> <div class="up"><a href="ref.math.html">Math Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>