php-doc-en/reference/math/functions/deg2rad.xml
Daniel Egeberg 96c9d88bad Converted to utf-8
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@297028 c90b9560-bf6c-de11-be94-00142212c4b1
2010-03-28 22:10:10 +00:00

89 lines
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XML

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.deg2rad" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>deg2rad</refname>
<refpurpose>
Converts the number in degrees to the radian equivalent
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>float</type><methodname>deg2rad</methodname>
<methodparam><type>float</type><parameter>number</parameter></methodparam>
</methodsynopsis>
<para>
This function converts <parameter>number</parameter> from degrees
to the radian equivalent.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>number</parameter></term>
<listitem>
<para>
Angular value in degrees
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The radian equivalent of <parameter>number</parameter>
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>deg2rad</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
echo deg2rad(45); // 0.785398163397
var_dump(deg2rad(45) === M_PI_4); // bool(true)
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>rad2deg</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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