added getimagechannel range docs

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@287364 c90b9560-bf6c-de11-be94-00142212c4b1

reference/imagick/imagick/getimagechannelrange.xml

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+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- $Revision: 283818 $ -->
+<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.imagick-getimagechannelrange">
+ <refnamediv>
+  <refname>Imagick::getImageChannelRange</refname>
+  <refpurpose>Gets channel range</refpurpose>
+ </refnamediv>
+
+ <refsect1 role="description">
+  &reftitle.description;
+  <methodsynopsis>
+   <type>bool</type><methodname>Imagick::getImageChannelRange</methodname>
+   <methodparam><type>int</type><parameter>channel</parameter></methodparam>
+  </methodsynopsis>
+
+  <para>
+   Gets the range for one or more image channels.
+   &imagick.method.available.0x640;
+  </para>
+ </refsect1>
+
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  <para>
+   <variablelist>
+    <varlistentry>
+     <term><parameter>channel</parameter></term>
+     <listitem>
+      <para>
+       &imagick.parameter.channel;
+      </para>
+     </listitem>
+    </varlistentry>
+   </variablelist>
+  </para>
+ </refsect1>
+
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <para>
+   	Returns an array containing minima and maxima values of the channel(s).
+  </para>
+ </refsect1>
+
+ <refsect1 role="errors">
+  &reftitle.errors;
+  <para>
+   &imagick.imagick.throws;
+  </para>
+ </refsect1>
+
+</refentry>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
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+sgml-always-quote-attributes:t
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+sgml-default-dtd-file:"../../../../manual.ced"
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+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->