fix #27021

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@149903 c90b9560-bf6c-de11-be94-00142212c4b1

reference/strings/functions/strip-tags.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
 <!-- splitted from ./en/functions/strings.xml, last change in rev 1.2 -->
   <refentry id="function.strip-tags">
    <refnamediv>
@@ -26,7 +26,7 @@
      <note>
       <para>
        <parameter>allowable_tags</parameter> was added in PHP 3.0.13
-       and PHP 4.0b3.
+       and PHP 4.0b3. Since PHP 4.3.0, HTML comments are also stripped.
       </para> 
      </note>
     </para>
@@ -36,10 +36,37 @@
       <programlisting role="php">
 <![CDATA[
 <?php
-$string = strip_tags($string, '<a><b><i><u>');
+$text = '
+<p>Test paragraph.</p>
+<!-- Comment -->
+Other text';
+
+echo strip_tags($text);
+
+echo "\n\n-------\n";
+
+// allow <p>
+echo strip_tags($text, '<p>');
 ?>
+
 ]]>
       </programlisting>
+      <para>
+       The above example will output:
+      </para>
+      <screen>
+<![CDATA[
+Test paragraph.
+
+Other text
+
+-------
+
+<p>Test paragraph.</p>
+
+Other text
+]]>
+      </screen>
      </example>
     </para>
     <warning>