From 3a30ba206e3d95db79f59fffd63a0f87e5cf4879 Mon Sep 17 00:00:00 2001
From: Philip Olson <philip@php.net>
Date: Fri, 30 May 2003 17:10:53 +0000
Subject: [PATCH] Remove php3 example, and see also array_key_exists()

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@129428 c90b9560-bf6c-de11-be94-00142212c4b1
---
 reference/array/functions/array-keys.xml | 33 ++++--------------------
 1 file changed, 5 insertions(+), 28 deletions(-)

diff --git a/reference/array/functions/array-keys.xml b/reference/array/functions/array-keys.xml
index ac7fd7caed..88deca0b08 100644
--- a/reference/array/functions/array-keys.xml
+++ b/reference/array/functions/array-keys.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.5 $ -->
+<!-- $Revision: 1.6 $ -->
 <!-- splitted from ./en/functions/array.xml, last change in rev 1.2 -->
   <refentry id="function.array-keys">
    <refnamediv>
@@ -29,6 +29,7 @@
       <title><function>array_keys</function> example</title>
       <programlisting role="php">
 <![CDATA[
+<?php
 $array = array (0 => 100, "color" => "red");
 print_r(array_keys ($array));
 
@@ -38,6 +39,7 @@ print_r(array_keys ($array, "blue"));
 $array = array ("color" => array("blue", "red", "green"),
                 "size" => array("small", "medium", "large"));
 print_r(array_keys ($array));
+?>
 ]]>
       </programlisting>
       <para>
@@ -65,34 +67,9 @@ Array
       </para>
      </example>
     </para>
-    <note>
-     <para>
-      This function was added to PHP 4, below is an implementation for
-      those still using PHP 3.
-      <example>
-       <title>
-        Implementation of <function>array_keys</function> for PHP 3
-        users
-       </title>
-       <programlisting role="php">
-<![CDATA[
-function array_keys ($arr, $term="") {
-    $t = array();
-    while (list($k,$v) = each($arr)) {
-        if ($term && $v != $term) {
-            continue;
-        }
-        $t[] = $k;
-    }
-    return $t;
-}
-]]>
-       </programlisting>
-      </example>
-     </para>
-    </note>
     <para>
-     See also <function>array_values</function>.
+     See also <function>array_values</function> and
+     <function>array_key_exists</function>.
     </para>
    </refsect1>
   </refentry>