<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="arrayobject.exchangearray" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>ArrayObject::exchangeArray</refname>
  <refpurpose>Exchange the array for another one</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <modifier>public</modifier> <type>array</type><methodname>ArrayObject::exchangeArray</methodname>
   <methodparam><type>mixed</type><parameter>input</parameter></methodparam>
  </methodsynopsis>
  <para>
   Exchange the current <type>array</type> with another <type>array</type> or <type>object</type>.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>input</parameter></term>
     <listitem>
      <para>
       The new <type>array</type> or <type>object</type> to exchange with the current array.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the old <type>array</type>.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>ArrayObject::exchangeArray</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
// Array of available fruits
$fruits = array("lemons" => 1, "oranges" => 4, "bananas" => 5, "apples" => 10);
// Array of locations in Europe
$locations = array('Amsterdam', 'Paris', 'London');

$fruitsArrayObject = new ArrayObject($fruits);

// Now exchange fruits for locations
$old = $fruitsArrayObject->exchangeArray($locations);
print_r($old);
print_r($fruitsArrayObject);

?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
Array
(
    [lemons] => 1
    [oranges] => 4
    [bananas] => 5
    [apples] => 10
)
ArrayObject Object
(
    [0] => Amsterdam
    [1] => Paris
    [2] => London
)
]]>
    </screen>
   </example>
  </para>
 </refsect1>
</refentry>

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