<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Exchange the array for another one.</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="arrayobject.count.html">ArrayObject::count</a></div>
<div class="next" style="text-align: right; float: right;"><a href="arrayobject.getarraycopy.html">ArrayObject::getArrayCopy</a></div>
<div class="up"><a href="class.arrayobject.html">ArrayObject</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="arrayobject.exchangearray" class="refentry">
<div class="refnamediv">
<h1 class="refname">ArrayObject::exchangeArray</h1>
<p class="verinfo">(PHP 5 >= 5.1.0)</p><p class="refpurpose"><span class="refname">ArrayObject::exchangeArray</span> — <span class="dc-title">Exchange the array for another one.</span></p>
</div>
<div class="refsect1 description" id="refsect1-arrayobject.exchangearray-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">array</span> <span class="methodname"><strong>ArrayObject::exchangeArray</strong></span>
( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$input</code></span>
)</div>
<p class="para rdfs-comment">
Exchange the current <span class="type"><a href="language.types.array.html" class="type array">array</a></span> with another <span class="type"><a href="language.types.array.html" class="type array">array</a></span> or <span class="type"><a href="language.types.object.html" class="type object">object</a></span>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-arrayobject.exchangearray-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">input</code></em></span>
<dd>
<p class="para">
The new <span class="type"><a href="language.types.array.html" class="type array">array</a></span> or <span class="type"><a href="language.types.object.html" class="type object">object</a></span> to exchange with the current array.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-arrayobject.exchangearray-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the old <span class="type"><a href="language.types.array.html" class="type array">array</a></span>.
</p>
</div>
<div class="refsect1 examples" id="refsect1-arrayobject.exchangearray-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3981">
<p><strong>Example #1 <span class="function"><strong>ArrayObject::exchangeArray()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Array of available fruits<br /></span><span style="color: #0000BB">$fruits </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"lemons" </span><span style="color: #007700">=> </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #DD0000">"oranges" </span><span style="color: #007700">=> </span><span style="color: #0000BB">4</span><span style="color: #007700">, </span><span style="color: #DD0000">"bananas" </span><span style="color: #007700">=> </span><span style="color: #0000BB">5</span><span style="color: #007700">, </span><span style="color: #DD0000">"apples" </span><span style="color: #007700">=> </span><span style="color: #0000BB">10</span><span style="color: #007700">);<br /></span><span style="color: #FF8000">// Array of locations in Europe<br /></span><span style="color: #0000BB">$locations </span><span style="color: #007700">= array(</span><span style="color: #DD0000">'Amsterdam'</span><span style="color: #007700">, </span><span style="color: #DD0000">'Paris'</span><span style="color: #007700">, </span><span style="color: #DD0000">'London'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$fruitsArrayObject </span><span style="color: #007700">= new </span><span style="color: #0000BB">ArrayObject</span><span style="color: #007700">(</span><span style="color: #0000BB">$fruits</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Now exchange fruits for locations<br /></span><span style="color: #0000BB">$old </span><span style="color: #007700">= </span><span style="color: #0000BB">$fruitsArrayObject</span><span style="color: #007700">-></span><span style="color: #0000BB">exchangeArray</span><span style="color: #007700">(</span><span style="color: #0000BB">$locations</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$old</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$fruitsArrayObject</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
Array
(
[lemons] => 1
[oranges] => 4
[bananas] => 5
[apples] => 10
)
ArrayObject Object
(
[0] => Amsterdam
[1] => Paris
[2] => London
)
</pre></div>
</div>
</div>
</p>
</div>
</div><hr /><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="arrayobject.count.html">ArrayObject::count</a></div>
<div class="next" style="text-align: right; float: right;"><a href="arrayobject.getarraycopy.html">ArrayObject::getArrayCopy</a></div>
<div class="up"><a href="class.arrayobject.html">ArrayObject</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
