Serialized arrays over GET php

<?php

$array = array(
	'Appt with my IFA: cxzcsdf Wed. 10:30',
	'Transfer some cas\\zh to my SIPP ready to invest in R&M Global Opportunities on launch'."\n",
	'Research and switch from my gilts fund to an emerging markets fund'
);

$serialized = serialize($array);

echo '<strong>Serialized</strong>: ' .$serialized .'<br/><br/>';

$urlencoded = urlencode($serialized);

echo '<strong>Encoded:</strong> <a href="?encoded=' .$urlencoded .'">' .$urlencoded .'</a><br/><br/>';

if( isset($_GET['encoded']) )
{
	echo '<strong>Encoded from GET:</strong> ' . $_GET['encoded'] .'<br/><br/>';
	
	$decoded = urldecode($_GET['encoded']);
	
	echo  '<strong>Decoded from GET:</strong> ' . $decoded .'<br/><br/>';
	
	$decoded_array = unserialize($decoded);
	
	echo  '<strong>Decoded from GET:</strong> ' . print_r($decoded_array, TRUE) .'<br/><br/>';
}

echo "<h2>Final verdict!</h2>";

var_dump($array === $decoded_array);

echo "<h2>Whhhhhhhy?!</h2>";

var_export($array);
echo "<br/><br/>";
var_export($decoded_array);