php - How to turn variable feed to array? -

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i want turn variable array can store more 1 feed?

<?php  error_reporting(0);  $feed_lifehacker_full = simplexml_load_file('http://feeds.gawker.com/lifehacker/full');  $xml = $feed_lifehacker_full; //print_r($xml);   foreach ($xml->channel->item $node){  $title = $node->title;  $link = $node->link;  $link = explode('/', $link); $link = $link[8]; $url = $node->url; $description = $node->description;  $pubdate = $node->pubdate; preg_match_all('#(http://img[^\s]+(?=\.(jpe?g|png|gif)))#i', $description[0], $images); $images = $images[0][1] . '.jpg'; if($images == '.jpg'){      //uncomment show youtube articles     //$images = "http://placehold.it/640x360";     //echo  "<a href='page2.php?a=$link' title='$title'><img src='$images' /></a><br>"; } else {     //article image     $images . '<br>';     echo  "<a href='page2.php?a=$link' title='$title'><img src='$images' /></a><br>"; }   }

how can change load arrays, 

$feed_lifehacker_full = simplexml_load_file('http://feeds.gawker.com/lifehacker/full');  $xml = $feed_lifehacker_full;

the script gathering image of rss feed , linking page, if see how can done more efficiently feel free say

it possible encode result given json , decoding it return array 

$xml = simplexml_load_string($xmlstring); $json = json_encode($xml); $array = json_decode($json, true);

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