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<?php $feeds = [ ['feed_image' => [ '<a href="http://52.1.47.143/photo/928/2_onclick_ok/userid_244/" class=" js_photo_item_928 photo_holder_image" rel="928" ><img src="http://52.1.47.143/file/pic/photo/2015/04/9bd387c6442135834298d6a17b3f9555_240.jpg" alt="" width="180" height="160" class="photo_holder" /></a><br />', '<a href="http://52.1.47.143/photo/927/8/userid_244/" class=" js_photo_item_928 photo_holder_image" rel="927"><img src="http://52.1.47.143/file/pic/photo/2015/04/6eb60ee0e258223ef72a9a632d0ce429_240.png" alt="" height="84" width="150" class="photo_holder" userid="244" /></a>', 'hufflebuff' ] ], ['some other array'] ]; $result = []; foreach($feeds as $index => $feed) { if(isset($feed['feed_image']) && is_array($feed['feed_image'])) { $result[$index] = array_map(function($item) { $dom = new DOMDocument; $dom->loadHtml($item); $src = simplexml_import_dom($dom)->xpath('//img/@src'); if(!isset($src[0])) { return false; } $components = explode('photo/', $src[0]); return end($components); }, $feed['feed_image']); $result[$index] = array_filter($result[$index]); } } var_dump($result);

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