Accessing Object Properties (Drilling down without array conversion) [duplicate]


This question already has an answer here:

<ul><li> <a href="/questions/1652128/accessing-attribute-from-simplexml" dir="ltr" rel="nofollow">Accessing @attribute from SimpleXML</a> <span class="question-originals-answer-count"> 8 answers </span> </li> </ul>

I have recently been working with tv_grab_uk_rt which generates a TV guide xml file. I have written a script to convert the XML into an object which I can the loop through and insert into a database. Whilst I have the script working, I came across an issue I was looking to get clarification for.

When putting the XML to an object I get the following:

SimpleXMLElement Object ( [@attributes] => Array ( [date] => Mon, 23 Dec 2013 04:30:01 GMT [source-info-url] => http://www.radiotimes.com [source-info-name] => Radio Times XMLTV Service [source-data-url] => http://xmltv.radiotimes.com/xmltv/channels.dat [generator-info-name] => XMLTV/0.5.61, tv_grab_uk_rt 1.342, 2011/06/19 06:50:36 [generator-info-url] => http://www.xmltv.org ) [channel] => Array ( [0] => SimpleXMLElement Object ( [@attributes] => Array ( [id] => fiver.channel5.co.uk ) [display-name] => 5* [icon] => SimpleXMLElement Object ( [@attributes] => Array ( [src] => http://www.lyngsat-logo.com/logo/tv/cc/channel5_star.jpg ) ) ) ) )

Lets say this object is contained within the variable $xml, if I were to do the following:

foreach($xml->channel as $channel) { echo $channel->displayname }

I realise I would be able to echo the object property of displayname, in this case 5*.

But what happens if I wanted to say echo the src in this case http://www.lyngsat-logo.com/logo/tv/cc/channel5_star.jpg, how would I go about doing this with an object. I can't for example do

foreach($xml->channel as $channel) { echo $channel->icon->@attributes->src }

With arrays for example you could easily do

foreach($xml['channel'] as $channel) { echo $channel['icon']['@attributes']['src']; }

But not with objects. Rather than getting into endless loops I found I could convert the object to an array like so

foreach($xml->channel as $channel) { echo $channel['icon']['@attributes']['src']; $channelArray = get_object_vars($channel); }

Then I can simply access the properties as an array. So my question really is, without converting the object into an array, is there a way to drill into the properties ie



Each channel is a <a href="http://www.php.net/manual/en/class.simplexmlelement.php" rel="nofollow">SimpleXMLElement</a> instance so you can

foreach($xml->channel as $channel) { echo $channel->icon->attributes()->src; }

When in doubt always start from the official docs.


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