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XML indentation issue with simpleXML and DOM in PHP

Posted on 2011-03-07
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Last Modified: 2012-05-11
Hi there,

I've been working on an XML management script in PHP.  You can basically view the contents of an XML file, add items or delete items.  I'm as happy as a clam right now in all honesty.  There is one nagging problem i'm having though...any new items added to the file are displayed as one long line of markup and are not nicely indented like other areas of the file.  I found a fix on StackOverflow...you basically convert the simpleXML object to a DOM object, then set a value and save the file.  It's not working for me though.

Anyways, here's the XML file :
<advertisements>
	<item name="burger">
		<image>burger.jpg</image>
		<price>5.99</price>
		<metric>1 pound</metric>
		<description>Integer tellus nibh, volutpat id sodales vitae, facilisis vel dolor. Etiam accumsan orci quis risus aliquam vitae scelerisque nulla volutpat. Maecenas placerat purus in augue blandit id consequat tellus pellentesque. Pellentesque congue laoreet turpis at lobortis.</description>
	</item>
</advertisements>

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..and here is the portion of my code which adds a new <item> element to the file :

$items = array();
		  $items [] = array(
		  'name' => trim($_POST['item_name']),
		  'image' => basename( $_FILES['uploadedfile']['name']),
		  'price' => trim($_POST['price']),
		  'metric' => trim($_POST['metric']),
		  'description' => trim($_POST['description'])
		  );
		  $xml = new SimpleXMLElement('XML/gt.xml', NULL, TRUE);
		  foreach( $items as $item )  {
			$item_xml = $xml->addChild('item');
			$item_xml->addAttribute("name", $item['name']);
			$item_xml->addChild('image', $item['image']);
			$item_xml->addChild('price', $item['price']);
			$item_xml->addChild('metric', $item['metric']);
			$item_xml->addChild('description', $item['description']);
		  }
		  
		  $dom = dom_import_simplexml($xml)->ownerDocument;
		  $dom->formatOutput = true;
		  $dom->save('XML/gt.xml');
		  header("Location: index.php");

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The last 3 lines where I created use the $dom variable is the workaround I found on StackOverflow but the indentation is not taking hold for new items.  Any help would be much appreciated!
0
Comment
Question by:duder78
  • 4
  • 2
6 Comments
 
LVL 27

Expert Comment

by:Lukasz Chmielewski
ID: 35060627
Can you post the Stack's link ?
0
 
LVL 27

Accepted Solution

by:
Lukasz Chmielewski earned 500 total points
ID: 35060780
I've managed to get a little closer to what you want:

$items = array();
		  $items [] = array(
		  'name' => trim($_POST['item_name']),
		  'image' => basename( $_FILES['uploadedfile']['name']),
		  'price' => trim($_POST['price']),
		  'metric' => trim($_POST['metric']),
		  'description' => trim($_POST['description'])
		  );
		  $xml = new SimpleXMLElement('XML/gt.xml', NULL, TRUE);
		  foreach( $items as $item )  {
			$item_xml = $xml->addChild('item');
			$item_xml->addAttribute("name", $item['name']);
			$item_xml->addChild('image', $item['image']);
			$item_xml->addChild('price', $item['price']);
			$item_xml->addChild('metric', $item['metric']);
			$item_xml->addChild('description', $item['description']);
		  }
		  
		  $doc = new DOMDocument('1.0');
        $doc->preserveWhiteSpace = false;
        $doc->loadXML($xml->asXML());
        $doc->formatOutput = true;
        $doc->save('XML/gt.xml');

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0
 

Author Comment

by:duder78
ID: 35060795
0
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LVL 27

Expert Comment

by:Lukasz Chmielewski
ID: 35060867
I think the code #35060780  works.
0
 

Author Closing Comment

by:duder78
ID: 35061002
That's perfect man,  just what I needed.  Thank you very much!
0
 
LVL 27

Expert Comment

by:Lukasz Chmielewski
ID: 35061071
Cheers !
0

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