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Save array as xml

array(
name => text,
surname => text,
country => text,
date => text
)

1) How to save this array in a file as an XML file?

2) How to read this file and then as an array?

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3 answers
// save
$doc = new DOMDocument('1.0');
$doc->formatOutput = true;
$root = $doc->createElement('root');
$root = $doc->appendChild($root);
foreach($arr as $key=>$value)
{
   $em = $doc->createElement($key);       
   $text = $doc->createTextNode($value);
   $em->appendChild($text);
   $root->appendChild($em);

}
$doc->save('file.xml');
// load
 $arr = array();
 $doc = new DOMDocument();
 $doc->load('file.xml');
 $root = $doc->getElementsByTagName('root')->items[0];
 foreach($root->childNodes as $item) 
 { 
   $arr[$item->nodeName] = $item->nodeValue;
 }
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Using SimpleXML

for # 1 (as in How to convert an array to SimpleXML )

<?php
  $xml = new SimpleXMLElement('<root/>');
  array_walk_recursive($test_array, array ($xml, 'addChild'));
  print $xml->asXML("file.xml");

for # 2

$xml_data_as_object = simplexml_load_file("file.xml")

returns a representation of an XML data object.

convert an object to an array using:

$xml_data_as_array = array();
foreach ($xml_data->root as $children) {
   $xml_data_as_array[] = array(
     "name" => $children->name,
     "surname" => $children->surname,
     "country" => $children->country,
     "date" => $children->date
  );
}
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