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Lambda function to create XML from Array

/ Published in: PHP
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This snippet is a lambda function (anonymous function) to create an xml from an array. It uses recursiveness.

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  1. <?php
  2. $toXml = function ( &$xml, $data ) use ( &$toXml ) {
  3. 	foreach ( $data as $key => $value ) {
  4. 		$xml->addChild ( $key );
  5. 		if ( is_array ( $value ) ) {
  6. 			$toXml ( $xml->$key, $value );
  7. 		} else {
  8. 			$xml->$key = $value;
  9. 		}
  10. 	}
  11. };
  12.  
  13. $data = array (
  14.     "key1" => "value2",
  15.     "key2" => array (
  16.         "subkey1" => "subvalue1"
  17.     )
  18. );
  19. $xml = new SimpleXMLElement ( "<root />" );
  20. $toXml ( $xml, $data );
  21.  
  22. echo $xml->asXML();

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