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PHP Source format, 2 years 10 months old, and 505 hits.

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Paste Description for Web Service Encoded for PHP

Takes arbitrary data and encodes it to be returned (usually as a web service)

Web Service Encoded for PHP
Wednesday, July 8th, 2009 at 5:29:16pm MDT 

  1. <?php
  2. // PHP Web Service Encoder
  3. //
  4. // Takes arbitrary data and encodes it to be returned (usually as a web service)
  5. //
  6. // Data Formats Supported:
  7. // - XML
  8. // - JSON
  9. // - JSONP (JSON with Padding - Used for Direct <script> Callbacks)
  10. //
  11. // Known Bugs:
  12. // - None
  13. //
  14. // Example:
  15. //
  16. /*
  17.         $dataSet = array
  18.         (
  19.                 'persons' => array
  20.                 (
  21.                         array
  22.                         (
  23.                                 'name' => 'Matan Lurey',
  24.                                 'age'  => 20,
  25.                                 'days' => array
  26.                                 (
  27.                                         1, 3, 5, 7
  28.                                 )
  29.                         )
  30.                 )
  31.         );
  32.        
  33.         print WebServiceEncoder::encodeData($dataSet);
  34. */
  35. // Some Notes:
  36. // - XML is not 'well made' to handle data structures. That being said, Array types (in PHP)
  37. // are encoded as best as possible.
  38. //
  39. // array(1, 2, 3) would be
  40. // <item>1</item><item>2</item><item>3</item>
  41. //
  42. // By Matan Lurey
  43. // matan [a t] lurey [d o t] org
  44. //////////////////////////////////////////////////////////////////////////////////////////////
  45. final class WebServiceEncoder
  46. {
  47.         private static function encodeArrayAsXml($parent, $array)
  48.         {
  49.                 foreach ($array as $item)
  50.                 {
  51.                         $childElement = $parent->addChild('item');
  52.                         self::encodeValueAsXml($childElement, $item);
  53.                 }
  54.         }
  55.        
  56.         private static function encodeDataAsJson($data)
  57.         {
  58.                 return json_encode($data);
  59.         }
  60.        
  61.         private static function encodeDataAsJsonP($data, $callbackFunction)
  62.         {
  63.                 return $callbackFunction . '(' . self::encodeDataAsJson($data) . ');';
  64.         }
  65.        
  66.         private static function encodeDataAsXml($data)
  67.         {
  68.                 $rootElement = new SimpleXMLElement('<web-service />');
  69.                 self::encodeValueAsXml($rootElement, $data);
  70.                
  71.                 return $rootElement->asXML();
  72.         }
  73.        
  74.         private static function encodeObjectAsXml($parent, $object)
  75.         {
  76.                 foreach ($object as $key => $value)
  77.                 {
  78.                         $childElement = $parent->addChild($key);
  79.                         self::encodeValueAsXml($childElement, $value);
  80.                 }
  81.         }
  82.        
  83.         private static function encodeValueAsXml($parent, $value)
  84.         {
  85.                 switch (gettype($value))
  86.                 {
  87.                         case 'array':
  88.                                 if (self::isAssocArray($value))
  89.                                         self::encodeObjectAsXml($parent, $value);
  90.                                 else
  91.                                         self::encodeArrayAsXml($parent, $value);
  92.                                 break;
  93.                         case 'object':
  94.                                 self::encodeObjectAsXml($parent, $value);
  95.                                 break;
  96.                         default:
  97.                                 $parent[0] = $value;
  98.                                 break;
  99.                 }
  100.         }
  101.        
  102.         /**
  103.          * @param $data php data to be encoded
  104.          * @param $format type of formatting to be applied
  105.          * @param $optional for jsonp only, the callback function name
  106.          * @return string
  107.          */
  108.         public function encodeData($data, $format = 'xml', $optional = 'webService')
  109.         {
  110.                 switch ($format)
  111.                 {
  112.                         case 'jsonp':
  113.                                 return self::encodeDataAsJsonP($data, $optional);
  114.                         case 'json':
  115.                                 return self::encodeDataAsJson($data);
  116.                         case 'xml':
  117.                                 return self::encodeDataAsXml($data);
  118.                 }
  119.                
  120.                 return null;
  121.         }
  122.        
  123.         private static function isAssocArray($array)
  124.         {
  125.                 return (is_array($array) &&
  126.                         0 !== count(array_diff_key($array, array_keys(array_keys($array)))));
  127.         }
  128. }

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Tags: php xml json service web

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