1: <?php
 2: 
 3: class RESTian_Application_Xml_Parser extends RESTian_Parser_Base {
 4:   /**
 5:    * Returns an object or array of stdClass objects from an XML string.
 6:    *
 7:    * @note Leading and trailing space are trim()ed.
 8:    *
 9:    * @see https://www.bookofzeus.com/articles/convert-simplexml-object-into-php-array/
10:    * @see https://php.net/manual/en/function.simplexml-load-string.php
11:    * @see https://hakre.wordpress.com/2013/02/12/simplexml-type-cheatsheet/
12:    *
13:    * @param string|SimpleXMLElement $body
14:    * @return array|object A(n array of) stdClass object(s) with structure dictated by the passed XML string.
15:    */
16:   function parse( $body ) {
17:     if ( empty( $body ) )
18:       return array();
19: 
20:     $is_array = false;
21:     $xml = is_string( $body ) ? new SimpleXMLElement( $body ) : $body;
22: 
23:     $data = (array)$xml->attributes();
24:     if ( 0 == count( $data ) )
25:       $data['@attributes'] = array();
26: 
27:     /**
28:      * @var SimpleXMLElement $element
29:      */
30:     foreach ($xml as $element) {
31:       $tag = $element->getName();
32:       $e = get_object_vars( $element );
33:       if ( ! empty( $e ) ) {
34:         $subset = $element instanceof SimpleXMLElement ? $this->parse( $element ) : $e;
35:       } else {
36:         $subset = trim( $element );
37:       }
38:       if ( ! isset( $data[$tag] ) ) {
39:         $data[$tag] = $subset;
40:       } else {
41:         if ( is_array( $data[$tag] ) ) {
42:           $data[$tag][] = $subset;
43:         } else {
44:           /**
45:            * Convert to an an array because we are seeing duplicate tags.
46:            */
47:           $data[$tag] = array( $data[$tag], $subset );
48:           $is_array = true;
49:         }
50:       }
51:     }
52:     return $is_array ? $data : (object)$data;
53:   }
54: }
55: