Serializing a plain PHP class to an associative array -

consider simple class:

class token{     private $hash = "";     private $userid = "";      public function  __construct($hash, $userid) {         $this->hash = $hash;         $this->userid = $userid;     }      public function gethash() {         return $this->hash;     }      public function getuserid() {         return $this->userid;     }      public function sethash($hash) {         $this->hash = $hash;     }      public function setuserid($userid) {         $this->userid = $userid;     } } 

trying serialize associative array, so:

// token $t = new token("samplehash", "sampleuser");  // array comparison $retobj = array(); $retobj['hash']   = $t->gethash(); $retobj['userid'] = $t->getuserid();  print_r((array) $t); echo "<br>"; print_r($retobj); 

i this:

array ( [�token�hash] => samplehash [�token�userid] => sampleuser ) array ( [hash] => samplehash [userid] => sampleuser ) 

what's going on? how fix serialization second print line?

from http://www.php.net/manual/en/language.types.array.php#language.types.array.casting

if object converted array, result array elements object's properties. keys member variable names, few notable exceptions: integer properties unaccessible; private variables have class name prepended variable name; protected variables have '*' prepended variable name. these prepended values have null bytes on either side....

answer: must public