gistfile1.txt

<?php

class ser extends stdClass implements Serializable {
  var $prop;

  public function __construct() {
    $this->prop = "Property Value";
  }

  public function serialize() {
    $obj = new stdClass();
    $obj->prop = $this->prop;
    return serialize($obj);
  }

  public function unserialize($data) {
  }
}

$s = new ser();
var_dump(serialize($s));

// Output:
// string(67) "C:3:"ser":52:{O:8:"stdClass":1:{s:4:"prop";s:14:"Property Value";}}"