Yeah, we went there...

gistfile1.py

class PHPObjectField(models.Field):
    """Serialize the value in the same format as PHP's built in object
    serializer. Yeah I know, it's fucked up. Life's a bitch."""
    description = _('PHPObject')
    default_error_messages = {
        'invalid': _(u'This value must be serializable by PHPserialize.'),}

    def get_internal_type(self):
        return 'TextField'

    def to_python(self, value):
        if not value is None:
            if not isinstance(value, basestring):
                return value
            else:
                try:
                    return phpserialize.unserialize(value)
                except ValueError:
                    pass
        return {}

    def get_prep_value(self, value):
        try:
            value = phpserialize.serialize(value)
            return super(PHPObjectField, self).get_prep_value(value)
        except TypeError:
            raise ValidationError(self.error_messages['invalid'])

    def value_to_string(self, instance):
        return self.get_db_prep_value(self._get_val_from_obj(instance))

    __metaclass__ = models.SubfieldBase