PHP性狀的使用

標籤：isset   maps   set   turn   style   oda   adapter   this   false   

<?phptrait Geocodable{    /** @var string */    protected $address;        /** @var \Geocoder\Geocoder */     protected $geocoder;        /** @var \Geocoder\Result\Geocoded */    protected $geocoderResult;        public function setGeocoder(\GeoCoder\GeocoderInterface $gocoder)    {        $this->geocoder = $gocoder;    }        public function setAddress($address)    {        $this->address = $address;    }        public function getLatitude()    {        if (isset($this->geocoderResult) == false){            $this->geocodeAddress();        }                return $this->geocoderResult->getLatitude();    }        public function getLongitude()    {        if (isset($this->geocoderResult) === false){            $this->geocodeAddress();        }                return $this->geocoderResult->getLongitude();    }        protected function geocodeAddress()    {        $this->geocoderResult = $this->geocoder->geocode($this->address);                return true;    }}//使用性狀class RetailStore{    use Geocodable;            //這裡是類的實現}$geocoderAdapter = new \Geocoder\HttpAdapter\CurlHttpAdapter();$geocoderProvider = new \Geocoder\Provider\GoogleMapsProvider($geocoderAdapter);$geocoder = new \Geocoder\Geocoder($geocoderProvider);$store = new RetailStore();$store->setAddress(‘420 9th Avenue, New York, NY 10001 USA‘);$store->setGeocoder($gocoder);$latitude = $store->getLatitude();$longitude = $store->getLongitude(); echo $latitude, ‘:‘, $longitude;

 

PHP性狀的使用