PHP Hamcrest\CoreIsNull::_INSTANCE示例

示例#1

文件： IsNull.php 项目： Ceciceciceci/MySJSU-Class-Registration

 /**
  * Matches if value is null.
  *
  * @factory
  */
 public static function nullValue()
 {
     if (!self::$_INSTANCE) {
         self::$_INSTANCE = new self();
     }
     return self::$_INSTANCE;
 }