public function __construct($_ = 0.0) { if (is_double($_) != true) { throw new \Exception(); } parent::__construct($_); }
public function __construct($_ = false) { if (is_bool($_) != true) { throw new \Exception(); } parent::__construct($_); }
public function __construct($_ = null) { if (is_null($_)) { $_ = 0; } if (is_string($_) != true) { throw new \Exception(); } parent::__construct($_); }
public function __construct() { parent::__construct(null); }