class Animal {
public $_type;
public $_breed;
public function __construct ($t, $b) {
echo "i have initialized<br/>";
$this ->_type = $t;
$this ->_breed = $b;
echo "type is " .$_type. "<br/>";
echo "breed is " .$_breed. "<br/>";
}
public function __destruct () {
echo "i am dying";
}
}
$dog = new Animal("Dog", "Pug");
解决方法:
试试这个(注意回声线):
class Animal {
public $_type;
public $_breed;
public function __construct ($t, $b) {
echo "i have initialized<br/>";
$this->_type = $t;
$this->_breed = $b;
//You have to use '$this' keyword to access
//class attibutes:
echo "type is " . $this->_type . "<br/>";
echo "breed is " . $this->_breed . "<br/>";
}
public function __destruct () {
echo "i am dying";
}
}