PHP 对象实例 - 自学教程(runoops.com)

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>PHP 对象 实例 - 自学教程(runoops.com)</title>
</head>
<body>
​
<?php
class Car
{
    var $color;
    function __construct($color="green") {
      $this->color = $color;
    }
    function what_color() {
      return $this->color;
    }
}
​
function print_vars($obj) {
   foreach (get_object_vars($obj) as $prop => $val) {
     echo "\t$prop = $val\n";
   }
}
​
// 实例一个对象
$herbie = new Car("white");
​
// 显示 herbie 属性
echo "\therbie: Properties\n";
print_vars($herbie);
​
?> 
    
​
</body>
​
</html>