php class 构造函数
php class 构造函数 [代码片段(32行)]
<?php
class Item {
private $name;
function __construct( $name='item', $code=0 ) {
$this->name = $name;
$this->code = $code;
}
function getName () {
return $this->name;
}
}
class PriceItem extends Item {
private $price;
function __construct( $name, $code, $price ) {
parent::__construct( $name, $code );
$this->price = $price;
}
function getName() {
return '(price) '.parent::getName ();
}
}
$item = new PriceItem ('widget', 5442, 5.20);
print $item->getName ();
?>
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