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Exam 200-550 All Questions

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Exam 200-550 topic 1 question 32 discussion

Actual exam question from Zend's 200-550
Question #: 32
Topic #: 1
[All 200-550 Questions]

SIMULATION -
Consider the following code. Which keyword should be used in the line marked with "KEYWORD" instead of "self" to make this code work as intended? abstract class Base { protected function __construct() {
}
public static function create() {
return new self(); // KEYWORD
}
abstract function action();
}
class Item extends Base {
public function action() { echo __CLASS__; }
}
$item = Item::create();
$item->action(); // outputs "Item"

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Suggested Answer: static

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Sgeleon
3 years, 8 months ago
abstract class Base { protected function __construct() {} public static function create() { return new self(); // KEYWORD } abstract function action(); } class Item extends Base { public function action() { echo __CLASS__; } } $item = Item::create(); $item->action(); // outputs "Item"
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