September 2016
Intermediate to advanced
270 pages
5h 16m
English
Content preview from Mastering PHP Design PatternsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Lazy initialization
Slappy Joe's burgers is a high quality restaurant where burgers are priced after they are made using the exact weight of the meat that was used. Unfortunately, due to the level of creation time, it would be a massive drain on resources for them to make every single type of burger before they are ordered.
Instead of having every type of burger ready for someone to order, when someone orders the burger, it is made (if it isn't already) and they are charged the price for it.
The Burger.php class is structured like this:
<?php class Burger { private $cheese; private $chips; private $price; public function __construct(bool $cheese, bool $chips) { $this->cheese = $cheese; $this->chips = $chips; $this->price = rand(1, 2.50) + ($cheese ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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