/
03-injection-point.php
82 lines (66 loc) · 1.59 KB
/
03-injection-point.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
<?php
use Ray\Di\AbstractModule;
use Ray\Di\InjectionPointInterface;
use Ray\Di\Injector;
use Ray\Di\ProviderInterface;
require __DIR__ . '/bootstrap.php';
interface FinderInterface
{
}
interface MovieListerInterface
{
}
class Finder implements FinderInterface
{
private $className;
public function __construct($className)
{
$this->className = $className;
}
public function find()
{
return sprintf('search for [%s]', $this->className);
}
}
class MovieLister implements MovieListerInterface
{
/**
* @var Finder
*/
public $finder;
public function __construct(FinderInterface $finder)
{
$this->finder = $finder;
}
}
class FinderProvider implements ProviderInterface
{
private $ip;
public function __construct(InjectionPointInterface $ip)
{
$this->ip = $ip;
}
/**
* {@inheritdoc}
*/
public function get()
{
$className = $this->ip->getClass()->getName();
$finder = new Finder($className);
return $finder;
}
}
class FinderModule extends AbstractModule
{
protected function configure()
{
$this->bind(FinderInterface::class)->toProvider(FinderProvider::class);
$this->bind(MovieListerInterface::class)->to(MovieLister::class);
}
}
$injector = new Injector(new FinderModule());
$movieLister = $injector->getInstance(MovieListerInterface::class);
/* @var $movieLister MovieLister */
$result = $movieLister->finder->find();
$works = ($result === 'search for [MovieLister]');
echo($works ? 'It works!' : 'It DOES NOT work!') . PHP_EOL;