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<?php |
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|
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require __DIR__ . '/../vendor/autoload.php'; |
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|
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class AAA {} |
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class BBB {} |
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class CCC { |
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public function __construct(BBB $bbb) {} |
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public function setBbb(BBB $bbb) {} |
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public $aaa; |
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} |
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class DDD {} |
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function get_a_bbb() { return new BBB; } |
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|
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/** |
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* @property-read AAA $aaa |
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* @property-read BBB $bbb1 |
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* @property-read BBB $bbb2 |
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* @property-read BBB $bbb3 |
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* @property-read CCC $ccc |
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* @property-read DDD $ddd |
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* |
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* @method AAA new_aaa() |
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*/ |
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class MyContainer extends \Props\Container { |
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public function __construct() { |
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// store plain old values |
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$this->ddd = new DDD; |
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$this->{'bbb.class'} = 'BBB'; |
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|
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// set a factory, which will construct an object on demand |
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$this->aaa = function () { |
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return new AAA(); |
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}; |
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|
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// alternative factory syntax, and using a reference to specify the class name |
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$this->setFactory('bbb1', function (MyContainer $c) { |
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return new $c->{'bbb.class'}; |
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}); |
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|
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// fetch with a callback |
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$this->setFactory('bbb2', 'get_a_bbb'); |
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|
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// Closures automatically used as factories |
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$this->bbb3 = function (MyContainer $c) { |
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return $c->bbb2; |
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}; |
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|
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// more advanced factory |
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$this->ccc = function (MyContainer $c) { |
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$val = new CCC($c->bbb1); |
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$val->setBbb($c->bbb2); |
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$val->aaa = $c->aaa; |
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return $val; |
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}; |
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} |
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} |
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|
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$c = new MyContainer; |
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|
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$c->aaa; // factory builds a AAA |
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$c->aaa; // the same AAA |
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$c->new_aaa(); // always a freshly-built AAA |
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|
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$c->bbb1; // factory resolves bar.class, builds a BBB |
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$c->bbb2; // invoker calls get_a_bbb() |
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$c->bbb3; // invoker executes anon func, returning the already-cached $c->bbb2 instance |
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|
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$c->ccc; // factory creates CCC, passing a new BBB object, |
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// calls setBbb(), passing in $c->bbb2, |
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// and sets the aaa property to $c->aaa |
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