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bug: enhances example of Observer implementation, with actual change.
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@ -15,6 +15,7 @@ use SplObserver;
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class User implements SplSubject
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{
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private SplObjectStorage $observers;
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private $email;
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public function __construct()
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{
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@ -33,6 +34,7 @@ class User implements SplSubject
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public function changeEmail(string $email)
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{
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$this->email = $email;
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$this->notify();
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}
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