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21 lines
426 B
PHP
21 lines
426 B
PHP
<?php
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namespace DesignPatterns\Observer;
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/**
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* class UserObserver
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*/
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class UserObserver implements \SplObserver
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{
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/**
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* This is the only method to implement as an observer.
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* It is called by the Subject (usually by SplSubject::notify() )
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*
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* @param \SplSubject $subject
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*/
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public function update(\SplSubject $subject)
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{
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echo get_class($subject) . ' has been updated';
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}
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}
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