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30 lines
542 B
PHP
30 lines
542 B
PHP
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<?php
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/*
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* DesignPatternPHP
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*/
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namespace DesignPatterns\NullObject;
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/**
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* Service is dummy service that uses a logger
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*/
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class Service
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{
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protected $logger;
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// we inject the logger in ctor and it is mandatory
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public function __construct(LoggerInterface $log)
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{
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$this->logger = $log;
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}
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public function doSomething()
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{
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// no more check "if (!is_null($this->logger))..." with the NullObject pattern
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$this->logger->log('We are in ' . __METHOD__);
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// something to do...
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}
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}
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