| Conditions | 1 | 
| Paths | 1 | 
| Total Lines | 14 | 
| Lines | 0 | 
| Ratio | 0 % | 
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| 1 | <?php  | 
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| 30 | private function setupServices(Container $app): void  | 
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| 31 |     { | 
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| 32 |         $app['searcher'] = static function ($app) { | 
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| 33 | $saver = $app['config']['save.handler'];  | 
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| 34 | |||
| 35 | return $app["searcher.$saver"];  | 
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| 36 | };  | 
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| 37 | |||
| 38 |         $app['saver'] = static function ($app) { | 
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| 39 | $saver = $app['config']['save.handler'];  | 
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| 40 | |||
| 41 | return new NormalizingSaver($app["saver.$saver"]);  | 
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| 42 | };  | 
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| 43 | }  | 
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| 44 | }  | 
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| 45 | 
PHP Analyzer performs a side-effects analysis of your code. A side-effect is basically anything that might be visible after the scope of the method is left.
Let’s take a look at an example:
If we look at the
getEmail()method, we can see that it has no side-effect. Whether you call this method or not, no future calls to other methods are affected by this. As such code as the following is useless:On the hand, if we look at the
setEmail(), this method _has_ side-effects. In the following case, we could not remove the method call: