| Conditions | 3 | 
| Paths | 4 | 
| Total Lines | 17 | 
| Code Lines | 9 | 
| Lines | 0 | 
| Ratio | 0 % | 
| Changes | 0 | ||
| 1 | <?php  | 
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| 28 | public function __construct(NotifiableInterface $notifiable, ChannelInterface $channel, array $config)  | 
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| 29 |     { | 
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| 30 | // Set the data for Slack Broadcasts  | 
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| 31 |         if (!empty($config['webhook'])) { | 
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| 32 | $notifiable->setSlackWebhook($config['webhook']);  | 
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| 33 | }  | 
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| 34 | |||
| 35 | // Set data for pusher broadcasts  | 
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| 36 |         if (!empty($config['channel_name'])) { | 
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| 37 | $notifiable->setPusherChannel($config['channel_name']);  | 
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| 38 | }  | 
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| 39 | |||
| 40 | $this->notifiable = $notifiable;  | 
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| 41 | $this->channel = $channel;  | 
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| 42 | $this->config = $config;  | 
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| 43 | $this->channelName = $channel->channelName();  | 
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| 44 | }  | 
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| 45 | |||
| 58 | }  | 
            
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the interface: