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Drupal 8 Module Development by Daniel Sipos

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Logging summary

In this first section, we saw how logging works in Drupal 8. Specifically, we covered few theories so that you understand a bit how things play together and you don't just mindlessly use the logger factory without actually having a clue what goes on under the hood.

As examples, we created our own logging channel, which allows us to inject it wherever we need without having to always go through the factory. We will use this channel going forward for the Hello World module. Additionally, we created our own logger implementation. It won't do much at the moment, except getting registered, but we will use it in the next section to send emails when errors get logged to the site.

Finally, we used the logging framework (and our channel) ...

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