Value Object is an object that represents a concept from your problem Domain. It is important in DDD that Value Objects support and enrich Ubiquitous Language of your Domain. They are not just primitives that represent some values - they are domain citizens that model behaviour of your application.
Read moreDealing with floating-point calculations in PHP
Long time ago – while learning PHP – I found the following piece of code:
echo intval((0.1+0.7)*10); // int(7)
and then I forgot about it. And while I can understand that the above code returns the number 7 instead of 8, the knowledge and memory of this is critically important while performing any arithmetic calculations.
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