PHP 5.4 introduces the concept of traits. In PHP 5.4 version several new features was introduced, one such feature was PHP traits.
PHP traits help us to minimize code duplication in our codebase. Until the concept of traits, PHP uses classical inheritance model in which one class can inherit only one class. But sometimes, it is beneficial to inherit from multiple classes to avoid code duplication. To solve this problem, PHP community introduces the concept of traits.