PHP Traits

Traits enable horizontal code reuse - share methods across unrelated classes without inheritance. Perfect for adding common functionality!

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Defining a Trait

<?php
trait Timestampable {
    public function setTimestamps() {
        $this->createdAt = date('Y-m-d H:i:s');
    }
}
?>

Using a Trait

<?php
class Post {
    use Timestampable;
    
    public $title;
}

$post = new Post();
$post->setTimestamps();  // From trait!
?>

Multiple Traits

<?php
class Post {
    use Timestampable, Loggable, Cacheable;
}
?>

Summary

What's Next?

Next, learn about Static Members - class-level properties and methods!