Use a trait only for small, genuinely cross-cutting behavior: ~~~php trait HasTimestamps { private DateTimeImmutable $updatedAt; public function touch(): void { $this->updatedAt = new DateTimeImmutable(); } } final class User { use HasTimestamps; } ~~~ Keep traits focused and lightweight; do not use them to hide unrelated state or business responsibilities.
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Use a trait only for small, genuinely cross-cutting behavior:
~~~php
trait HasTimestamps
{
private DateTimeImmutable $updatedAt;
public function touch(): void
{
$this->updatedAt = new DateTimeImmutable();
}
}
final class User
{
use HasTimestamps;
}
~~~
Keep traits focused and lightweight; do not use them to hide unrelated state or business responsibilities.
