trait_use.php
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trait_use.php
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trait Cacheable {↵
private array $cache = [];↵
↵
public function cached(string $key, Closure $fn): mixed {↵
return $this->cache[$key] ??= $fn();↵
}↵
}↵
↵
class Service {↵
use Cacheable;↵
↵
public function getData(): array {↵
return $this->cached('data', fn() => $this->fetch());↵
}↵
}
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