tomcky https://blog.hatena.ne.jp/tomcky/ Tomcky's blog https://tomcky.hatenadiary.jp/ PHP <?php trait Dumper { public function dump(string $msg) { $className = __CLASS__; echo date("Y-m-d h:i:s", time()).": [{$className}] {$msg}\n"; } } class Book { use Dumper; public $title; function __construct(string $title) { $this->title = $title; $this->dump("Created '{$this->title}'"); // Dumperトレ… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftomcky.hatenadiary.jp%2Fentry%2F20180417%2F1523971244" title="【PHP】トレイト - Tomcky&#39;s blog" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2018-04-17 22:20:44 rich https://tomcky.hatenadiary.jp/entry/20180417/1523971244 1.0 100%