Exemplo de código utilizado em um dos meus artigos: medium.com/@joaorobertopb

trecho-illuminate-model.php

<?php

//Trecho de código, retirado de https://github.com/laravel/framework/blob/5.6/src/Illuminate/Database/Eloquent/Model.php#L189

    /**
     * The "booting" method of the model.
     *
     * @return void
     */
    protected static function boot()
    {
        static::bootTraits();
    }

    /**
     * Boot all of the bootable traits on the model.
     *
     * @return void
     */
    protected static function bootTraits()
    {
        $class = static::class;

        foreach (class_uses_recursive($class) as $trait) {
            if (method_exists($class, $method = 'boot'.class_basename($trait))) {
                forward_static_call([$class, $method]);
            }
        }
    }