[PHP] traitを使おう ref: https://qiita.com/tarunama/items/32255aab1f777287eaac

trait_A.php

<?php

trait Access
{
    public function destination($to_where)
    {
        echo $to_where;
    }
}

class Navi
{
    use Access;
}

$navi = new Navi();
$navi->destination('青森'); // 青森

trait_sample.php

<?php

trait Access
{
    public function destination($to_where)
    {
        echo $to_where;
    }
}

class Navi
{
    use Access;
}

$navi = new Navi();
$navi->destination('青森'); // 青森