関数4

    <?php
        $friends = array("haruki","kaoru","hideto","masatoshi","takanori");
        for ($i = 0; $i < 5; $i++) {
            echo $friends[$i].PHP_EOL;
        }
    ?>
    
    
    
    <?php
        $results = array(
            "math" => 90,
            "english" => 80,
            "japanese" => 85
        );
    
        foreach ($results as $title => $score){
            echo $title .":".$score .PHP_EOL;
        }
    ?>