Online PHP editor | output for bNZVY

@

<?php

class C {
    function func($str) {
        echo $str;
    }
}

$c = new C();

$sq = 'hoge';
$dq = "hoge";

$fn = 'func';

$c->func('beta');
$c->func($sq);
$c->func($dq);

$c->$fn('beta');
$c->$fn($sq);
$c->$fn($dq);

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