Online PHP editor | refs for M9EV9

<?php $bar = 'php5'; $foo['bar']['baz'] = 'Jason'; echo $$foo['bar']['baz']; //php5 = $($foo['bar']['baz']) = $Jason = Young; echo "\n----------------php7 down------------------\n"; $bar = 'php7'; $Jason = ['bar'=>['baz'=>'Young']]; var_dump($Jason); echo $$foo['bar']['baz'];