Online PHP editor | refs for magme

<?php $foo = ['apple']; $test =& $foo; $bar = $foo; $bar[0] = 'orange'; var_dump($test[0]); $foo = ['apple']; $bar = $foo; $test =& $foo[0]; $bar[0] = 'orange'; var_dump($test); $foo = ['apple']; $test =& $foo[0]; $bar = $foo; $bar[0] = 'orange'; var_dump($test);