# php注释

$arr=array(“a”,”b”,”c”); foreach($arr as &$a); print_r($arr);
//$a=”d”; foreach($arr as $a); print_r($arr);
//”?>”; #1
echo “wrong”;
?>#2

Array ( [0] => a [1] => b [2] => c ) Array ( [0] => a [1] => b [2] => b ) “; echo “wrong”; ?>

Array ( [0] => a [1] => b [2] => c ) Array ( [0] => a [1] => b [2] => b ) wrong