请教case语句
$a = '*';
switch($a)
{
case 1: echo ' (int)one';
case 0: echo ' (int)zero';
case '0': echo ' (string)zero';
case '*': echo ' (string)star';
case true: echo ' (bool)true';
case false: echo ' (bool)false';
}
上面这段为什么输出//(int)zero (string)zero (string)star (bool)true (bool)false
而不是输出//(string)star (bool)true (bool)false