PHP怎么删除数组？源代码在下面看看有什么错的地方（请指正）
$car=array("欢迎","使用","辰枫","后台") unset =$car[0] echo "尊敬的,".$car[2]."你好,".$car[0].$car[1].$car[2].$car[3].$car[4];
unset($car[0]);
第二行结尾加分号，第三行改成 unset($car[0]);