从mysq读出图片地址的字符串"/pic1.jpeg,/pic2.jpg,/pic3.png,/pic4.gif"怎么用php实现分离和循环输出？

$str = "/pic1.jpeg,/pic2.jpg,/pic3.png,/pic4.gif"; $array = explode(",", $str); foreach ($array as $v) { echo $v; }