PHP中foreach函数用法？

Question

PHP中foreach函数用法？

Answer 1

1.foreach(被foreach的对象（一般是数组）as 内容) {}例子$x = array(1,2,3,4,5)foreach ($x as $y) {//这里的y依次为1,2,3,4,5}2.foreach(被foreach的对象（一般是数组）as index => 内容) {}例子$x = array(1,2,3,4,5)foreach ($x as $index => $y) {//这里的y依次为1,2,3,4,5, $index依次为0,1,2,3,4}