Question

请教，php用implode输出数组问题

$arr = array('Hello','World!','Beautiful','Day!');
$arr=implode(",",$arr);

我想指定输出数组里的某一个，比如我要输出第二个也就是值为：World!
该怎么写?
PS：implode必须要留着 因为我数据是POST提交过来的
#1 #2 楼的都是不行的~ 继续坐等高人..

Answer 1

$arr = array('Hello','World!','Beautiful','Day!');
$arr=implode(",",$arr);
。。。。//你的一些操作
$arr = explode(",",$arr);
echo $arr[1];

Answer 2

$arr = array('Hello','World!','Beautiful','Day!');
$arr=implode(",",$arr);
echo $arr[1]; 或者echo $arr['World']

Answer 3

<?php
$arr = array('Hello','World!','Beautiful','Day!');
$arr = implode(",",$arr);

$i = 1;
preg_match_all('/,?([^,]+),?/', $arr, $data);
echo $data[1][$i];

Answer 4

$arr[n];
(北京八方永信教育)