php 数组改造，很烧脑

Question

雷雷 雷雷

Answer 1

var_dump(json_decode('[["10","荔枝好吃"],["11","葡萄好吃"],["18","菠萝好吃"]]'));

接下来怎么做你懂吧

Answer 2

去掉双引号不就好咯
$arr = trim($str,'"');
$res = $arr[0];

Answer 3

雷雷

Answer 4

雷雷

Answer 5

雷雷