php随机获取数组的值

$fruits = array('apple','banana','pear','peach');
//获取数据随机key
$key = array_rand($fruits, 1);
//输出随机内容
echo $fruits[$key];

$fruits = array('apple','banana','pear','peach');
//获取数据随机key
$key = array_rand($fruits, 1);
var_export($key);

$fruits = array('apple','banana','pear','peach');
//获取数据随机key
$key = array_rand($fruits, 2);
var_export($key);

$fruits = array('apple','banana','pear','peach');
//打乱数组
shuffle($fruits);
//输出结果
echo $fruits[0];