<html>
<body>
// 保留键名设置为 true:
$a=array("red","green","blue","yellow","brown");
print_r(array_slice($a,1,2,true));
// 保留键名设置为 false(默认):
$a=array("red","green","blue","yellow","brown");
print_r(array_slice($a,1,2,false));
// 注意数组键名的差异
</body>
</html>