32
'你好，世界！'
32.5
陣列 ( 0 => '紅色', 1 => '綠色', 2 => '藍色', )
陣列 ( 0 => 32, 1 => '你好，世界！', 2 => 32.5, 3 => 陣列 ( 0 => '紅色', 1 => '綠色', 2 => '藍色', ), )