如何使用Codeigniter在PHP中将数组放入数组中？

Question

如何获取web_hi_res_512.png值。

Array ( 
  [upload_data] => 
    Array ( [file_name] => web_hi_res_51216.png
            [file_type] => image/png 
            [file_path] => C:/xampp/htdocs/elearning/uploads/ 
            [full_path] => C:/xampp/htdocs/elearning/uploads/web_hi_res_51216.png 
            [raw_name]  => web_hi_res_51216 [orig_name] => web_hi_res_512.png 
            [client_name] => web_hi_res_512.png [file_ext] => .png [file_size] => 84.94 
            [is_image]  => 1 
            [image_width] => 512 
            [image_height] => 512 
            [image_type] => png 
            [image_size_str] => width="512" height="512"
    ) 
)

Answer 1

<?=$array['upload_data']['file_name'];?>

你可以得到这样的

Answer 2

如果将此数组分配给变量$ array：

echo $array['upload_data']['file_name'];

Answer 3

POSIXct

您可以按以下方式访问它

echo $array['1st_array_key']['2nd_array_key'];