■ファイルの状態情報取得：data/PHP_file_function.txt
Array
(
    [0] => 4
    [1] => 0
    [2] => 33206
    [3] => 1
    [4] => 0
    [5] => 0
    [6] => 4
    [7] => 4712
    [8] => 1773624604
    [9] => 1442223075
    [10] => 1442568915
    [11] => -1
    [12] => -1
    [dev] => 4
    [ino] => 0
    [mode] => 33206
    [nlink] => 1
    [uid] => 0
    [gid] => 0
    [rdev] => 4
    [size] => 4712
    [atime] => 1773624604
    [mtime] => 1442223075
    [ctime] => 1442568915
    [blksize] => -1
    [blocks] => -1
)