PHP fstat() Function
Definition and Usage
The fstat() function returns information about the open file.
Syntax
fstat(file)
| Parameter | Description |
|---|---|
| pipe | Required. Specifies the open file to be checked. |
Description
Get statistics of the file opened by the file pointer handle.
The array returned by this function contains the statistics of the file, including the following elements:
| Numeric index | Associated key name (since PHP 4.0.6) | Description |
|---|---|---|
| 0 | dev | Device name |
| 1 | ino | Number |
| 2 | mode | inode protection mode |
| 3 | nlink | Number of connections |
| 4 | uid | User ID of the owner |
| 5 | gid | Group ID of the owner |
| 6 | rdev | Device type, if it is an inode device |
| 7 | size | Number of bytes in file size |
| 8 | atime | Last visit time (Unix timestamp) |
| 9 | mtime | Last modification time (Unix timestamp) |
| 10 | ctime | Last change time (Unix timestamp) |
| 11 | blksize | Block size of file system IO |
| 12 | blocks | Number of blocks occupied |
Tips and Comments
Tip:This function is similar to stat() The function is similar, but it acts on an open file pointer instead of a file name.
Example
<?php
$file = fopen("test.txt","r");
print_r(fstat($file));
fclose($file);
?>
Output similar to:
Array ( [0] => 0 [1] => 0 [2] => 33206 [3] => 1 [4] => 0 [5] => 0 [6] => 0 [7] => 92 [8] => 1141633430 [9] => 1141298003 [10] => 1138609592 [11] => -1 [12] => -1 [dev] => 0 [ino] => 0 [mode] => 33206 [nlink] => 1 [uid] => 0 [gid] => 0 [rdev] => 0 [size] => 92 [atime] => 1141633430 [mtime] => 1141298003 [ctime] => 1138609592 [blksize] => -1 [blocks] => -1 )
