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 the statistical information of the file opened by the file pointer handle.
The array returned by this function contains the statistical information 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 for 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 )
