What is the stat() function in PHP?
stat() is a built-in function in PHP.
The stat() function returns information (or statistics) regarding a specific file. We can extract a variety of file-specific information using the stat() function.
Syntax
The following is the prototype of the function:
stat(filename)
Parameters and return value
The stat() function takes the following parameter:
filename: A string representing the name of the file to be examined.
The function returns an array that contains different information regarding the file at each index. The elements within the array may be accessed via their indices or a string key.
The following table gives a breakdown of the arrays returned by the stat() function:
Index | Key | Value |
0 | dev | Device number |
1 | ino | Inode number |
2 | mode | Inode protection mode |
3 | nlink | Number of links |
4 | uid | Owner's User ID |
5 | gid | Owner's Group ID |
6 | rdev | Inode device type |
7 | size | Size of the file (in bytes) |
8 | atime | Last access |
9 | mtime | Last modified |
10 | ctime | Last inode change |
11 | blksize | Blocksize of filesystem |
12 | blocks | Number of blocks allocated |
Code
The code below demonstrates how we can use the stat function.
<?php// Ivoking stat() --> array stored in $info$info = stat('Edpresso.txt');// Using key to get access timeecho "Access time: ", $info['atime'];// Using index to get file sizeecho "\nFile size: ", $info[7];?>
Note: The last access, modified, and inode change values are returned as Unix timestamps. This is the number of seconds that have elapsed since
00:00:00UTC on January 1st, 1970.
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