PHP fileowner() Function

In this chapter you will learn:

  1. Definition for PHP fileowner() Function
  2. Syntax for PHP fileowner() Function
  3. Parameter for PHP fileowner() Function
  4. Return for PHP fileowner() Function
  5. Note for PHP filemtime() Function
  6. Example - Get the file owner

Definition

The fileowner() function returns the user ID (owner) of the specified file.

Syntax

PHP fileowner() Function has the following syntax.

fileowner(filename)

Parameter

ParameterIs RequiredDescription
filenameRequired.File to check

Return

This function returns the user ID on success or FALSE on failure.

Note

Use posix_getpwuid() to convert the user ID to a user name.

The result of this function are cached. Use clearstatcache() to clear the cache.

This function doesn't produce meaningful results on Windows systems.

Example

To read the owner of a file, use the fileowner() function, which takes a filename and returns the ID of the file's owner.


<?PHP/*from  ja v  a2s .com*/
     $owner = fileowner("test.txt");
     if ($owner != 0) {
             print "Warning: /etc/passwd isn't owned by root!";
     }
     
     echo fileowner("test.txt");
?>

The code above generates the following result.

Next chapter...

What you will learn in the next chapter:

  1. Definition for PHP fileperms() Function
  2. Syntax for PHP fileperms() Function
  3. Parameter for PHP fileperms() Function
  4. Return for PHP fileperms() Function
  5. Note for PHP filemtime() Function
  6. Example - Get the file permission
  7. Example - Display permissions as an octal value
Home » PHP Tutorial » PHP File Functions
PHP basename() function
PHP chdir() function
PHP chgrp() Function
PHP chmod() Function
PHP chown() Function
PHP chroot() Function
PHP clearstatcache() Function
PHP closedir() Function
PHP copy() Function
PHP delete() function
PHP dir() Function
PHP dirname() Function
PHP disk_free_space() Function
PHP disk_total_space() Function
PHP diskfreespace() Function
PHP fclose() Function
PHP feof() Function
PHP fflush() Function
PHP fgetc() Function
PHP fgets() Function
PHP fgetss() Function
PHP file() Function
PHP file_exists() Function
PHP file_get_contents() Function
PHP file_put_contents() Function
PHP fileatime() Function
PHP filectime() Function
PHP filegroup() Function
PHP fileinode() Function
PHP filemtime() Function
PHP fileowner() Function
PHP fileperms() Function
PHP filesize() Function
PHP filetype() Function
PHP flock() Function
PHP fnmatch() Function
PHP fopen() Function
PHP fpassthru() Function
PHP fprintf() Function
PHP fputcsv() Function
PHP fputs() Function
PHP fread() Function
PHP fscanf() Function
PHP fseek() Function
PHP fstat() Function
PHP ftell() Function
PHP ftruncate() Function
PHP fwrite() Function
PHP getcwd() function
PHP glob() Function
PHP is_dir() Function
PHP is_executable() Function
PHP is_file() Function
PHP is_link() Function
PHP is_readable() Function
PHP is_uploaded_file() Function
PHP is_writable() Function
PHP link() Function
PHP linkinfo() Function
PHP lstat() Function
PHP md5_file() Function
PHP mkdir() Function
PHP move_uploaded_file() Function
PHP opendir() Function
PHP parse_ini_file() Function
PHP pathinfo() Function
PHP pclose() Function
PHP popen() Function
PHP readdir() Function
PHP readfile() Function
PHP readlink() Function
PHP realpath() Function
PHP rename() Function
PHP rewind() Function
PHP rewinddir() Function
PHP rmdir() Function
PHP scandir() Function
PHP set_file_buffer() Function
PHP sha1_file() Function
PHP stat() Function
PHP symlink() Function
PHP tempnam() Function
PHP tmpfile() Function
PHP touch() Function
PHP umask() Function
PHP unlink() Function
PHP vfprintf() Function