JavaScript Editor Javascript debugger     Website design 

fileperms

Gets file permissions (PHP 4, PHP 5)
int fileperms ( string filename )

Gets permissions for the given file.

Parameters

filename

Path to the file.

Return Values

Returns the permissions on the file, or FALSE in case of an error.

Examples

Example 634. Display permissions as an octal value

<?php
echo substr(sprintf('%o', fileperms('/tmp')), -4);
echo
substr(sprintf('%o', fileperms('/etc/passwd')), -4);
?>

The above example will output:

1777
0644


Example 635. Display full permissions

<?php
$perms
= fileperms('/etc/passwd');

if ((
$perms & 0xC000) == 0xC000) {
   
// Socket
   
$info = 's';
} elseif ((
$perms & 0xA000) == 0xA000) {
   
// Symbolic Link
   
$info = 'l';
} elseif ((
$perms & 0x8000) == 0x8000) {
   
// Regular
   
$info = '-';
} elseif ((
$perms & 0x6000) == 0x6000) {
   
// Block special
   
$info = 'b';
} elseif ((
$perms & 0x4000) == 0x4000) {
   
// Directory
   
$info = 'd';
} elseif ((
$perms & 0x2000) == 0x2000) {
   
// Character special
   
$info = 'c';
} elseif ((
$perms & 0x1000) == 0x1000) {
   
// FIFO pipe
   
$info = 'p';
} else {
   
// Unknown
   
$info = 'u';
}

// Owner
$info .= (($perms & 0x0100) ? 'r' : '-');
$info .= (($perms & 0x0080) ? 'w' : '-');
$info .= (($perms & 0x0040) ?
           ((
$perms & 0x0800) ? 's' : 'x' ) :
           ((
$perms & 0x0800) ? 'S' : '-'));

// Group
$info .= (($perms & 0x0020) ? 'r' : '-');
$info .= (($perms & 0x0010) ? 'w' : '-');
$info .= (($perms & 0x0008) ?
           ((
$perms & 0x0400) ? 's' : 'x' ) :
           ((
$perms & 0x0400) ? 'S' : '-'));

// World
$info .= (($perms & 0x0004) ? 'r' : '-');
$info .= (($perms & 0x0002) ? 'w' : '-');
$info .= (($perms & 0x0001) ?
           ((
$perms & 0x0200) ? 't' : 'x' ) :
           ((
$perms & 0x0200) ? 'T' : '-'));

echo
$info;
?>

The above example will output:

-rw-r--r--


Notes

Note:

The results of this function are cached. See clearstatcache() for more details.

Tip:

As of PHP 5.0.0 this function can also be used with some URL wrappers. Refer to Appendix O, List of Supported Protocols/Wrappers for a listing of which wrappers support stat() family of functionality.