--TEST--
Test fileatime(), filemtime(), filectime() & touch() functions : usage variation
--CREDITS--
Dave Kelsey <d_kelsey@uk.ibm.com>
--SKIPIF--
<?php
if (substr(PHP_OS, 0, 3) == 'WIN') {
    die('skip.. only for Non Windows Systems');
}
?>
--FILE--
<?php
/*
   Prototype: int fileatime ( string $filename );
   Description: Returns the time the file was last accessed, or FALSE
     in case of an error. The time is returned as a Unix timestamp.

   Prototype: int filemtime ( string $filename );
   Description: Returns the time the file was last modified, or FALSE
     in case of an error.

   Prototype: int filectime ( string $filename );
   Description: Returns the time the file was last changed, or FALSE
     in case of an error. The time is returned as a Unix timestamp.

   Prototype: bool touch ( string $filename [, int $time [, int $atime]] );
   Description: Attempts to set the access and modification times of the file
     named in the filename parameter to the value given in time.
*/

/*
   Prototype: void stat_fn(string $filename);
   Description: Prints access, modification and change times of a file
*/
function stat_fn( $filename ) {
  echo "\n-- File '$filename' --\n";
  echo "-- File access time is => ";
  echo fileatime($filename)."\n";
  clearstatcache();
  echo "-- File modification time is => ";
  echo filemtime($filename)."\n";
  clearstatcache();
  echo "-- inode change time is => ";
  echo filectime($filename)."\n";
  clearstatcache();


}

echo "*** Testing fileattime(), filemtime(), filectime() & touch() : usage variations ***\n";
echo "\n*** testing touch ***\n";
$a = touch(NULL);
$b = touch(false);
$c = touch('');
$d = touch(' ');
$e = touch('|');

var_dump($a);
var_dump($b);
var_dump($c);
var_dump($d);
var_dump($e);

echo "\n*** testing file info ***";
stat_fn(NULL);
stat_fn(false);
stat_fn('');
stat_fn(' ');
stat_fn('|');

var_dump(unlink(' '));
var_dump(unlink('|'));

echo "Done";
?>
--EXPECTF--
*** Testing fileattime(), filemtime(), filectime() & touch() : usage variations ***

*** testing touch ***
bool(false)
bool(false)
bool(false)
bool(true)
bool(true)

*** testing file info ***
-- File '' --
-- File access time is => 
-- File modification time is => 
-- inode change time is => 

-- File '' --
-- File access time is => 
-- File modification time is => 
-- inode change time is => 

-- File '' --
-- File access time is => 
-- File modification time is => 
-- inode change time is => 

-- File ' ' --
-- File access time is => %d
-- File modification time is => %d
-- inode change time is => %d

-- File '|' --
-- File access time is => %d
-- File modification time is => %d
-- inode change time is => %d
bool(true)
bool(true)
Done