hi I am vijay
how r the unix gurus?
I want to install unix for our sites.So pls tell me abt unix installation user guide & also all the unix commands.Pls help me.I am waiting for yr reply.
bye..........vijay :D (2 Replies)
HI Friends,
I wanted to start this thread inorder to keep all the Unix starters to easily find useful material through this thread...I request you all to provide with the URL address of any gud material you know...
thanks and regards... (2 Replies)
Hi, I need some help with the follow questions :(. Any help would be great!
Answer with the necessary commands
1. In your login directory, make a directory called week4/revision
2. Without changing directories, make another directory week4_revision/data
3. Change to week4_revision/data... (2 Replies)
Hi,
I want to prepare and then appear for Unix admin certification. Please guide me for the study material and Exams that are required to be taken for UNIX certifcation.
Thanks in advance. (11 Replies)
Hi..
I am a new joinee to this foram.I need to submit a case study in UNIX .Please help me to submit the case study by giving your valuable ideas.It will be very helpful for me.
Topic: Unix File Management
A university wants to computerize its Library operations because of... (2 Replies)
Hi all,
I hope you are fine,
I'd like study Os I tried a book like Silberschatz it's a good book but like
other books it talks about the concepts abstractly and that's due to it try
to encompass many concepts from many operating systems in GENERAL.
i am not too much comfortable from these... (20 Replies)
Discussion started by: Abdo_8008
20 Replies
LEARN ABOUT PHP
touch
TOUCH(3) 1 TOUCH(3)touch - Sets access and modification time of fileSYNOPSIS
bool touch (string $filename, [int $time = 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. Note that the
access time is always modified, regardless of the number of parameters.
If the file does not exist, it will be created.
PARAMETERS
o $filename
- The name of the file being touched.
o $time
- The touch time. If $time is not supplied, the current system time is used.
o $atime
- If present, the access time of the given filename is set to the value of $atime. Otherwise, it is set to the value passed to the
$time parameter. If neither are present, the current system time is used.
RETURN VALUES
Returns TRUE on success or FALSE on failure.
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.3.0 | |
| | |
| | It became possible to change the modification |
| | time of a directory under Windows. |
| | |
+--------+---------------------------------------------------+
EXAMPLES
Example #1
touch(3) example
<?php
if (touch($filename)) {
echo $filename . ' modification time has been changed to present time';
} else {
echo 'Sorry, could not change modification time of ' . $filename;
}
?>
Example #2
touch(3) using the $time parameter
<?php
// This is the touch time, we'll set it to one hour in the past.
$time = time() - 3600;
// Touch the file
if (!touch('some_file.txt', $time)) {
echo 'Whoops, something went wrong...';
} else {
echo 'Touched file with success';
}
?>
NOTES
Note
Note that time resolution may differ from one file system to another.
Warning
Prior to PHP 5.3.0 it was not possible to change the modification time of a directory with this function under Windows.
PHP Documentation Group TOUCH(3)