[RESOLVED] disk_total_space return two results

[sela]

Hello, there!
I wrote this message because when using disk_total_space I got a different result than the one in the book. I suspect that my computer generates a different result. Am I right? Any suggestions are welcome. Thanks for your attention.

//for php 5.3. or 5.4
$systempartitions = array("/", "/home","/usr", "/var");
foreach ($systempartitions as $partition) {
	$totalSpace = disk_total_space($partition) / pow(1024, 2);
	$usedSpace = $totalSpace - disk_free_space($partition) / pow(1024, 2);
	echo "Partition: $partition (Allocated: $totalSpace MB. Used: $usedSpace MB.)\n"; 
}

My output:
Partition: /		(Allocated: 50079.953125 MB. Used: 21962.6875 MB.)
Partition: /home	(Allocated: 50079.953125 MB. Used: 21962.6875 MB.)
Partition: /usr		(Allocated: 50079.953125 MB. Used: 21962.6875 MB.)
Partition: /var		(Allocated: 50079.953125 MB. Used: 21962.6875 MB.)

The result given in the book:
Partition: / (Allocated: 3099.292 MB. Used: 343.652 MB.)
Partition: /home (Allocated: 5510.664 MB. Used: 344.448 MB.)
Partition: /usr (Allocated: 4127.108 MB. Used: 1985.716 MB.)
Partition: /usr/local/apache2/htdocs (Allocated: 4127.108 MB. Used: 1985.716 MB.)

[Derokorian]

of course it would be a different result than in the book, because the book authors aren't on your computer getting the same files taking up the same space. Just like I guarantee my C:\ drive would have different numbers than probably everyone on this forum who has a C:\ drive.

[sela]

I checked my installed hard disk size in Linux using the Linux command df -h. I got similar results.

output from above script:
Partition: / (Allocated: 49 GB. Used: 22 GB.)

the linux command: df -h gave me this:
System plików  rozm. użyte dost. %uż. zamont. na
/dev/sda5        49G   20G   28G  41% /

I rethought about my question. Why I got all the same the data? Why all the data are the same?

Partition: / (Allocated: 49 GB. Used: 22 GB.)

But various partitions must be of a different size.

[dagon]

you are returning the size of '/' for the directories you loop through; disk_total_space() returns the size of the partition they are on. As they are all on the same partition, you get the same value for each.

I believe you are confusing partitions and directories.

the book writer has /home /usr /var partitions
you have /home /usr /var directories

[sela]

Thank you 🙂