User home directory php

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Referencing the home directory in CLI PHP
3 Answers 3
PHP. Get user home directory (for virtual hosting)
3 Answers 3
How to find user’s home directory on Windows and Linux in PHP
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Referencing the home directory in CLI PHP

‘$HOME/Documents/someFile.txt’ — variables don’t get parsed in single quotes, the $HOME ‘s value is unknown.

3 Answers 3

The expansion of ~ and $HOME is done by your shell, not by PHP. Depending on your config, you can probably use:

$data = file_get_contents($_SERVER['HOME'] . '/Documents/someFile.txt');

Use getenv(‘HOME’) or $_SERVER[‘HOME’] . You cannot use $HOME in single quotes because its literal will be used, and ~ isn’t known by php.

Thanks. that works. I was purposefully trying to use it in single quote as its not a PHP variable. I thought it would work as string in command line. Clearly, I need more research into using php in the cli.

$data = file_get_contents('$HOME/Documents/someFile.txt');

You never set the variable $HOME . HOME is an environment variable, but they don’t automatically become PHP variables like they do in the shell.
Variables aren’t expanded inside single quotes, see What is the difference between single-quoted and double-quoted strings in PHP? (not coincidentally, this is the same as the shell).

$HOME = getenv('HOME'); $data = file_get_contents("$HOME/Documents/someFile.txt");

Yes, i’m aware of the differences between single/double quotes in both php and bash. I didn’t however realize I had to pass the $HOME environment variable to PHP. My thought was to simply pass the path to file_get_contents as string as I would normally navigate in cli.

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PHP. Get user home directory (for virtual hosting)

It’s working correctly on my local server, on Amazon instances. But it outputs only «~» on virtual hosting. Maybe, do you have working solution for getting home directory of current user? Thanks in advance

Was this question about Linux or. in general? I ask that since in some comments I’ve seen some people commenting about Microsoft Windows, and they probably would like to answer about it without downvotes. Thanks for this clarification

3 Answers 3

I founded working solution:

$user = posix_getpwuid(posix_getuid())

This returns the array, e.g.

Array ( [name] => username [passwd] => ******** [uid] => 501 [gid] => 20 [gecos] => Full Name [dir] => /home/username [shell] => /bin/bash )

So to access user home dir, it’s $user[‘dir’] .

Also note that you may be interested in posix_geteuid() (effective UID) instead of posix_getuid() (real UID) — php.net/manual/en/function.posix-geteuid.php

Use $_SERVER[‘HOME’] or you can try with

Note: This requires that you execute the script via the command-line.

On most regular servers, those daemons (apache, nginx, etc.) have no real «home directory».

If you consider «virtual hosting», that wouldn’t be possible, as there can only be one home directory per user, but many vhosts per daemon.

I guess what you are looking for, ist the environment variable DOCUMENT_ROOT (the root directory for the current vhost documents).

Note that the original questioner is running shell commands with shell_exec so I really think the user is interested in having the Unix/Linux HOME, to run some commands using that, and the user is probably not interested in the document root. But I agree this is still useful to clarify

This question is in a collective: a subcommunity defined by tags with relevant content and experts.

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How to find user’s home directory on Windows and Linux in PHP

Solution:

After not working on this for a long time, I finally decided to definitely answer this question.

There are some usefull environment variables defined on Windows: USERPROFILE , APPDATA , LOCALAPPDATA . They are easily accessible via getenv() function:

getenv('USERPROFILE');

So, on Windows, it seems to be reliable.

If you need to store data for the current user, APPDATA and LOCALAPPDATA are good variables to find that place.

I’ve written a package to make these tools reusable: https://github.com/Arcesilas/Platform

It’s still work in progress and certainly needs to be improved. Any help is welcome to make this tool reliable on any platform.

Thanks to eryksun whose comments helped a lot in solving this question.

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