PHP Whoami www data table
Short version of the question:
What's the difference between and?
Long version of the question:
- I'm on a XAMPP Localhost on a Mac.
- I'm using Apache, building a PHP based website in a folder (let's call it folderxyz) within the htdocs folder (var / www in some flavors of Linux + Apache).
- I was playing around with a database connection, testing out PDO :: ERRMODE_EXCEPTION described here: Link
And I got this error:
file_put_contents (PDOErrors.txt): failed to open stream: Permission denied ...
So I did some sleuthing around and it seems that to fix this I need to change the settings of the file PDOErrors.txt to 777.
However, my questions are about something else. During this process I realized that I don't clearly understand the concept of in Apache, PHP, and MySQL.
- The PHP manual says that "Gets the name of the owner of the current PHP script"link
- The PHP manual says that returns "the username that owns the running php / httpd process"link
- When I use, I get my, which is my account name on my Mac.
- When I use, I get.
- What's the relationship between and?
- What's the relationship between the "the owner of the current PHP script" other "username that owns the running php / httpd process" ?
- Who needs permission to write to PDOErrors.txt? Is it or?
- Who needs permission to write to PDOErrors.txt? Is it Apache or PHP (or both)?
- Does the concept of a unix-like account factor-in anywhere here?
Edit: I updated this to reflect that it wasn't the folderxyz that I had to change CHMOD settings for. I had to change the settings for the file PDOErrors.txt
OP here: for future reference, I put up a parallel question for the Linux platform here (with an accompanying intuitive explanation of what's going on): https://stackoverflow.com/questions/31389892/why-is-the-output- www-data-in-one-case-and-root-in-another
- Which means wherever the situation is
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