title: session_start() failed: Permission denied (13)
body: <p>OK, I've managed to screw up my permissions while attempting to allow a script to mkdir(). Here's what my permission currently show - could somehow please tell me what they should be in order to get back to normal?</p>
  
  <p>XAMPP/:</p>
  
  <pre><code>drwxr-xr-x   8 root      admin      272 Feb 27  2010 XAMPP
  
  drwxr-xr-x   3 username  admin  102 Feb 27  2010 XAMPP Control.app
  lrwxr-xr-x   1 username  admin   18 Oct 26  2010 cgi-bin -&gt; xamppfiles/cgi-bin
  lrwxr-xr-x   1 username  admin   14 Oct 26  2010 etc -&gt; xamppfiles/etc
  lrwxr-xr-x   1 username  admin   17 Oct 26  2010 htdocs -&gt; xamppfiles/htdocs
  lrwxr-xr-x   1 username  admin   15 Oct 26  2010 logs -&gt; xamppfiles/logs
  drwxr-xr-x  24 root      admin  816 Feb 26 13:30 xamppfiles
  </code></pre>
  
  <p>xamppfiles/:</p>
  
  <pre><code>drwxr-xr-x  258 root  admin   8772 Feb 27  2010 bin
  drwxr-xr-x    4 root  admin    136 Feb 27  2010 cgi-bin
  drwxr-xr-x    3 root  admin    102 Feb 27  2010 doc
  drwxr-xr-x   23 root  admin    782 Feb 27  2010 error
  drwxr-xr-x   24 root  admin    816 Feb 27  2010 etc
  drwxr-xr-x+  15 root  admin    510 Feb 26 13:59 htdocs
  drwxr-xr-x  160 root  admin   5440 Feb 27  2010 icons
  drwxr-xr-x  137 root  admin   4658 Feb 27  2010 lib
  drwxr-xr-x    2 root  admin     68 Feb 27  2010 libexec
  drwxr-xr-x   33 root  admin   1122 Feb 27  2010 licences
  drwxr-xr-x    8 root  admin    272 Feb 26 12:00 logs
  drwxr-xr-x   75 root  admin   2550 Feb 27  2010 modules
  drwxr-xr-x   99 root  admin   3366 Feb 27  2010 phpmyadmin
  drwxr-xr-x    8 root  admin    272 Feb 27  2010 sbin
  drwxr-xr-x+   2 root  admin     68 Feb 26 13:30 session
  drwxr-xr-x   16 root  admin    544 Feb 27  2010 share
  drwxr-xr-x   29 root  admin    986 Feb 27  2010 sql-bench
  drwxr-xr-x+   4 root  admin    136 Feb 26 12:51 temp
  drwxr-xr-x    3 root  admin    102 Feb 27  2010 var
  -rwxr-xr-x    1 root  admin  14339 Feb 27  2010 xampp
  -rw-r--r--    1 root  admin   6385 Feb 27  2010 xampp.pot
  </code></pre>
  
  <p>In htdocs/testsession/:</p>
  
  <pre><code>drwxr-xr-x+  3 root  admin    102 Feb 26 14:01 testsession
  
  -rw-r--r--@ 1 root  admin  957 Feb 26 14:16 index.php
  </code></pre>
  
  <p>My testsession/index.php:</p>
  
  <pre><code>&lt;?php
  // Set the error reporting level
  error_reporting(E_ALL);
  ini_set("display_errors", 1);
  // Start a PHP session
  session_start();    
  ?&gt;
  </code></pre>
  
  <p>and the errors:</p>
  
  <pre><code>/Applications/XAMPP/xamppfiles/session
  Warning: session_start() [function.session-start]: open(/Applications/XAMPP/xamppfiles/temp//sess_1b9827985300349847f0169f1031b113, O_RDWR) failed: Permission denied (13) in /Applications/XAMPP/xamppfiles/htdocs/testsession/index.php on line 10
  
  Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /Applications/XAMPP/xamppfiles/htdocs/testsession/index.php:7) in /Applications/XAMPP/xamppfiles/htdocs/testsession/index.php on line 10
  
  Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /Applications/XAMPP/xamppfiles/htdocs/testsession/index.php:7) in /Applications/XAMPP/xamppfiles/htdocs/testsession/index.php on line 10
  
  Warning: Unknown: open(/Applications/XAMPP/xamppfiles/temp//sess_1b9827985300349847f0169f1031b113, O_RDWR) failed: Permission denied (13) in Unknown on line 0
  
  Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/Applications/XAMPP/xamppfiles/temp/) in Unknown on line 0
  </code></pre>