Location for session files in Apache PHP

Question

What is the default location of session files on an installation of Apache PHP on Ubuntu 10 10

User · Answer

The only surefire option to find the current session.save_path value is always to check with phpinfo() in exactly the environment where you want to find out the session storage directory.

Reason: there can be all sorts of things that change session.save_path, either by overriding the php.ini value or by setting it at runtime with ini_set('session.save_path','/path/to/folder');. For example, web server management panels like ISPConfig, Plesk etc. often adapt this to give each website its own directory with session files.

User · Answer

I believe its in  tmp    Check your phpinfo function though  it should say session save path in there somewhere

User · Answer

Another common default location besides  tmp  is  var lib php5

User · Answer

The default session save path is set to    which will evaluate to your system s temp directory  See this comment at https   bugs php net bug php id 26757 stating      The new default for save path in upcoming releaess  sic  will be the empty string  which causes the temporary directory to be probed    You can use sys get temp dir to return the directory path used for temporary files  To find the current session save path  you can use    session save path       Get and or set the current session save path   Refer to this answer to find out what the temp path is when this function returns an empty string

User · Answer

I had the same trouble finding out the correct path for sessions on a Mac  All in all  I found out that the CLI PHP has a different temporary directory than the Apache module  Apache used  var tmp  while CLI used something like  var folders kf hk dyn7s2z9bh7y j59cmb3m0000gn T  But both ways  sys get temp dir   got me the right path when session save path is empty  Using PHP 5 5 4

User · Answer

Non of the above worked for me using the IUS repo for CentOS 7 with PHP 7 2   php -v  gt  PHP 7 2 30  cli   built  Apr 19 2020 00 32 29    NTS    php -r  echo session save path      n    gt    php -r  echo sys get temp dir      n     gt   tmp   However  sessions weren t saved in the  tmp folder  but in the  var lib php mod php session  folder   ls  var lib php mod php session   gt  sess 3cebqoq314pcnc2jgqiu840h0k  sess ck5dtaerol28fpctj6nutbn6fn  sess i24lgt2v2l58op5kfmj1k6qb3h  sess nek5q1alop8fkt84gliie91703  gt  sess 9ff74f4q5ihccnv6com2a8409t  sess dvrt9fmfuolr8bqt9efdpcbj0d  sess igdaksn26hm1s5nfvtjfb53pl7  sess tgf5b7gkgno8kuvl966l9ce7nn

User · Answer

First check the value of session save path using ini get  session save path   or phpinfo    If that is non-empty  then it will show where the session files are saved  In many scenarios it is empty by default  in which case read on   On Ubuntu or Debian machines  if session save path is not set  then session files are saved in  var lib php5     On RHEL and CentOS systems  if session save path is not set  session files will be saved in  var lib php session  I think that if you compile PHP from source  then when session save path is not set  session files will be saved in  tmp  I have not tested this myself though

User · Answer

If unsure of compiled default for session save path  look at the pertinent php ini  Normally  this will show the commented out default value  Ubuntu Debian old new php ini locations  Older php5 with Apache   etc php5 apache2 php ini Older php5 with NGINX FPM   etc php5 fpm php ini Ubuntu 16  with Apache   etc php   apache2 php ini   Ubuntu 16  with NGINX FPM -  etc php   fpm php ini           the current PHP version s  installed on system  To show the PHP version in use under Apache     a2query -m   grep  quot php quot    grep -Eo  quot  0-9     0-9   quot    7 3  Since PHP 7 3 is the version running for this example  you would use that for the php ini     grep  quot session save path quot   etc php 7 3 apache2 php ini    session save path    quot  var lib php sessions quot   Or  combined one-liner    APACHEPHPVER   a2query -m   grep  quot php quot    grep -Eo  quot  0-9     0-9   quot      amp  amp  grep  quot  session save path quot   etc php   APACHEPHPVER  apache2 php ini Result   session save path    quot  var lib php sessions quot   Or  use PHP itself to grab the value using the  quot cli quot  environment  see NOTE below     php -r  echo session save path      quot  n quot     var lib php sessions    These will also work  php -i   grep session save path  php -r  echo phpinfo       grep session save path  NOTE  The  cli   command line  version of php ini normally has the same default values as the Apache2 FPM versions  at least as far as the session save path   You could also use a similar command to echo the web server s current PHP module settings to a webpage and use wget curl to grab the info  There are many posts regarding phpinfo   use in this regard  But  it is quicker to just use the PHP interface or grep for it in the correct php ini to show it s default value  EDIT  Per  aesede comment - gt  Added php -i  Thanks

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