Where are SESSION variables stored

Question

Are   SESSION variables stored on the client or the server

User · Answer

They re generally stored on the server  Where they re stored is up to you as the developer  You can use the session save handler configuration variable and the session set save handler to control how sessions get saved on the server  The default save method is to save sessions to files  Where they get saved is controlled by the session save path variable

User · Answer

As mentioned already  the contents are stored at the server  However the session is identified by a session-id  which is stored at the client and send with each request  Usually the session-id is stored in a cookie  but it can also be appended to urls   That s the PHPSESSID query-parameter you some times see

User · Answer

The location of the   SESSION variable storage is determined by PHP s session save path configuration  Usually this is  tmp on a Linux Unix system  Use the phpinfo   function to view your particular settings if not 100  sure by creating a file with this content in the DocumentRoot of your domain    lt  php     phpinfo      gt    Here is the link to the PHP documentation on this configuration setting   http   php net manual en session configuration php ini session save-path

User · Answer

How does it work  How does it know it s me   Most sessions set a user-key called the sessionid  on the user s computer that looks something like this  765487cf34ert8dede5a562e4f3a7e12  Then  when a session is opened on another page  it scans the computer for a user-key and runs to the server to get your variables   If you mistakenly clear the cache  then your user-key will also be cleared  You won t be able to get your variables from the server any more since you don t know your id

User · Answer

One addition  It should be noted that  in case   tmp  is the directory where the session data is stored  which seems to be the default value   the sessions will not persist after reboot of that web server  as   tmp  is often purged during reboot  The concept of a client-wise persistence stands and falls with the persistence of the storage on the server - which might fail if the   tmp  directory is used for session data

User · Answer

On Debian  isn t this the case for most Linux distros    it s saved in  var lib php5   As mentioned above  it s configured in your php ini

User · Answer

In my Ubuntu machine sessions are stored at   var lib php sessions   and you have to sudo ls in this directory only ls it will throw      ls  cannot open directory      Permission denied   And on my Windows Wamp server php sessions are stored in  C  wamp64 tmp   and if you install standalone php on windows then there is no value set by default  session save path   gt  no value   gt  no value

User · Answer

As mentioned already  the contents are stored at the server  However the session is identified by a session-id  which is stored at the client and send with each request  Usually the session-id is stored in a cookie  but it can also be appended to urls   That s the PHPSESSID query-parameter you some times see

User · Answer

I am using Ubuntu and my sessions are stored in  var lib php5

User · Answer

They re generally stored on the server  Where they re stored is up to you as the developer  You can use the session save handler configuration variable and the session set save handler to control how sessions get saved on the server  The default save method is to save sessions to files  Where they get saved is controlled by the session save path variable

User · Answer

As Mr  Taylor pointed out this is usually set in php ini   Usually they are stored as files in a specific directory

User · Answer

On Debian  isn t this the case for most Linux distros    it s saved in  var lib php5   As mentioned above  it s configured in your php ini

User · Answer

Many of the answers above are opaque  In my opinion the author of this question simply wants to know where session variables are stored by default  According to this https   canvas seattlecentral edu courses 937693 pages 10-advanced-php-sessions they are simply stored on the server by default  Hopefully  others will find this contribution meaningful

User · Answer

The location of the   SESSION variable storage is determined by PHP s session save path configuration  Usually this is  tmp on a Linux Unix system  Use the phpinfo   function to view your particular settings if not 100  sure by creating a file with this content in the DocumentRoot of your domain    lt  php     phpinfo      gt    Here is the link to the PHP documentation on this configuration setting   http   php net manual en session configuration php ini session save-path

User · Answer

They re generally stored on the server  Where they re stored is up to you as the developer  You can use the session save handler configuration variable and the session set save handler to control how sessions get saved on the server  The default save method is to save sessions to files  Where they get saved is controlled by the session save path variable

User · Answer

On Debian  isn t this the case for most Linux distros    it s saved in  var lib php5   As mentioned above  it s configured in your php ini

User · Answer

I am using Ubuntu and my sessions are stored in  var lib php5

User · Answer

As Mr  Taylor pointed out this is usually set in php ini   Usually they are stored as files in a specific directory

User · Answer

For ubuntu 16 10 are sessions save in  var lib php session

User · Answer

As mentioned already  the contents are stored at the server  However the session is identified by a session-id  which is stored at the client and send with each request  Usually the session-id is stored in a cookie  but it can also be appended to urls   That s the PHPSESSID query-parameter you some times see

User · Answer

How does it work  How does it know it s me   Most sessions set a user-key called the sessionid  on the user s computer that looks something like this  765487cf34ert8dede5a562e4f3a7e12  Then  when a session is opened on another page  it scans the computer for a user-key and runs to the server to get your variables   If you mistakenly clear the cache  then your user-key will also be cleared  You won t be able to get your variables from the server any more since you don t know your id

User · Answer

In my Ubuntu machine sessions are stored at   var lib php sessions   and you have to sudo ls in this directory only ls it will throw      ls  cannot open directory      Permission denied   And on my Windows Wamp server php sessions are stored in  C  wamp64 tmp   and if you install standalone php on windows then there is no value set by default  session save path   gt  no value   gt  no value

User · Answer

They re generally stored on the server  Where they re stored is up to you as the developer  You can use the session save handler configuration variable and the session set save handler to control how sessions get saved on the server  The default save method is to save sessions to files  Where they get saved is controlled by the session save path variable

User · Answer

As Mr  Taylor pointed out this is usually set in php ini   Usually they are stored as files in a specific directory

User · Answer

For ubuntu 16 10 are sessions save in  var lib php session

User · Answer

One addition  It should be noted that  in case   tmp  is the directory where the session data is stored  which seems to be the default value   the sessions will not persist after reboot of that web server  as   tmp  is often purged during reboot  The concept of a client-wise persistence stands and falls with the persistence of the storage on the server - which might fail if the   tmp  directory is used for session data

User · Answer

Many of the answers above are opaque  In my opinion the author of this question simply wants to know where session variables are stored by default  According to this https   canvas seattlecentral edu courses 937693 pages 10-advanced-php-sessions they are simply stored on the server by default  Hopefully  others will find this contribution meaningful

User · Answer

The location of the   SESSION variable storage is determined by PHP s session save path configuration  Usually this is  tmp on a Linux Unix system  Use the phpinfo   function to view your particular settings if not 100  sure by creating a file with this content in the DocumentRoot of your domain    lt  php     phpinfo      gt    Here is the link to the PHP documentation on this configuration setting   http   php net manual en session configuration php ini session save-path

User · Answer

On Debian  isn t this the case for most Linux distros    it s saved in  var lib php5   As mentioned above  it s configured in your php ini

User · Answer

The location of the   SESSION variable storage is determined by PHP s session save path configuration  Usually this is  tmp on a Linux Unix system  Use the phpinfo   function to view your particular settings if not 100  sure by creating a file with this content in the DocumentRoot of your domain    lt  php     phpinfo      gt    Here is the link to the PHP documentation on this configuration setting   http   php net manual en session configuration php ini session save-path

User · Answer

As mentioned already  the contents are stored at the server  However the session is identified by a session-id  which is stored at the client and send with each request  Usually the session-id is stored in a cookie  but it can also be appended to urls   That s the PHPSESSID query-parameter you some times see

User · Answer

As Mr  Taylor pointed out this is usually set in php ini   Usually they are stored as files in a specific directory

[php] Where are $_SESSION variables stored?

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