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What is the difference between Drupal::request()->getSession() and Drupal::service('user.private_tempstore')?
The 2019 Stack Overflow Developer Survey Results Are InWhat is the proper way of retrieving and handling sessions when making multiple calls to the API?how could the global $user be different between the Drupal interface and Services module?Authenticated REST requests becoming anonymous userWhat is the right way to force a session start?How to store information in session for anonymous user in a site without a user with uid=0?What's the difference between Drupal 8.0.x and 8.1.x?Difference between browser session and Drupal sessionEvent does not trigger each time I load a pageRestoring tempstore with another session IDDifference between service and plugin?
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As the title suggests, I'm a bit confused about those two methods of creating and accessing a session on Drupal 8. I'm not quite sure when to use the one over the other, could someone point me to the right direction?
My issue started after a Drupal update, where originally I was using this way to start a session for anonymous users on my module:
$request = Drupal::request();
$this->session = $request->getSession();
$session = $this->session->get('mymodule');
After the update, the above code won't create a session for anonymous user and the only way to make it work was this piece of code:
$tempstore = Drupal::service('user.private_tempstore')->get('mymodule_name');
$tempstore->set('my_variable_name', ['test var' => 'this is my value']);
echo '<pre>';
print_r($tempstore->get('my_variable_name'));
echo '</pre>';
So, even though I've managed to make it work, I'm not quite sure why it did work that way.
8 services sessions
add a comment |
As the title suggests, I'm a bit confused about those two methods of creating and accessing a session on Drupal 8. I'm not quite sure when to use the one over the other, could someone point me to the right direction?
My issue started after a Drupal update, where originally I was using this way to start a session for anonymous users on my module:
$request = Drupal::request();
$this->session = $request->getSession();
$session = $this->session->get('mymodule');
After the update, the above code won't create a session for anonymous user and the only way to make it work was this piece of code:
$tempstore = Drupal::service('user.private_tempstore')->get('mymodule_name');
$tempstore->set('my_variable_name', ['test var' => 'this is my value']);
echo '<pre>';
print_r($tempstore->get('my_variable_name'));
echo '</pre>';
So, even though I've managed to make it work, I'm not quite sure why it did work that way.
8 services sessions
1
If you did runcomposer update
recently it could be connected to this (now fixed) issue drupal.org/project/drupal/issues/3045349
– 4k4
Apr 5 at 13:40
Yes, indeed.. In fact I looked at the bug report and I managed to identify the line that caused the issue. It is there, the extra condition that is being inserted:public function save() $this->storage->save(); if ($this->isStarted()) $this->storage->save();
– Spiros
Apr 5 at 16:01
add a comment |
As the title suggests, I'm a bit confused about those two methods of creating and accessing a session on Drupal 8. I'm not quite sure when to use the one over the other, could someone point me to the right direction?
My issue started after a Drupal update, where originally I was using this way to start a session for anonymous users on my module:
$request = Drupal::request();
$this->session = $request->getSession();
$session = $this->session->get('mymodule');
After the update, the above code won't create a session for anonymous user and the only way to make it work was this piece of code:
$tempstore = Drupal::service('user.private_tempstore')->get('mymodule_name');
$tempstore->set('my_variable_name', ['test var' => 'this is my value']);
echo '<pre>';
print_r($tempstore->get('my_variable_name'));
echo '</pre>';
So, even though I've managed to make it work, I'm not quite sure why it did work that way.
8 services sessions
As the title suggests, I'm a bit confused about those two methods of creating and accessing a session on Drupal 8. I'm not quite sure when to use the one over the other, could someone point me to the right direction?
My issue started after a Drupal update, where originally I was using this way to start a session for anonymous users on my module:
$request = Drupal::request();
$this->session = $request->getSession();
$session = $this->session->get('mymodule');
After the update, the above code won't create a session for anonymous user and the only way to make it work was this piece of code:
$tempstore = Drupal::service('user.private_tempstore')->get('mymodule_name');
$tempstore->set('my_variable_name', ['test var' => 'this is my value']);
echo '<pre>';
print_r($tempstore->get('my_variable_name'));
echo '</pre>';
So, even though I've managed to make it work, I'm not quite sure why it did work that way.
8 services sessions
8 services sessions
asked Apr 4 at 12:20
SpirosSpiros
285
285
1
If you did runcomposer update
recently it could be connected to this (now fixed) issue drupal.org/project/drupal/issues/3045349
– 4k4
Apr 5 at 13:40
Yes, indeed.. In fact I looked at the bug report and I managed to identify the line that caused the issue. It is there, the extra condition that is being inserted:public function save() $this->storage->save(); if ($this->isStarted()) $this->storage->save();
– Spiros
Apr 5 at 16:01
add a comment |
1
If you did runcomposer update
recently it could be connected to this (now fixed) issue drupal.org/project/drupal/issues/3045349
– 4k4
Apr 5 at 13:40
Yes, indeed.. In fact I looked at the bug report and I managed to identify the line that caused the issue. It is there, the extra condition that is being inserted:public function save() $this->storage->save(); if ($this->isStarted()) $this->storage->save();
– Spiros
Apr 5 at 16:01
1
1
If you did run
composer update
recently it could be connected to this (now fixed) issue drupal.org/project/drupal/issues/3045349– 4k4
Apr 5 at 13:40
If you did run
composer update
recently it could be connected to this (now fixed) issue drupal.org/project/drupal/issues/3045349– 4k4
Apr 5 at 13:40
Yes, indeed.. In fact I looked at the bug report and I managed to identify the line that caused the issue. It is there, the extra condition that is being inserted:
public function save() $this->storage->save(); if ($this->isStarted()) $this->storage->save();
– Spiros
Apr 5 at 16:01
Yes, indeed.. In fact I looked at the bug report and I managed to identify the line that caused the issue. It is there, the extra condition that is being inserted:
public function save() $this->storage->save(); if ($this->isStarted()) $this->storage->save();
– Spiros
Apr 5 at 16:01
add a comment |
1 Answer
1
active
oldest
votes
The main difference is that session data is stored in the database table sessions
and PrivateTempStore in key_value_expire
. Session data is preloaded in memory, private tempstore data only when requested. Session data is for small amount of data not exceeding a few megabytes, private tempstore for bigger chunks of data you don't want to have in memory when not needed.
What you've posted is not starting a session, it gets a value. You would need to set a value first to start a session.
Yeah, my bad, it is setting the session in another controller, I just wanted to demonstrate the methods that I'm using. Also, I've found this article for a more detailed explanation: palantir.net/blog/d8ftw-storing-data-drupal-8
– Spiros
Apr 4 at 15:24
add a comment |
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1 Answer
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oldest
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1 Answer
1
active
oldest
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active
oldest
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active
oldest
votes
The main difference is that session data is stored in the database table sessions
and PrivateTempStore in key_value_expire
. Session data is preloaded in memory, private tempstore data only when requested. Session data is for small amount of data not exceeding a few megabytes, private tempstore for bigger chunks of data you don't want to have in memory when not needed.
What you've posted is not starting a session, it gets a value. You would need to set a value first to start a session.
Yeah, my bad, it is setting the session in another controller, I just wanted to demonstrate the methods that I'm using. Also, I've found this article for a more detailed explanation: palantir.net/blog/d8ftw-storing-data-drupal-8
– Spiros
Apr 4 at 15:24
add a comment |
The main difference is that session data is stored in the database table sessions
and PrivateTempStore in key_value_expire
. Session data is preloaded in memory, private tempstore data only when requested. Session data is for small amount of data not exceeding a few megabytes, private tempstore for bigger chunks of data you don't want to have in memory when not needed.
What you've posted is not starting a session, it gets a value. You would need to set a value first to start a session.
Yeah, my bad, it is setting the session in another controller, I just wanted to demonstrate the methods that I'm using. Also, I've found this article for a more detailed explanation: palantir.net/blog/d8ftw-storing-data-drupal-8
– Spiros
Apr 4 at 15:24
add a comment |
The main difference is that session data is stored in the database table sessions
and PrivateTempStore in key_value_expire
. Session data is preloaded in memory, private tempstore data only when requested. Session data is for small amount of data not exceeding a few megabytes, private tempstore for bigger chunks of data you don't want to have in memory when not needed.
What you've posted is not starting a session, it gets a value. You would need to set a value first to start a session.
The main difference is that session data is stored in the database table sessions
and PrivateTempStore in key_value_expire
. Session data is preloaded in memory, private tempstore data only when requested. Session data is for small amount of data not exceeding a few megabytes, private tempstore for bigger chunks of data you don't want to have in memory when not needed.
What you've posted is not starting a session, it gets a value. You would need to set a value first to start a session.
answered Apr 4 at 12:58
4k44k4
53.1k561105
53.1k561105
Yeah, my bad, it is setting the session in another controller, I just wanted to demonstrate the methods that I'm using. Also, I've found this article for a more detailed explanation: palantir.net/blog/d8ftw-storing-data-drupal-8
– Spiros
Apr 4 at 15:24
add a comment |
Yeah, my bad, it is setting the session in another controller, I just wanted to demonstrate the methods that I'm using. Also, I've found this article for a more detailed explanation: palantir.net/blog/d8ftw-storing-data-drupal-8
– Spiros
Apr 4 at 15:24
Yeah, my bad, it is setting the session in another controller, I just wanted to demonstrate the methods that I'm using. Also, I've found this article for a more detailed explanation: palantir.net/blog/d8ftw-storing-data-drupal-8
– Spiros
Apr 4 at 15:24
Yeah, my bad, it is setting the session in another controller, I just wanted to demonstrate the methods that I'm using. Also, I've found this article for a more detailed explanation: palantir.net/blog/d8ftw-storing-data-drupal-8
– Spiros
Apr 4 at 15:24
add a comment |
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1
If you did run
composer update
recently it could be connected to this (now fixed) issue drupal.org/project/drupal/issues/3045349– 4k4
Apr 5 at 13:40
Yes, indeed.. In fact I looked at the bug report and I managed to identify the line that caused the issue. It is there, the extra condition that is being inserted:
public function save() $this->storage->save(); if ($this->isStarted()) $this->storage->save();
– Spiros
Apr 5 at 16:01