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How do I make the same variable available to all my theme files?

Variable available everywhere in template?How to make the pdf files downloadable?How do I use a preprocess function for a node template?How do I pass a theme variable from a template to another?How do i get the all the regions available in the current theme programatically?Pass variables from one preprocess function to another in .themeHow do I integrate the Color module in my theme?Make variable available in template filePass data to hook_preprocess_html from custom moduleCustom theme: variable not made available in menu template

.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty
margin-bottom:0;

3

2

In mytheme.theme I have the following:

function mytheme_preprocess(&$variables) 
 $current_path = Drupal::service('path.current')->getPath();
 $result = Drupal::service('path.alias_manager')->getAliasByPath($current_path);
 $variables['currenttab'] = explode('/', $result)[1];

This function is extracting the first dirname from my url, for example, httttp://server/dirname/pagename it sets currenttab to 'dirname'.

It is working reasonably well, but I notice that if I click around on my site in a specific way, occasionally I get a page where the sidebar template has the correct currenttab but the navbar has the currenttab value from an older page.

I thought this theme preprocess would make currenttab be the same in all my theme templates, but that does not appear to be the case. Once this problem appears, I can reload the page many times and it persists. I think this is related to the order in which I change urls.

What is going on here?

theming

share|improve this question

edited 11 hours ago

Innovine

asked 11 hours ago

InnovineInnovine

12266 bronze badges

add a comment
 | 

3

2

In mytheme.theme I have the following:

function mytheme_preprocess(&$variables) 
 $current_path = Drupal::service('path.current')->getPath();
 $result = Drupal::service('path.alias_manager')->getAliasByPath($current_path);
 $variables['currenttab'] = explode('/', $result)[1];

This function is extracting the first dirname from my url, for example, httttp://server/dirname/pagename it sets currenttab to 'dirname'.

It is working reasonably well, but I notice that if I click around on my site in a specific way, occasionally I get a page where the sidebar template has the correct currenttab but the navbar has the currenttab value from an older page.

I thought this theme preprocess would make currenttab be the same in all my theme templates, but that does not appear to be the case. Once this problem appears, I can reload the page many times and it persists. I think this is related to the order in which I change urls.

What is going on here?

theming

share|improve this question

edited 11 hours ago

Innovine

asked 11 hours ago

InnovineInnovine

12266 bronze badges

add a comment
 | 

In mytheme.theme I have the following:

function mytheme_preprocess(&$variables) 
 $current_path = Drupal::service('path.current')->getPath();
 $result = Drupal::service('path.alias_manager')->getAliasByPath($current_path);
 $variables['currenttab'] = explode('/', $result)[1];

This function is extracting the first dirname from my url, for example, httttp://server/dirname/pagename it sets currenttab to 'dirname'.

It is working reasonably well, but I notice that if I click around on my site in a specific way, occasionally I get a page where the sidebar template has the correct currenttab but the navbar has the currenttab value from an older page.

I thought this theme preprocess would make currenttab be the same in all my theme templates, but that does not appear to be the case. Once this problem appears, I can reload the page many times and it persists. I think this is related to the order in which I change urls.

What is going on here?

theming

share|improve this question

edited 11 hours ago

Innovine

asked 11 hours ago

InnovineInnovine

12266 bronze badges

function mytheme_preprocess(&$variables) 
 $current_path = Drupal::service('path.current')->getPath();
 $result = Drupal::service('path.alias_manager')->getAliasByPath($current_path);
 $variables['currenttab'] = explode('/', $result)[1];

share|improve this question

edited 11 hours ago

Innovine

asked 11 hours ago

InnovineInnovine

12266 bronze badges

share|improve this question

edited 11 hours ago

Innovine

asked 11 hours ago

InnovineInnovine

12266 bronze badges

asked 11 hours ago

InnovineInnovine

12266 bronze badges

asked 11 hours ago

InnovineInnovine

12266 bronze badges

1 Answer
1

active

oldest

votes

5

You would have to add a cache context:

$variables['#cache']['contexts'][] = 'url.path';

Now you cache for each relative path a different version of the template.

However, it is not a good idea to add this context to all templates. Only add it to those templates you intend to use the variable, otherwise you fill up your cache with a lot of useless variations:

function mytheme_preprocess(&$variables, $hook) 
 if (in_array($hook, ['foo', 'bar'])) 
 $variables['#cache']['contexts'][] = 'url.path';
 // add variables depending on the relative url
 

share|improve this answer

edited 10 hours ago

answered 11 hours ago

4k44k4

59k55 gold badges7474 silver badges120120 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I added this to my single preprocess function and it looks like it solves it, much thanks!! When you say "add it to those templates you intend to use.." do you mean I should have a preprocess hook for that template, and not have the cache in the most general preprocess function?
  
  – Innovine
  11 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You can still use the generic preprocess hook, but check $hook for the templates you want to target. See the code example I've added to the answer.
  
  – 4k4
  10 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I'm digging into it now, thanks again!
  
  – Innovine
  10 hours ago
  

  
  
  
  

add a comment
 | 

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5

You would have to add a cache context:

$variables['#cache']['contexts'][] = 'url.path';

Now you cache for each relative path a different version of the template.

However, it is not a good idea to add this context to all templates. Only add it to those templates you intend to use the variable, otherwise you fill up your cache with a lot of useless variations:

function mytheme_preprocess(&$variables, $hook) 
 if (in_array($hook, ['foo', 'bar'])) 
 $variables['#cache']['contexts'][] = 'url.path';
 // add variables depending on the relative url
 

share|improve this answer

edited 10 hours ago

answered 11 hours ago

4k44k4

59k55 gold badges7474 silver badges120120 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I added this to my single preprocess function and it looks like it solves it, much thanks!! When you say "add it to those templates you intend to use.." do you mean I should have a preprocess hook for that template, and not have the cache in the most general preprocess function?
  
  – Innovine
  11 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You can still use the generic preprocess hook, but check $hook for the templates you want to target. See the code example I've added to the answer.
  
  – 4k4
  10 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I'm digging into it now, thanks again!
  
  – Innovine
  10 hours ago
  

  
  
  
  

add a comment
 | 

5

You would have to add a cache context:

$variables['#cache']['contexts'][] = 'url.path';

Now you cache for each relative path a different version of the template.

However, it is not a good idea to add this context to all templates. Only add it to those templates you intend to use the variable, otherwise you fill up your cache with a lot of useless variations:

function mytheme_preprocess(&$variables, $hook) 
 if (in_array($hook, ['foo', 'bar'])) 
 $variables['#cache']['contexts'][] = 'url.path';
 // add variables depending on the relative url
 

share|improve this answer

edited 10 hours ago

answered 11 hours ago

4k44k4

59k55 gold badges7474 silver badges120120 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I added this to my single preprocess function and it looks like it solves it, much thanks!! When you say "add it to those templates you intend to use.." do you mean I should have a preprocess hook for that template, and not have the cache in the most general preprocess function?
  
  – Innovine
  11 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You can still use the generic preprocess hook, but check $hook for the templates you want to target. See the code example I've added to the answer.
  
  – 4k4
  10 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I'm digging into it now, thanks again!
  
  – Innovine
  10 hours ago
  

  
  
  
  

add a comment
 | 

You would have to add a cache context:

$variables['#cache']['contexts'][] = 'url.path';

Now you cache for each relative path a different version of the template.

However, it is not a good idea to add this context to all templates. Only add it to those templates you intend to use the variable, otherwise you fill up your cache with a lot of useless variations:

function mytheme_preprocess(&$variables, $hook) 
 if (in_array($hook, ['foo', 'bar'])) 
 $variables['#cache']['contexts'][] = 'url.path';
 // add variables depending on the relative url
 

share|improve this answer

edited 10 hours ago

answered 11 hours ago

4k44k4

59k55 gold badges7474 silver badges120120 bronze badges

$variables['#cache']['contexts'][] = 'url.path';

function mytheme_preprocess(&$variables, $hook) 
 if (in_array($hook, ['foo', 'bar'])) 
 $variables['#cache']['contexts'][] = 'url.path';
 // add variables depending on the relative url
 

share|improve this answer

edited 10 hours ago

answered 11 hours ago

4k44k4

59k55 gold badges7474 silver badges120120 bronze badges

answered 11 hours ago

4k44k4

59k55 gold badges7474 silver badges120120 bronze badges

answered 11 hours ago

4k44k4

59k55 gold badges7474 silver badges120120 bronze badges