Code reference information | PhpStorm
How to Use Entity Reference Views in Drupal 8
Double Reference | Drupal.org
![Strict warning: Only variables should be passed by reference [#2892182] | Drupal.org](https://www.drupal.org/files/issues/drupal_8.jpg "Strict warning: Only variables should be passed by reference [#2892182] | Drupal.org")
Strict warning: Only variables should be passed by reference [#2892182] | Drupal.org
![Strict warning: Only variables should be passed by reference [#2149287] | Drupal.org](https://www.drupal.org/files/styles/drupalorg_user_picture/public/user-pictures/picture-1089344-1580143736.jpg?itok=VY-J3KE9 "Strict warning: Only variables should be passed by reference [#2149287] | Drupal.org")
Strict warning: Only variables should be passed by reference [#2149287] | Drupal.org
Using React library on Drupal | Appnovation
Drupal 8 core and Symfony components | ADCI Solutions
![Notice: Only variables should be passed by reference [#2936867] | Drupal.org](https://www.drupal.org/files/styles/drupalorg_user_picture/public/user-pictures/picture-3425247-1601130058.jpg?itok=dSx36L6E "Notice: Only variables should be passed by reference [#2936867] | Drupal.org")
Notice: Only variables should be passed by reference [#2936867] | Drupal.org
The List of the 10 Most Common Mistakes That PHP Developers Make | Toptal
![Fix PHP Strict warning: Only variables should be passed by reference. [#2272607] | Drupal.org](https://www.drupal.org/files/issues/Screenshot%20from%202014-05-22%2020:04:09.png "Fix PHP Strict warning: Only variables should be passed by reference. [#2272607] | Drupal.org")
Fix PHP Strict warning: Only variables should be passed by reference. [#2272607] | Drupal.org
Drupal 8 Theming Fundamentals, Part 2 | Lullabot
Drupal 8 & SimpleSAMLPHP Library – TA Digital Labs
![Variables placed in email body not being replaced with actual value [#3056302] | Drupal.org](https://www.drupal.org/files/issues/2019-05-22/email_received.png "Variables placed in email body not being replaced with actual value [#3056302] | Drupal.org")
Variables placed in email body not being replaced with actual value [#3056302] | Drupal.org
![Only variables should be passed by reference [#1614450] | Drupal.org](https://www.drupal.org/files/Screen%20shot%202012-06-02%20at%204.39.45%20PM.png "Only variables should be passed by reference [#1614450] | Drupal.org")
Only variables should be passed by reference [#1614450] | Drupal.org
Varnish for Drupal 8 | Dropsolid.io
Getting Started with Drupal 8 Migrations | Aten Design Group
![Strict warning: Only variables should be passed by reference [#2892182] | Drupal.org](https://www.drupal.org/files/issues/display2.PNG "Strict warning: Only variables should be passed by reference [#2892182] | Drupal.org")
Strict warning: Only variables should be passed by reference [#2892182] | Drupal.org
![The reference view cannot be found' message is shown when the view exists and can be configured normally [#3062155] | Drupal.org](https://www.drupal.org/files/issues/2019-06-16/Node%20Group%20entity%20reference%20view%202019-06-16_19-10-25_0.png "The reference view cannot be found' message is shown when the view exists and can be configured normally [#3062155] | Drupal.org")
The reference view cannot be found' message is shown when the view exists and can be configured normally [#3062155] | Drupal.org
![Only variables should be passed by reference [#1329200] | Drupal.org](https://www.drupal.org/files/submenutree_error.jpg "Only variables should be passed by reference [#1329200] | Drupal.org")
Only variables should be passed by reference [#1329200] | Drupal.org
![Strict warning: Only variables should be passed by reference in eval() [#2064265] | Drupal.org](https://www.drupal.org/files/Selection_099_0.png "Strict warning: Only variables should be passed by reference in eval() [#2064265] | Drupal.org")
Strict warning: Only variables should be passed by reference in eval() [#2064265] | Drupal.org
![The reference view cannot be found' message is shown when the view exists and can be configured normally [#3062155] | Drupal.org](https://www.drupal.org/files/issues/2019-06-16/node_group_reference%20cannot%20be%20found%202019-06-16_19-17-12.png "The reference view cannot be found' message is shown when the view exists and can be configured normally [#3062155] | Drupal.org")
The reference view cannot be found' message is shown when the view exists and can be configured normally [#3062155] | Drupal.org
Setting and Clearing Custom Cache Tags in Drupal 8 | Pantheon Docs
![Strict warning: Only variables should be passed by reference [#2892182] | Drupal.org](https://www.drupal.org/files/issues/display1.PNG "Strict warning: Only variables should be passed by reference [#2892182] | Drupal.org")