![Only variables should be passed by reference [#2973834] | Drupal.org](https://www.drupal.org/files/styles/drupalorg_user_picture/public/user-pictures/picture-1940068-1486167151.jpg?itok=2tls12W3 "Only variables should be passed by reference [#2973834] | Drupal.org")
Only variables should be passed by reference [#2973834] | Drupal.org
Reference field option limit | Drupal.org
Drupal 8 & SimpleSAMLPHP Library – TA Digital Labs
How to Use Entity Reference Views in Drupal 8
![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 core and Symfony components | ADCI Solutions
Configuring Gitlab to run Drupal Test Traits for your Drupal 8 site | Axelerant
Using React library on Drupal | Appnovation
PHP: Only variables should be passed by reference - PHP Error - Mazz i Torch - The latest global technology multi-platform entertainment media
Varnish for Drupal 8 | Dropsolid.io
Drupal 8 Services, Dependency Injection, and Decoupling Your Code | FFW
Drupal migrations reference: List of configuration options for source plugins | Understand Drupal
Drupal 8 Theming Fundamentals, Part 2 | Lullabot
![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
![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
Code reference information | PhpStorm
End to End Testing With Drupal and Cypress - Blog - Sevaa Group
![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
![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
PHP7: "Notice: Only variables should be passed by reference" - WPML
How To Install Drupal with Docker Compose | DigitalOcean
![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
![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")