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![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
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![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
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