Static pages — CodeIgniter 4.1.7 documentation
Only Variable References Should Be Returned By Reference - Design Corral
Only variables should be passed by reference /system/codeigniter/Common.php · Issue #5224 · bcit-ci/CodeIgniter · GitHub
A PHP Error was encountered Severity: Notice Message: Only variable references should be returned by reference Filename: core/Common.php Line Number: 257 · Issue #300 · daylightstudio/FUEL-CMS · GitHub
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PHP- PDO Only variables should be passed by reference - Stack Overflow
I got error "Class Example cannot extend from trait Restserver\Libraries\REST_Controller" · Issue #1002 · chriskacerguis/ codeigniter-restserver · GitHub
Only variables should be assigned by reference · Issue #1650 · bcit-ci/ CodeIgniter · GitHub
Only Variable References Should Be Returned By Reference - Design Corral
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