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I got error "Class Example cannot extend from trait Restserver\Libraries\REST_Controller" · Issue #1002 · chriskacerguis/ codeigniter-restserver · GitHub
Only variables should be passed by reference /system/codeigniter/Common.php · Issue #5224 · bcit-ci/CodeIgniter · GitHub
Only variables should be passed by reference /system/codeigniter/Common.php · Issue #5224 · bcit-ci/CodeIgniter · GitHub
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PHP: Only variables should be passed by reference - PHP Error - Mazz i Torch - The latest global technology multi-platform entertainment media
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
Only variables should be passed by reference /system/codeigniter/Common.php · Issue #5224 · bcit-ci/CodeIgniter · GitHub
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User authentication with Community Auth in CodeIgniter 3 - A role based permission approach | Raven Developers®
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