Message: Return type of CI_Session_files_driver::open($save_path, $name)
Message: Return type of CI_Session_files_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
#[\ReturnTypeWillChange]
system/libraries/Session/drivers/Session_files_driver.php
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#[\ReturnTypeWillChange]