It is generally recommended to explicitly declare the visibility for methods

[dimaxz]

see https://scrutinizer-ci.com/g/dimaxz/code-example/issues/master/files/examples/example2/Controller/User.php?selectedLabels%5B0%5D=18&selectedLabels%5B1%5D=9&orderField=path&order=asc&fileId=examples%2Fexample2%2FController%2FUser.php&honorSelectedPaths=0#inspectioncomment-21586868