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Rule set ``@PHP74Migration:risky``
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Rules to improve code for PHP 7.1 compatibility. This set contains rules that are risky.

Rules
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- `@PHP71Migration:risky <./PHP71MigrationRisky.rst>`_
- `implode_call <./../rules/function_notation/implode_call.rst>`_
- `no_alias_functions <./../rules/alias/no_alias_functions.rst>`_
- `use_arrow_functions <./../rules/function_notation/use_arrow_functions.rst>`_