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- ======================
- Rule ``static_lambda``
- ======================
- Lambdas not (indirect) referencing ``$this`` must be declared ``static``.
- .. warning:: Using this rule is risky.
- Risky when using ``->bindTo`` on lambdas without referencing to ``$this``.
- Examples
- --------
- Example #1
- ~~~~~~~~~~
- .. code-block:: diff
- --- Original
- +++ New
- <?php
- -$a = function () use ($b)
- +$a = static function () use ($b)
- { echo $b;
- };
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