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Mountains (v3.2.1) edition

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

--- Original
+++ New
 <?php
-$a = function () use ($b)
+$a = static function () use ($b)
 {   echo $b;
 };
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