modifyHeader($node, 'remove'); case 'clearAllHeaders': return $this->modifyHeader($node, 'replace'); case 'clearRawHeaders': return $this->modifyHeader($node, 'replace'); case '...': return 5; } } } CODE_SAMPLE , <<<'CODE_SAMPLE' class SomeClass { public function run() { switch ($name) { case 'clearHeader': return $this->modifyHeader($node, 'remove'); case 'clearAllHeaders': case 'clearRawHeaders': return $this->modifyHeader($node, 'replace'); case '...': return 5; } } } CODE_SAMPLE )]); } /** * @return array> */ public function getNodeTypes() : array { return [Switch_::class]; } /** * @param Switch_ $node */ public function refactor(Node $node) : ?Node { if (\count($node->cases) < 2) { return null; } /** @var Case_|null $previousCase */ $previousCase = null; $hasChanged = \false; foreach ($node->cases as $case) { if ($previousCase instanceof Case_ && $this->areSwitchStmtsEqualsAndWithBreak($case, $previousCase)) { $previousCase->stmts = []; $hasChanged = \true; } $previousCase = $case; } if (!$hasChanged) { return null; } return $node; } private function areSwitchStmtsEqualsAndWithBreak(Case_ $currentCase, Case_ $previousCase) : bool { if (!$this->nodeComparator->areNodesEqual($currentCase->stmts, $previousCase->stmts)) { return \false; } foreach ($currentCase->stmts as $stmt) { if ($stmt instanceof Break_) { return \true; } if ($stmt instanceof Return_) { return \true; } } return \false; } }