?????????? ????????? - ??????????????? - /opt/cpanel/ea-wappspector/vendor/rector/rector/rules/DeadCode/Rector/If_/SimplifyIfElseWithSameContentRector.php
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<?php declare (strict_types=1); namespace Rector\DeadCode\Rector\If_; use PhpParser\Node; use PhpParser\Node\Stmt; use PhpParser\Node\Stmt\Else_; use PhpParser\Node\Stmt\If_; use Rector\Exception\ShouldNotHappenException; use Rector\PhpParser\Printer\BetterStandardPrinter; use Rector\Rector\AbstractRector; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @see \Rector\Tests\DeadCode\Rector\If_\SimplifyIfElseWithSameContentRector\SimplifyIfElseWithSameContentRectorTest */ final class SimplifyIfElseWithSameContentRector extends AbstractRector { /** * @readonly * @var \Rector\PhpParser\Printer\BetterStandardPrinter */ private $betterStandardPrinter; public function __construct(BetterStandardPrinter $betterStandardPrinter) { $this->betterStandardPrinter = $betterStandardPrinter; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Remove if/else if they have same content', [new CodeSample(<<<'CODE_SAMPLE' class SomeClass { public function run() { if (true) { return 1; } else { return 1; } } } CODE_SAMPLE , <<<'CODE_SAMPLE' class SomeClass { public function run() { return 1; } } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [If_::class]; } /** * @param If_ $node * @return Stmt[]|null */ public function refactor(Node $node) : ?array { if (!$node->else instanceof Else_) { return null; } if (!$this->isIfWithConstantReturns($node)) { return null; } return $node->stmts; } private function isIfWithConstantReturns(If_ $if) : bool { $possibleContents = []; $possibleContents[] = $this->betterStandardPrinter->print($if->stmts); foreach ($if->elseifs as $elseif) { $possibleContents[] = $this->betterStandardPrinter->print($elseif->stmts); } $else = $if->else; if (!$else instanceof Else_) { throw new ShouldNotHappenException(); } $possibleContents[] = $this->betterStandardPrinter->print($else->stmts); $uniqueContents = \array_unique($possibleContents); // only one content for all return \count($uniqueContents) === 1; } }
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