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<?php declare (strict_types=1); namespace Rector\DeadCode\Rector\Ternary; use PhpParser\Node; use PhpParser\Node\Expr\BinaryOp\BooleanAnd; use PhpParser\Node\Expr\Ternary; use PHPStan\Type\BooleanType; use Rector\Core\Rector\AbstractRector; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @see \Rector\Tests\DeadCode\Rector\Ternary\TernaryToBooleanOrFalseToBooleanAndRector\TernaryToBooleanOrFalseToBooleanAndRectorTest */ final class TernaryToBooleanOrFalseToBooleanAndRector extends AbstractRector { public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Change ternary of bool : false to && bool', [new CodeSample(<<<'CODE_SAMPLE' class SomeClass { public function go() { return $value ? $this->getBool() : false; } private function getBool(): bool { return (bool) 5; } } CODE_SAMPLE , <<<'CODE_SAMPLE' class SomeClass { public function go() { return $value && $this->getBool(); } private function getBool(): bool { return (bool) 5; } } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [Ternary::class]; } /** * @param Ternary $node */ public function refactor(Node $node) : ?Node { if ($node->if === null) { return null; } if (!$this->valueResolver->isFalse($node->else)) { return null; } if ($this->valueResolver->isTrue($node->if)) { return null; } $ifType = $this->getType($node->if); if (!$ifType instanceof BooleanType) { return null; } return new BooleanAnd($node->cond, $node->if); } }
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