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<?php declare (strict_types=1); namespace Rector\Php53\Rector\Ternary; use PhpParser\Node; use PhpParser\Node\Expr\Ternary; use Rector\NodeTypeResolver\Node\AttributeKey; use Rector\Rector\AbstractRector; use Rector\ValueObject\PhpVersionFeature; use Rector\VersionBonding\Contract\MinPhpVersionInterface; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @see \Rector\Tests\Php53\Rector\Ternary\TernaryToElvisRector\TernaryToElvisRectorTest */ final class TernaryToElvisRector extends AbstractRector implements MinPhpVersionInterface { public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Use ?: instead of ?, where useful', [new CodeSample(<<<'CODE_SAMPLE' function elvis() { $value = $a ? $a : false; } CODE_SAMPLE , <<<'CODE_SAMPLE' function elvis() { $value = $a ?: false; } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [Ternary::class]; } /** * @param Ternary $node */ public function refactor(Node $node) : ?Node { if (!$this->nodeComparator->areNodesEqual($node->cond, $node->if)) { return null; } $node->setAttribute(AttributeKey::ORIGINAL_NODE, null); $node->if = null; return $node; } public function provideMinPhpVersion() : int { return PhpVersionFeature::ELVIS_OPERATOR; } }
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