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<?php declare (strict_types=1); namespace Rector\Restoration\Rector\ClassConstFetch; use PhpParser\Node; use PhpParser\Node\Expr\ClassConstFetch; use PhpParser\Node\Scalar\String_; use PHPStan\Reflection\ReflectionProvider; use Rector\Core\Rector\AbstractRector; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @see \Rector\Tests\Restoration\Rector\ClassConstFetch\MissingClassConstantReferenceToStringRector\MissingClassConstantReferenceToStringRectorTest */ final class MissingClassConstantReferenceToStringRector extends AbstractRector { /** * @readonly * @var \PHPStan\Reflection\ReflectionProvider */ private $reflectionProvider; public function __construct(ReflectionProvider $reflectionProvider) { $this->reflectionProvider = $reflectionProvider; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Convert missing class reference to string', [new CodeSample(<<<'CODE_SAMPLE' class SomeClass { public function run() { return NonExistingClass::class; } } CODE_SAMPLE , <<<'CODE_SAMPLE' class SomeClass { public function run() { return 'NonExistingClass'; } } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [ClassConstFetch::class]; } /** * @param ClassConstFetch $node */ public function refactor(Node $node) : ?Node { if (!$this->isName($node->name, 'class')) { return null; } $referencedClass = $this->getName($node->class); if ($referencedClass === null) { return null; } if ($this->reflectionProvider->hasClass($referencedClass)) { return null; } return new String_($referencedClass); } }
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